Latest / USA Daily News / iPhone 18 Pro Max TEARDOWN: Apple’s Hidden Hardware Changes Finally Revealed!

Transcript

iPhone 18 Pro Max TEARDOWN: Apple’s Hidden Hardware Changes Finally Revealed! · USA Daily News

• 0:00
  Speaker 1: For consumers, the iPhone 18 Pro Max is presented primarily
• 0:04
  Speaker 1: as a finished product, a large premium smartphone with a
• 0:08
  Speaker 1: new processor, advanced cameras, longer battery life, improved connectivity, and
• 0:14
  Speaker 1: a familiar but refined exterior. A teardown changes that perspective completely.
• 0:20
  Speaker 1: Instead of looking at the phone from the outside, it
• 0:23
  Speaker 1: exposes the physical architecture that makes those advertised features possible.
• 0:28
  Speaker 1: revealing how Apple has arranged its most important components and
• 0:33
  Speaker 1: how the company has balanced performance. Battery capacity, cooling, cameras,
• 0:39
  Speaker 1: wireless connectivity, and space inside an extremely compact enclosure. The
• 0:44
  Speaker 1: latest teardowns by iFixit and TechInsights provide an early look
• 0:49
  Speaker 1: at that internal strategy, identifying the A20 Pro processor, LPDDR5X memory,
• 0:56
  Speaker 1: NAND storage, wireless and cellular components, power management hardware, and
• 1:02
  Speaker 1: a redesigned thermal system. Tech Insights has also identified Qualcomm's
• 1:07
  Speaker 1: Snapdragon X80 modem and Apple's N1 wireless module in the
• 1:12
  Speaker 1: analyzed Pro Max model, while noting that deeper reverse engineering
• 1:16
  Speaker 1: is still underway. That matters because modern smartphones are no
• 1:21
  Speaker 1: longer simply collections of individual chips placed inside a shell.
• 1:25
  Speaker 1: They're highly integrated systems in which the position of one
• 1:28
  Speaker 1: component can affect the performance, temperature, battery efficiency, repairability, and
• 1:35
  Speaker 1: even manufacturing process of another. The teardown shows that Apple
• 1:39
  Speaker 1: has changed some of those relationships in the iPhone 18
• 1:42
  Speaker 1: Pro Max. One of the most important findings is the
• 1:46
  Speaker 1: revised logic board arrangement around the A20 Pro. iFixit reports
• 1:51
  Speaker 1: that the processor has moved to the outside of the
• 1:53
  Speaker 1: board sandwich, while memory is positioned beside the processor rather
• 1:57
  Speaker 1: than directly above it as in the previous generation. That
• 2:01
  Speaker 1: change creates a more direct thermal path between the processor
• 2:05
  Speaker 1: and the cooling assembly, highlighting just how closely Apple is
• 2:09
  Speaker 1: now tying chip packaging to thermal management. Rather than treating
• 2:13
  Speaker 1: cooling as a secondary engineering problem, the internal layout suggests
• 2:18
  Speaker 1: that heat removal has become part of the fundamental architecture
• 2:22
  Speaker 1: of the phone. the significance becomes clearer when the role
• 2:25
  Speaker 1: of the processor is considered. Apple's Pro Series chips are
• 2:29
  Speaker 1: responsible for far more than opening applications or making the
• 2:33
  Speaker 1: interface feel responsive. They drive graphics workloads, computational photography, video processing,
• 2:40
  Speaker 1: machine learning functions, communications management, and other demanding operations that
• 2:46
  Speaker 1: can produce substantial heat when sustained over time. The A20
• 2:50
  Speaker 1: Pro sits at the center of that system, and the
• 2:53
  Speaker 1: teardown gives a physical demonstration of how Apple is attempting
• 2:57
  Speaker 1: to accommodate its demands. Around the processor are power management
• 3:01
  Speaker 1: components that regulate different electrical domains, while the processor itself
• 3:06
  Speaker 1: is positioned next to a much larger vapor chamber. iFixit
• 3:10
  Speaker 1: found a thermal interface material between the chip and cooling
• 3:14
  Speaker 1: assembly designed to improve contact and help transfer heat consistently
• 3:18
  Speaker 1: away from the processor. The engineering objective is straightforward. Move
• 3:23
  Speaker 1: heat away from the hottest part of the phone as
• 3:25
  Speaker 1: efficiently as possible so that the processor can maintain higher
• 3:29
  Speaker 1: performance for longer periods. The battery is another major part
• 3:33
  Speaker 1: of the story. The iPhone 18 Pro Max teardown revealed
• 3:37
  Speaker 1: a 5,567 mAh battery in the North American eSIM-only configuration,
• 3:40
  Speaker 1: compared with 5,088 mAh in the previous Pro Max. According
• 3:50
  Speaker 1: to reporting based on iFixit's examination, European versions have different
• 3:55
  Speaker 1: battery capacities, illustrating how regional hardware requirements can affect internal design.
• 4:02
  Speaker 1: The larger battery is important not simply because it adds
• 4:05
  Speaker 1: more stored energy, but because it shows Apple allocating a
• 4:09
  Speaker 1: significant amount of internal volume to endurance while simultaneously adding
• 4:14
  Speaker 1: or expanding other systems. A smartphone manufacturer has only a
• 4:18
  Speaker 1: limited amount of space to work with, so increasing battery
• 4:22
  Speaker 1: capacity requires careful rearrangement of boards, cameras, thermal hardware. structural supports,
• 4:29
  Speaker 1: and connectors. The teardown, therefore, turns a battery life claim
• 4:33
  Speaker 1: into a physical engineering story. More endurance requires Apple to
• 4:37
  Speaker 1: find additional room without making the device impractically large or
• 4:41
  Speaker 1: compromising other components. The camera assembly provides another example of
• 4:46
  Speaker 1: how much engineering is hidden behind the glass and metal exterior.
• 4:50
  Speaker 1: iFixit highlighted the new variable aperture mechanism in the main camera,
• 4:55
  Speaker 1: describing an intricate arrangement containing moving parts. Variable aperture requires
• 5:01
  Speaker 1: the optical system to physically adjust how much light enters
• 5:05
  Speaker 1: the lens, meaning the camera module has become mechanically more
• 5:09
  Speaker 1: complex than a fixed aperture design. At the center of
• 5:12
  Speaker 1: the iPhone 18 Pro Max sits the component that determines
• 5:16
  Speaker 1: much of the device's computing capability, Apple's A20 Pro application processor.
• 5:22
  Speaker 1: But the significance of the teardown is not simply that
• 5:25
  Speaker 1: the new chip exists. What matters is how Apple has
• 5:28
  Speaker 1: physically integrated that processor with memory, power management hardware, and
• 5:34
  Speaker 1: the rest of the logic board. A conventional product specification
• 5:38
  Speaker 1: can tell users the name of a processor, but it
• 5:41
  Speaker 1: does not show the engineering decisions that determine how efficiently
• 5:44
  Speaker 1: that processor can operate inside an enclosed smartphone. The teardown
• 5:49
  Speaker 1: provides that missing physical perspective, revealing a revised board arrangement
• 5:53
  Speaker 1: in which the A20 Pro is positioned on the outside
• 5:56
  Speaker 1: of the logic board sandwich, while LPDDR5X memory sits beside
• 6:02
  Speaker 1: the processor. That change creates a different relationship between the
• 6:06
  Speaker 1: main computing engine and the thermal system surrounding it, and
• 6:09
  Speaker 1: it suggests that Apple is treating processor packaging, memory placement,
• 6:14
  Speaker 1: and cooling as interconnected elements rather than separate design problems.
• 6:19
  Speaker 1: The logic board itself is one of the most space-constrained
• 6:22
  Speaker 1: parts of any modern smartphone. It must accommodate the application processor, memory, storage,
• 6:30
  Speaker 1: power management circuits, wireless connectivity, display interfaces, audio systems, cameras, sensors,
• 6:38
  Speaker 1: and countless smaller supporting components, while still fitting inside a
• 6:43
  Speaker 1: chassis that consumers expect to remain relatively compact. Engineers, therefore,
• 6:48
  Speaker 1: cannot simply place every component wherever it would be easiest
• 6:52
  Speaker 1: to service. Every location has consequences. Moving one chip may
• 6:57
  Speaker 1: require relocating another. Changing the orientation of the processor can
• 7:02
  Speaker 1: alter the path through which heat travels. Moving memory can
• 7:05
  Speaker 1: create additional physical room in one area while consuming it
• 7:09
  Speaker 1: somewhere else. The iPhone 18 Pro Max teardown demonstrates that
• 7:14
  Speaker 1: Apple has redesigned this internal puzzle around the demands of
• 7:17
  Speaker 1: its newer silicon, with the A20 Pro placed so that
• 7:21
  Speaker 1: heat can move more directly toward the phone's cooling hardware.
• 7:25
  Speaker 1: iFixit specifically notes that the memory now sits beside the processor,
• 7:29
  Speaker 1: clearing a more direct route between the hot chip and
• 7:32
  Speaker 1: the cooling system. That arrangement represents a meaningful shift in
• 7:37
  Speaker 1: the way Apple is packaging its high-performance silicon. In the
• 7:41
  Speaker 1: previous generation, iFixit observed that the A19 Pro was positioned
• 7:46
  Speaker 1: inside the board structure with RAM stacked above it. In
• 7:49
  Speaker 1: the new configuration, The A20 Pro is exposed on the
• 7:53
  Speaker 1: outside of the board sandwich, while its memory is no
• 7:57
  Speaker 1: longer sitting directly on top of the processor. The practical
• 8:01
  Speaker 1: benefit is not necessarily something that consumers can see when
• 8:04
  Speaker 1: using the phone, but it may become noticeable during sustained workloads.
• 8:09
  Speaker 1: A processor can deliver very high peak performance for a
• 8:12
  Speaker 1: short period, but maintaining that performance requires managing the heat
• 8:17
  Speaker 1: generated while the chip is operating. When temperatures rise, Mobile
• 8:21
  Speaker 1: processors can reduce operating speeds to protect the hardware and
• 8:25
  Speaker 1: control energy consumption. A layout that gives heat a clearer
• 8:29
  Speaker 1: route out of the processor, therefore, has the potential to
• 8:32
  Speaker 1: support more consistent performance during activities that place heavy demands
• 8:36
  Speaker 1: on the system. The importance of memory placement becomes even
• 8:40
  Speaker 1: clearer when considering how modern processors operate. The A20 Pro
• 8:45
  Speaker 1: does not work independently. It constantly exchanges information with system
• 8:50
  Speaker 1: memory moving data between computational tasks, applications, graphics operations, image processing,
• 8:58
  Speaker 1: and other functions. TechInsights identifies the processor as being paired
• 9:03
  Speaker 1: with LPDR5X memory and 256GB of NAND flash in the
• 9:09
  Speaker 1: analyzed device. The exact memory package and supplier details remain
• 9:14
  Speaker 1: part of the deeper reverse engineering process. But the preliminary
• 9:18
  Speaker 1: identification already shows that Apple is combining its own application
• 9:23
  Speaker 1: processor architecture with a high-speed memory subsystem designed to support
• 9:28
  Speaker 1: demanding mobile workloads. Memory technology is particularly important because processors
• 9:34
  Speaker 1: can only work efficiently when data can reach them quickly enough.
• 9:38
  Speaker 1: A powerful processor paired with an inefficient memory system can
• 9:42
  Speaker 1: create bottlenecks, while faster memory can help keep computational resources
• 9:47
  Speaker 1: supplied with the information they need. There is also a
• 9:50
  Speaker 1: less visible but essential layer surrounding the A20 Pro, power management.
• 9:55
  Speaker 1: The processor and memory cannot simply receive a single unrestricted
• 9:59
  Speaker 1: electrical supply different parts of the system require carefully controlled
• 10:04
  Speaker 1: voltages and power states and those demands change depending on
• 10:08
  Speaker 1: what the phone is doing Tech Insights identified power management
• 10:12
  Speaker 1: ICs from STMicroelectronics and Texas Instruments around the main processor architecture.
• 10:18
  Speaker 1: These components regulate and distribute power to different domains, helping
• 10:23
  Speaker 1: the phone balance performance with energy efficiency. One of the
• 10:27
  Speaker 1: clearest messages emerging from the iPhone 18 Pro Max teardown
• 10:32
  Speaker 1: is that Apple has placed significantly greater emphasis on thermal management.
• 10:37
  Speaker 1: The reason is straightforward. As smartphone processors become more capable,
• 10:42
  Speaker 1: the amount of heat generated during demanding workloads becomes an
• 10:45
  Speaker 1: increasingly important engineering constraint. The A20 Pro is designed to
• 10:50
  Speaker 1: handle intensive computing tasks involving graphics, photography, video processing, artificial intelligence,
• 10:58
  Speaker 1: and other demanding applications, but raw processing capability is only
• 11:03
  Speaker 1: useful if the device can keep the resulting heat under control.
• 11:07
  Speaker 1: The teardown reveals that Apple has responded with a dramatically
• 11:10
  Speaker 1: expanded cooling system centered around a vapor chamber whose surface
• 11:15
  Speaker 1: area is approximately three times larger than the previous design,
• 11:19
  Speaker 1: according to iFixit. The company's approach turns the thermal system
• 11:24
  Speaker 1: into one of the most significant pieces of the phone's
• 11:26
  Speaker 1: internal architecture rather than an invisible supporting feature. The basic
• 11:31
  Speaker 1: challenge facing Apple is familiar across the semiconductor industry. Every
• 11:36
  Speaker 1: time electrical energy is consumed by a processor, part of
• 11:40
  Speaker 1: that energy is converted into heat. A smartphone cannot rely
• 11:44
  Speaker 1: on the large fans, heat sinks, and airflow systems found
• 11:48
  Speaker 1: inside desktop computers because the handset has almost no room
• 11:52
  Speaker 1: for active cooling equipment. There is no practical space for
• 11:56
  Speaker 1: a conventional fan assembly, and users are not going to
• 11:59
  Speaker 1: tolerate a thick computer-like cooling system inside a pocket-sized device. Instead,
• 12:05
  Speaker 1: Smartphone engineers must move heat using passive methods that occupy
• 12:09
  Speaker 1: minimal space. Apple's vapor chamber is designed for exactly that purpose.
• 12:15
  Speaker 1: By spreading thermal energy across a much larger area, it
• 12:18
  Speaker 1: allows heat to move away from the A20 Pro and
• 12:21
  Speaker 1: into other portions of the chassis, where it can gradually dissipate.
• 12:26
  Speaker 1: The result is not that the phone becomes completely cool
• 12:29
  Speaker 1: under every condition, but that heat is distributed more effectively
• 12:33
  Speaker 1: instead of remaining concentrated around the processor. The teardown makes
• 12:37
  Speaker 1: that process visible. iFixit found the A20 Pro positioned directly
• 12:42
  Speaker 1: against the new cooling assembly with a conformable thermal interface
• 12:45
  Speaker 1: material between the processor and the vapor chamber. That interface
• 12:50
  Speaker 1: material serves an important purpose because the surfaces of chips
• 12:54
  Speaker 1: and cooling components are not perfectly flat at microscopic levels.
• 12:59
  Speaker 1: Tiny gaps can reduce the efficiency of thermal transfer, so
• 13:03
  Speaker 1: the soft material fills those irregularities and creates a more
• 13:06
  Speaker 1: consistent path for heat to travel away from the processor.
• 13:10
  Speaker 1: Once the energy reaches the vapor chamber, the chamber spreads
• 13:14
  Speaker 1: the heat over a much wider area. Inside the sealed structure,
• 13:19
  Speaker 1: A working fluid changes between liquid and vapor as it
• 13:22
  Speaker 1: absorbs and releases thermal energy, allowing heat to be transported
• 13:27
  Speaker 1: from hotter regions toward cooler areas. A wick structure then
• 13:31
  Speaker 1: returns the condensed fluid toward the hotter section through capillary action,
• 13:36
  Speaker 1: allowing the process to repeat continuously. That mechanism may sound
• 13:40
  Speaker 1: relatively simple, but implementing it inside a smartphone requires extremely
• 13:45
  Speaker 1: careful engineering. The vapor chamber has to fit within the
• 13:49
  Speaker 1: existing internal geometry while avoiding interference with the battery, cameras, speakers, antennas, buttons,
• 13:57
  Speaker 1: display assembly, and logic board. Expanding the cooling surface to
• 14:02
  Speaker 1: roughly three times the previous area, therefore, means Apple has
• 14:06
  Speaker 1: had to reconsider how internal space is allocated throughout the phone.
• 14:10
  Speaker 1: iFixit says the new chamber extends across much of the
• 14:14
  Speaker 1: device's body. showing how extensively thermal management has become integrated
• 14:19
  Speaker 1: into the physical design. The cooling hardware is not confined
• 14:23
  Speaker 1: to a small region immediately around the processor. Instead, the
• 14:27
  Speaker 1: system uses a much larger portion of the phone's internal
• 14:31
  Speaker 1: footprint to spread thermal energy. The timing of that change
• 14:35
  Speaker 1: is important. Apple is pushing smartphone processors into workloads that
• 14:39
  Speaker 1: can remain computationally demanding for longer periods. A short burst
• 14:44
  Speaker 1: of high performance is easier to manage thermally because the
• 14:48
  Speaker 1: phone has time to absorb and redistribute the heat. Sustained
• 14:52
  Speaker 1: workloads are different. Long gaming sessions, extended high-resolution video recording,
• 14:58
  Speaker 1: intensive image processing, large file operations, and repeated artificial intelligence
• 15:04
  Speaker 1: tasks can keep the processor active for extended periods. In
• 15:08
  Speaker 1: those situations, the thermal system can become one of the
• 15:12
  Speaker 1: main factors determining actual performance. If heat accumulates faster than
• 15:17
  Speaker 1: it can be removed, the processor may eventually have to
• 15:21
  Speaker 1: reduce its operating intensity. This type of thermal throttling is
• 15:25
  Speaker 1: a fundamental engineering response rather than a defect. Reducing performance
• 15:30
  Speaker 1: can prevent temperatures from reaching levels that could damage components
• 15:33
  Speaker 1: or create unacceptable power consumption. Apple's larger vapor chamber is
• 15:39
  Speaker 1: therefore significant because it aims to delay that point by
• 15:42
  Speaker 1: moving heat more efficiently. With the processor and cooling architecture
• 15:47
  Speaker 1: taking up so much attention inside the iPhone 18 Pro Max,
• 15:51
  Speaker 1: the battery provides another important clue about how Apple has
• 15:54
  Speaker 1: allocated the limited space inside its flagship. A teardown gives
• 15:59
  Speaker 1: a more concrete picture than a marketing claim about improved
• 16:02
  Speaker 1: endurance because it reveals the physical capacity of the cell,
• 16:06
  Speaker 1: and the way Apple has mounted it inside the chassis.
• 16:09
  Speaker 1: In the North American eSIM-only iPhone 18 Pro Max examined
• 16:13
  Speaker 1: by iFixit, the battery is labeled at 21.751 Wh, equivalent
• 16:17
  Speaker 1: to 5,567 mAh. That represents a substantial increase over the 5,088
• 16:18
  Speaker 1: mAh battery found in the previous generation Pro Max configuration,
• 16:22
  Speaker 1: although other regional models use smaller cells. European versions of
• 16:38
  Speaker 1: the iPhone 18 Pro Max have been identified with a 5,391
• 16:43
  Speaker 1: mAh battery, illustrating how regional hardware differences can directly affect
• 16:49
  Speaker 1: the amount of battery capacity Apple can fit inside otherwise
• 16:53
  Speaker 1: similar devices. The larger battery is significant because smartphone manufacturers
• 16:58
  Speaker 1: are constantly balancing three competing demands, more computing power, greater
• 17:04
  Speaker 1: energy efficiency, and longer operating time. Increasing processor capability can
• 17:10
  Speaker 1: increase the amount of work a phone performs, but that
• 17:13
  Speaker 1: additional capability has to be supported by an adequate power supply.
• 17:17
  Speaker 1: At the same time, Apple has been introducing components designed
• 17:21
  Speaker 1: to reduce energy consumption and improve efficiency, meaning battery capacity
• 17:27
  Speaker 1: cannot be viewed in isolation. The A20 Pro, the display,
• 17:31
  Speaker 1: wireless systems, camera hardware, storage, and background software all contribute
• 17:37
  Speaker 1: to how quickly the battery is consumed. A larger cell
• 17:41
  Speaker 1: provides Apple with additional energy reserves. while improvements elsewhere can
• 17:46
  Speaker 1: determine how effectively those reserves translate into hours of real-world use.
• 17:51
  Speaker 1: The teardown, therefore, reveals not just a bigger battery, but
• 17:55
  Speaker 1: a broader strategy in which Apple is combining additional physical
• 17:59
  Speaker 1: capacity with changes to the rest of the device. The
• 18:02
  Speaker 1: increase becomes especially interesting when placed alongside the redesigned thermal system.
• 18:08
  Speaker 1: The iPhone 18 Pro Max contains a vapor chamber that
• 18:12
  Speaker 1: iFixit describes as having approximately three times the surface area
• 18:16
  Speaker 1: of the previous design. That cooling system requires internal space,
• 18:21
  Speaker 1: just as the larger battery does. Apple therefore had to
• 18:25
  Speaker 1: fit two substantial engineering priorities into the same compact enclosure,
• 18:30
  Speaker 1: additional energy storage, and considerably more thermal hardware. This illustrates
• 18:35
  Speaker 1: one of the central challenges of flagship smartphone engineering. There
• 18:40
  Speaker 1: is no empty internal volume waiting to be used. Every
• 18:44
  Speaker 1: expansion has consequences. A larger battery needs room. A larger
• 18:49
  Speaker 1: cooling system needs room. More complex camera hardware needs room.
• 18:54
  Speaker 1: Additional wireless components and structural elements also need room. Apple's
• 18:59
  Speaker 1: ability to increase battery capacity while simultaneously expanding the cooling
• 19:04
  Speaker 1: system suggests that the internal architecture has been reorganized around
• 19:08
  Speaker 1: these competing requirements rather than relying on a single major
• 19:12
  Speaker 1: component change. The difference between battery capacity and actual battery
• 19:17
  Speaker 1: life is also important. A larger battery does not automatically
• 19:21
  Speaker 1: produce a proportionally larger increase in endurance. Battery life depends
• 19:26
  Speaker 1: on how efficiently the phone uses the stored energy. The
• 19:29
  Speaker 1: display can consume significant power, particularly at high brightness and
• 19:34
  Speaker 1: refresh rates. Cellular radios may draw more energy when signal
• 19:39
  Speaker 1: conditions are poor. Camera recording can place sustained demands on
• 19:43
  Speaker 1: the processor and image processing systems. Gaming can heavily load
• 19:47
  Speaker 1: both the CPU and GPU. Artificial intelligence tasks can increase
• 19:53
  Speaker 1: computational activity as well. Background applications, location services, wireless connections,
• 20:00
  Speaker 1: and other system functions can contribute to total consumption. Because
• 20:04
  Speaker 1: of those variables, The 5,567 mAh figure should be interpreted
• 20:11
  Speaker 1: as one part of the endurance equation rather than as
• 20:14
  Speaker 1: a direct measure of how many hours the phone will last.
• 20:18
  Speaker 1: Early battery testing illustrates that point. Tom's Guide reported that
• 20:22
  Speaker 1: the iPhone 18 Pro Max reached 18 hours and 27
• 20:26
  Speaker 1: minutes in its battery test, compared with 17 hours and
• 20:30
  Speaker 1: 54 minutes for the previous Pro Max. an improvement of
• 20:34
  Speaker 1: roughly half an hour despite the battery being about 9.4%
• 20:39
  Speaker 1: larger in the North American eSIM configuration. The publication attributed
• 20:44
  Speaker 1: the improved endurance to a combination of factors, including the
• 20:48
  Speaker 1: more efficient newer processor, rather than battery capacity alone. This
• 20:53
  Speaker 1: is a useful reminder of what the teardown can and
• 20:55
  Speaker 1: cannot tell us. The physical cell confirms how much energy
• 20:59
  Speaker 1: the battery can store, but software optimization, processor architecture, display efficiency,
• 21:06
  Speaker 1: modem behavior, cooling, and workload management ultimately determine how that
• 21:11
  Speaker 1: stored energy is converted into usable runtime. Among the most
• 21:16
  Speaker 1: visually impressive components revealed by the iPhone 18 Pro Max
• 21:20
  Speaker 1: teardown is also one of the most mechanically interesting, the
• 21:24
  Speaker 1: redesigned main camera module with a variable aperture system. Smartphones
• 21:29
  Speaker 1: have traditionally relied on fixed apertures, meaning the physical opening
• 21:33
  Speaker 1: through which light enters the lens remains essentially unchanged while software,
• 21:38
  Speaker 1: shutter speed, sensor sensitivity, and computational photography handle changing lighting conditions.
• 21:45
  Speaker 1: The iPhone 18 Pro Max takes a different approach by
• 21:48
  Speaker 1: introducing a mechanism capable of physically adjusting the aperture. That
• 21:53
  Speaker 1: may sound like a relatively small modification, but from an
• 21:57
  Speaker 1: engineering perspective it adds a new layer of mechanical complexity
• 22:01
  Speaker 1: to one of the most tightly integrated components inside the phone.
• 22:05
  Speaker 1: The teardown provides an opportunity to see that the camera
• 22:08
  Speaker 1: is not simply a sensor, a lens stack, and a
• 22:11
  Speaker 1: small circuit board. It is an active optical system containing
• 22:15
  Speaker 1: moving parts that must operate with precision inside an enclosure
• 22:19
  Speaker 1: only millimeters thick. The purpose of the variable aperture is
• 22:24
  Speaker 1: fundamentally connected to light control. A camera lens does not
• 22:28
  Speaker 1: have to receive the same amount of light in every situation.
• 22:32
  Speaker 1: In a bright outdoor environment, Allowing too much light into
• 22:36
  Speaker 1: the sensor can make it difficult to maintain an appropriate
• 22:39
  Speaker 1: exposure without relying heavily on very fast shutter speeds or
• 22:43
  Speaker 1: other compensating adjustments. In dim conditions, the opposite problem appears.
• 22:49
  Speaker 1: The camera needs to gather as much usable light as possible.
• 22:53
  Speaker 1: A physical aperture provides another way to control that balance.
• 22:58
  Speaker 1: By changing the opening, the optical system can influence the
• 23:01
  Speaker 1: amount of light reaching the sensor and alter certain characteristics
• 23:05
  Speaker 1: of the image before software processing even begins. The concept
• 23:10
  Speaker 1: has existed in dedicated cameras for decades, but incorporating it
• 23:14
  Speaker 1: into a smartphone requires reducing a complex mechanism to an
• 23:18
  Speaker 1: extremely small form while maintaining durability and consistency. That miniaturization
• 23:24
  Speaker 1: is one of the most important aspects of the iPhone
• 23:27
  Speaker 1: 18 Pro Max implementation. In a traditional interchangeable lens camera,
• 23:32
  Speaker 1: there is considerably more room for a mechanical aperture assembly.
• 23:37
  Speaker 1: The lens body can contain multiple moving elements, motors, blades, gears,
• 23:42
  Speaker 1: and control components without the same restrictions imposed by a smartphone.
• 23:48
  Speaker 1: Inside an iPhone however, the camera module must compete for
• 23:51
  Speaker 1: space with the battery, processor, thermal system, antennas, display components,
• 23:58
  Speaker 1: structural elements, and other cameras. Apple therefore has to accomplish
• 24:03
  Speaker 1: the same basic optical objective with a mechanism that is
• 24:06
  Speaker 1: vastly smaller and operating under much tighter spatial constraints. The
• 24:11
  Speaker 1: teardown makes that challenge visible by showing the compact moving
• 24:15
  Speaker 1: components incorporated into the main camera assembly. The introduction of
• 24:20
  Speaker 1: physical movement also changes the reliability equation. A fixed optical
• 24:24
  Speaker 1: structure has relatively few moving parts. Once assembled and calibrated,
• 24:30
  Speaker 1: the lens and sensor remain in a defined configuration, while
• 24:34
  Speaker 1: software performs much of the image adjustment. A variable aperture
• 24:39
  Speaker 1: system adds components that must move repeatedly and return to
• 24:43
  Speaker 1: the correct position with a high degree of accuracy. The
• 24:47
  Speaker 1: aperture cannot simply open or close approximately. Even small deviations
• 24:52
  Speaker 1: can affect exposure consistency, optical characteristics, and the relationship between
• 24:57
  Speaker 1: the camera's hardware and image processing algorithms. The mechanism, therefore,
• 25:02
  Speaker 1: needs to be precise enough that the system can make
• 25:05
  Speaker 1: adjustments without creating visible or unpredictable changes in photographs and video.
• 25:11
  Speaker 1: This is particularly important because the iPhone camera operates in
• 25:15
  Speaker 1: real time. a user can move from a dark room
• 25:18
  Speaker 1: to a bright outdoor environment within seconds. The camera must
• 25:22
  Speaker 1: respond rapidly to changing lighting while simultaneously managing focus, stabilization,
• 25:28
  Speaker 1: shutter speed, sensor gain, color processing, and computational photography. Introducing
• 25:35
  Speaker 1: a mechanical aperture means the camera system gains another variable
• 25:39
  Speaker 1: that can be actively controlled. That creates new opportunities, but
• 25:44
  Speaker 1: it also creates another element that must be coordinated with
• 25:47
  Speaker 1: the rest of the imaging pipeline. The processor has to
• 25:51
  Speaker 1: interpret the scene, determine the appropriate settings, control the physical mechanism,
• 25:57
  Speaker 1: read the resulting sensor data, and process the final image.
• 26:01
  Speaker 1: The more capabilities Apple adds to the camera, the more
• 26:05
  Speaker 1: closely hardware and software become intertwined. The variable aperture can
• 26:10
  Speaker 1: also influence the visual character of photographs. In simplified terms,
• 26:15
  Speaker 1: changing the aperture can affect depth of field and the
• 26:18
  Speaker 1: way a scene is rendered, although the practical result on
• 26:21
  Speaker 1: a smartphone is influenced heavily by sensor size, lens design,
• 26:26
  Speaker 1: computational processing, and the shooting conditions. The front of the
• 26:31
  Speaker 1: iPhone 18 Pro Max may appear only slightly different at
• 26:35
  Speaker 1: first glance, but the teardown reveals one of the more
• 26:38
  Speaker 1: technically interesting changes beneath the display Apple has moved the
• 26:42
  Speaker 1: infrared camera used by Face ID underneath the screen. This
• 26:47
  Speaker 1: change allows the dynamic island to become smaller because one
• 26:50
  Speaker 1: of the components previously occupying the visible sensor area no
• 26:55
  Speaker 1: longer needs to sit inside the central opening. The result
• 26:58
  Speaker 1: is a display with a reduced interruption at the top
• 27:01
  Speaker 1: while Face ID continues to rely on its infrared sensing system.
• 27:06
  Speaker 1: What makes the change particularly significant is not simply the
• 27:09
  Speaker 1: smaller dynamic island itself, but the engineering required to make
• 27:14
  Speaker 1: infrared hardware function through an active OLED display. Apple has
• 27:18
  Speaker 1: effectively altered the relationship between the display and biometric hardware,
• 27:23
  Speaker 1: turning a portion of the screen into an optical pathway
• 27:26
  Speaker 1: for infrared light while keeping that area visually unobtrusive during
• 27:30
  Speaker 1: normal use. To understand the significance of the change, it
• 27:35
  Speaker 1: is necessary to look at what Face ID actually requires.
• 27:38
  Speaker 1: The system is not simply a conventional front-facing camera that
• 27:42
  Speaker 1: takes a photograph of a user and compares it with
• 27:45
  Speaker 1: a stored image. Face ID relies on an infrared sensing
• 27:49
  Speaker 1: arrangement capable of collecting information about the user's face under
• 27:53
  Speaker 1: a range of lighting conditions. The front sensor assembly contains
• 27:57
  Speaker 1: several specialized elements working together, including an infrared camera and
• 28:02
  Speaker 1: other illumination and projection hardware. Traditionally, these components have occupied
• 28:08
  Speaker 1: the central area of the display opening, requiring Apple to
• 28:12
  Speaker 1: reserve a visible region of the screen for the sensor system.
• 28:16
  Speaker 1: With the iPhone 18 Pro Max, Apple has begun moving
• 28:20
  Speaker 1: part of that architecture underneath the display, reducing how much
• 28:24
  Speaker 1: hardware has to remain exposed in the central opening. The
• 28:28
  Speaker 1: teardown provides the clearest evidence of how Apple accomplished this.
• 28:33
  Speaker 1: iFixit found that the infrared camera has been relocated toward
• 28:37
  Speaker 1: the upper left area beneath the screen, while the selfie
• 28:40
  Speaker 1: camera and infrared dot projector remain within the central opening.
• 28:45
  Speaker 1: This distinction is important because it means Apple has not
• 28:48
  Speaker 1: simply removed the entire Face ID system from the dynamic island. Instead,
• 28:54
  Speaker 1: the company has divided the functions between components that can
• 28:57
  Speaker 1: operate behind the display and components that still require a
• 29:01
  Speaker 1: clearer optical path through the visible opening. By moving the
• 29:05
  Speaker 1: infrared camera away from the center, Apple can reduce the
• 29:09
  Speaker 1: amount of hardware that needs an unobstructed section of the
• 29:12
  Speaker 1: display while preserving the core capabilities of the biometric system.
• 29:17
  Speaker 1: The challenge is that an OLED display is not naturally
• 29:20
  Speaker 1: transparent in the way that an ordinary glass window is.
• 29:24
  Speaker 1: A screen is built from layers of electronics and microscopic
• 29:27
  Speaker 1: pixels designed to emit and control visible light. Infrared light
• 29:32
  Speaker 1: must pass through those layers without being excessively blocked or distorted.
• 29:37
  Speaker 1: If the sensor underneath is going to receive a usable signal.
• 29:41
  Speaker 1: Apple's solution, according to the teardown, involves a specialized pixel
• 29:46
  Speaker 1: pattern above the infrared camera. In that area, every other
• 29:50
  Speaker 1: row of display pixels is missing, creating gaps through which
• 29:54
  Speaker 1: infrared light can pass. The pattern gradually transitions back toward
• 29:59
  Speaker 1: the normal pixel structure around the surrounding area, helping make
• 30:03
  Speaker 1: the hidden sensor region difficult to notice during everyday viewing.
• 30:08
  Speaker 1: Under magnification, the difference becomes much easier to see. The
• 30:12
  Speaker 1: display above the hidden infrared camera does not have precisely
• 30:16
  Speaker 1: the same pixel arrangement as the surrounding screen. Instead, there
• 30:21
  Speaker 1: are deliberate gaps that create an optical passage between the
• 30:24
  Speaker 1: display and the camera underneath. To the naked eye, however,
• 30:29
  Speaker 1: the area is designed to appear relatively normal. That balancing
• 30:34
  Speaker 1: act represents a major part of the engineering challenge. Apple
• 30:38
  Speaker 1: needs enough optical transmission for the infrared camera to perform
• 30:41
  Speaker 1: its role while maintaining a display surface that does not
• 30:45
  Speaker 1: look visibly damaged, perforated or significantly different from the rest
• 30:50
  Speaker 1: of the panel. In effect, The company is asking one
• 30:53
  Speaker 1: piece of hardware to serve two very different purposes at
• 30:56
  Speaker 1: the same physical location. It must remain a functioning display
• 31:00
  Speaker 1: while also allowing invisible infrared information to travel through it.
• 31:05
  Speaker 1: This is different from simply placing a transparent window over
• 31:08
  Speaker 1: a sensor. A smartphone display has to maintain image quality, brightness, contrast,
• 31:15
  Speaker 1: touch performance, and visual consistency across the panel. Any specialized
• 31:20
  Speaker 1: region must therefore be engineered so that users do not
• 31:23
  Speaker 1: constantly notice a difference. A conventional camera opening can remove
• 31:28
  Speaker 1: pixels entirely from a small area, but an under-display sensor
• 31:32
  Speaker 1: requires a much more carefully controlled transition between normal pixels
• 31:37
  Speaker 1: and the modified region. The teardown of the iPhone 18
• 31:41
  Speaker 1: Pro Max becomes particularly revealing when attention shifts away from
• 31:45
  Speaker 1: the processor cameras, and battery toward a component most users
• 31:49
  Speaker 1: rarely think about until something goes wrong, the NAND storage.
• 31:54
  Speaker 1: Flash storage is where the device keeps photographs, videos, applications, documents,
• 32:00
  Speaker 1: system data, and other information even when the phone is
• 32:03
  Speaker 1: powered off. To the user, storage is represented by a
• 32:07
  Speaker 1: number such as 256GB, 512GB, or 1TB. Inside the phone, however,
• 32:16
  Speaker 1: that capacity comes from physical memory chips that have to
• 32:19
  Speaker 1: be integrated into an extraordinarily dense electronic system. The iPhone
• 32:25
  Speaker 1: 18 Pro Max teardown shows that Apple has changed the
• 32:28
  Speaker 1: way some of this storage hardware is positioned within the
• 32:31
  Speaker 1: layered logic board architecture. The change may save or optimize
• 32:35
  Speaker 1: valuable internal space, but it also illustrates an increasingly important
• 32:40
  Speaker 1: issue in modern smartphones. The more tightly components are integrated,
• 32:45
  Speaker 1: the more difficult some repairs can become. The NAND chips
• 32:49
  Speaker 1: identified in the analyzed iPhone 18 Pro Max occupy a
• 32:53
  Speaker 1: position within the logic board assembly rather than being arranged
• 32:56
  Speaker 1: as an easily accessible standalone module. That distinction matters because
• 33:01
  Speaker 1: the logic board is not a single flat-circuit board. Modern
• 33:06
  Speaker 1: premium smartphones use multilayer and stacked board structures that allow
• 33:10
  Speaker 1: substantially more circuitry to fit into a limited footprint. Individual
• 33:15
  Speaker 1: layers can contain power, data, communications, and control connections, while
• 33:21
  Speaker 1: the components attached to those layers work together as a
• 33:24
  Speaker 1: single system. The advantage is obvious. Apple can use precious
• 33:29
  Speaker 1: internal space more efficiently. The disadvantage is equally important. Reaching
• 33:34
  Speaker 1: a component located within that structure can require far more
• 33:38
  Speaker 1: advanced procedures than removing a conventional removable module. Storage is
• 33:43
  Speaker 1: particularly sensitive because NAND memory is not simply a passive
• 33:48
  Speaker 1: container for files. It is part of the phone's larger
• 33:51
  Speaker 1: storage architecture and must communicate with the application processor and
• 33:55
  Speaker 1: storage controller at high speed. The phone needs to know
• 33:59
  Speaker 1: how blocks of flash memory are organized, how data is
• 34:03
  Speaker 1: written and retrieved, how wear is managed, and how the
• 34:07
  Speaker 1: system handles errors. As a result, Replacing storage is not
• 34:11
  Speaker 1: necessarily equivalent to swapping a battery or a speaker. The
• 34:15
  Speaker 1: replacement component must be technically compatible with the system, properly programmed,
• 34:21
  Speaker 1: and integrated in a way that allows the operating system
• 34:24
  Speaker 1: and other hardware to recognize and use it correctly. The
• 34:28
  Speaker 1: complexity increases further when storage is positioned directly within a
• 34:33
  Speaker 1: densely integrated board structure. This is one reason the physical
• 34:37
  Speaker 1: location of NAN matters so much to repair specialists. When
• 34:41
  Speaker 1: storage is placed in an accessible location, a technician may
• 34:45
  Speaker 1: be able to remove the component without disturbing as much
• 34:48
  Speaker 1: of the surrounding architecture. When it is embedded within a
• 34:52
  Speaker 1: layered assembly, however, getting to the chip can require board separation,
• 34:57
  Speaker 1: specialized heating equipment, microscopic inspection, precision soldering, and extensive reassembly work.
• 35:05
  Speaker 1: The difficulty is not limited to physically removing the chip.
• 35:09
  Speaker 1: A technician must also avoid damaging adjacent traces, connections, memory packages, processors,
• 35:16
  Speaker 1: and other critical components. In a board where multiple layers
• 35:20
  Speaker 1: are bonded together, a mistake in one stage can render
• 35:24
  Speaker 1: the entire assembly unusable. The teardown therefore highlights a fundamental
• 35:29
  Speaker 1: difference between designing a smartphone for manufacturing efficiency and designing
• 35:34
  Speaker 1: one for long-term repairability. Apple's engineers have strong incentives to
• 35:39
  Speaker 1: minimize the volume occupied by the logic board and to
• 35:42
  Speaker 1: optimize the relationship between the processor, memory, storage, cooling system,
• 35:49
  Speaker 1: and wireless circuitry. Every millimeter saved can potentially be reassigned
• 35:53
  Speaker 1: to something else, such as a larger battery or a
• 35:56
  Speaker 1: more capable thermal system. But a repair technician has the
• 36:00
  Speaker 1: opposite priority. A technician benefits when parts are accessible, clearly separated,
• 36:06
  Speaker 1: and independently replaceable. Those two objectives do not always lead
• 36:10
  Speaker 1: to the same architecture. The iPhone 18 Pro Max provides
• 36:14
  Speaker 1: a particularly clear example of that conflict because Apple has
• 36:18
  Speaker 1: simultaneously redesigned the board around the A20 Pro processor and
• 36:22
  Speaker 1: expanded the cooling hardware. Moving the processor to the outside
• 36:26
  Speaker 1: of the board sandwich while placing memory alongside, it helps
• 36:30
  Speaker 1: create a more direct thermal route to the vapor chamber.
• 36:34
  Speaker 1: That is an engineering decision focused on performance and heat management.
• 36:39
  Speaker 1: But changing the board structure also affects where other components
• 36:42
  Speaker 1: can be located. NAND storage has to fit into the
• 36:46
  Speaker 1: remaining architecture and the resulting arrangement creates additional complications for technicians.
• 36:52
  Speaker 1: In other words, The repair challenge is not necessarily created
• 36:57
  Speaker 1: by storage alone. It is a consequence of optimizing the
• 37:00
  Speaker 1: entire board for a different set of performance and space requirements.
• 37:05
  Speaker 1: One of the most revealing discoveries in the iPhone 18
• 37:08
  Speaker 1: Pro Max teardown concerns a component most users will never
• 37:12
  Speaker 1: see but rely on every time they make a phone call,
• 37:15
  Speaker 1: send a message, browse the internet, or connect to a
• 37:19
  Speaker 1: 5G network, the cellular modem. The teardown of the United
• 37:24
  Speaker 1: States version of the iPhone 18 Pro Max identified Qualcomm's
• 37:27
  Speaker 1: Snapdragon X85G modem, rather than Apple's own C2 cellular modem.
• 37:34
  Speaker 1: That finding is significant because Apple has been steadily developing
• 37:38
  Speaker 1: its own modem technology, and the company's C2 system is
• 37:42
  Speaker 1: used in the smaller iPhone 18 Pro worldwide and in
• 37:45
  Speaker 1: the iPhone 18 Pro Max sold outside the United States.
• 37:49
  Speaker 1: The discovery, therefore, reveals that the iPhone 18 Pro Max
• 37:53
  Speaker 1: does not use a single-modem architecture across all markets. Instead,
• 37:58
  Speaker 1: Apple has adopted a regional strategy in which the US
• 38:02
  Speaker 1: Pro Max retains Qualcomm cellular technology while other versions use
• 38:07
  Speaker 1: Apple's in-house solution. The distinction became especially notable because the
• 38:11
  Speaker 1: exterior of the different models gives consumers little indication that
• 38:16
  Speaker 1: such a major component difference exists. From the outside, The
• 38:20
  Speaker 1: devices are marketed as members of the same iPhone 18
• 38:24
  Speaker 1: Pro Max family. They share the same overall design language,
• 38:28
  Speaker 1: display concept, cameras, processor platform, and operating system. Internally, however,
• 38:35
  Speaker 1: the cellular subsystem can be substantially different depending on the
• 38:39
  Speaker 1: destination market. Tech Insights identified the U.S. model as containing
• 38:44
  Speaker 1: a Qualcomm Snapdragon X80 modem marked SDX80M, together with Qualcomm's
• 38:50
  Speaker 1: SDR875 converged radio frequency transceiver. That means the cellular connection
• 38:56
  Speaker 1: in the U.S. device is still being handled by a
• 38:59
  Speaker 1: Qualcomm platform even as Apple expands the use of its
• 39:02
  Speaker 1: own modem technology elsewhere. The discovery transforms what might have
• 39:07
  Speaker 1: been a hidden component choice into an important clue about
• 39:10
  Speaker 1: Apple's transition from relying on an outside supplier toward greater
• 39:14
  Speaker 1: control of its communications hardware. The reason modems matter so
• 39:19
  Speaker 1: much is that cellular connectivity is one of the most
• 39:22
  Speaker 1: demanding subsystems in a smartphone. The modem has to communicate
• 39:26
  Speaker 1: with mobile networks across a wide variety of frequencies. network standards,
• 39:31
  Speaker 1: bandwidth conditions, and signal environments. It has to manage the
• 39:36
  Speaker 1: movement of enormous amounts of data while operating within a
• 39:40
  Speaker 1: strict power budget. It also works alongside a collection of
• 39:44
  Speaker 1: radio frequency components that amplify, filter, route, and condition signals
• 39:49
  Speaker 1: before they reach the antennas or the cellular modem. A modem, therefore,
• 39:54
  Speaker 1: cannot be judged as an isolated chip. Its performance depends
• 39:59
  Speaker 1: on the entire radio frequency architecture surrounding it. The Qualcomm
• 40:03
  Speaker 1: X80 found in the US iPhone 18 Pro Max sits
• 40:06
  Speaker 1: within such a network of supporting hardware, including RF front-end
• 40:11
  Speaker 1: components supplied by multiple semiconductor companies. Qualcomm's continued presence in
• 40:16
  Speaker 1: the American Pro Max is particularly notable because Apple has
• 40:20
  Speaker 1: been pursuing modem independence for years. Developing a cellular modem
• 40:25
  Speaker 1: is one of the most difficult challenges in semiconductor engineering.
• 40:30
  Speaker 1: A modem must support complex wireless standards, interact reliably with
• 40:35
  Speaker 1: networks operated by many different carriers, and meet strict regulatory
• 40:39
  Speaker 1: requirements across regions. Cellular communication also involves an enormous number
• 40:45
  Speaker 1: of patents and technical standards, making the transition from an
• 40:49
  Speaker 1: established supplier to an internally designed solution much more complicated
• 40:54
  Speaker 1: than developing a conventional application processor. Apple already designs the
• 40:58
  Speaker 1: A-series processors at the center of its devices, but cellular
• 41:03
  Speaker 1: connectivity represents a different category of engineering challenge because success
• 41:08
  Speaker 1: is depends not only on the chip, but also on
• 41:11
  Speaker 1: interoperability with the global telecommunications infrastructure. That makes the C2
• 41:16
  Speaker 1: modem an important milestone in Apple's broader silicon strategy. By
• 41:21
  Speaker 1: designing its own cellular technology, Apple gains the possibility of
• 41:25
  Speaker 1: controlling another critical layer of the iPhone architecture. The company
• 41:30
  Speaker 1: can potentially coordinate the modem more closely with its application processor,
• 41:35
  Speaker 1: operating system, power management systems, and wireless networking hardware. Greater
• 41:41
  Speaker 1: control can also provide Apple with more flexibility over future
• 41:45
  Speaker 1: product integration. Instead of having to design around the capabilities
• 41:50
  Speaker 1: and constraints of an external modem supplier, Apple can increasingly
• 41:54
  Speaker 1: determine the architecture of the cellular subsystem itself. This is
• 41:59
  Speaker 1: part of a larger pattern in which Apple has brought
• 42:02
  Speaker 1: more silicon development in-house, including processors, wireless chips, security components,
• 42:08
  Speaker 1: and other specialized hardware. But the iPhone 18 Pro Max
• 42:12
  Speaker 1: demonstrates that this transition is not happening uniformly or all
• 42:16
  Speaker 1: at once. The US model's Qualcomm modem shows that Apple
• 42:21
  Speaker 1: still considers an external solution appropriate for at least one
• 42:24
  Speaker 1: important market and one particular device configuration. The iPhone 18
• 42:30
  Speaker 1: Pro Max may carry Apple's name, but the teardown reveals
• 42:33
  Speaker 1: that its internal identity is far more global than the
• 42:36
  Speaker 1: branding on the outside suggests. Beneath the aluminum enclosure and
• 42:41
  Speaker 1: glass display is a network of components produced, designed, packaged,
• 42:46
  Speaker 1: and supplied by numerous companies operating across the semiconductor industry.
• 42:51
  Speaker 1: TechInsight's preliminary teardown identified hardware from Apple, Qualcomm, Broadcom, Texas Instruments, STMicroelectronics, NXP, Renesas,
• 43:03
  Speaker 1: Analog Devices, Skyworks, Corvo, and Apple slash Cirrus Logic, among others.
• 43:10
  Speaker 1: The importance of this discovery extends beyond identifying individual suppliers.
• 43:16
  Speaker 1: It demonstrates that even one of the world's most vertically
• 43:19
  Speaker 1: integrated technology companies depends on a vast international ecosystem of
• 43:24
  Speaker 1: specialized semiconductor firms. Each supplier contributes a small part of
• 43:29
  Speaker 1: the overall system. but those parts have to function together
• 43:32
  Speaker 1: with extraordinary precision for the finished smartphone to work as
• 43:36
  Speaker 1: a single device. The complexity begins with the main processing architecture.
• 43:41
  Speaker 1: Apple designs the A20 Pro application processor, giving the company
• 43:46
  Speaker 1: direct control over one of the most important pieces of
• 43:49
  Speaker 1: silicon in the iPhone. But the processor does not operate alone.
• 43:53
  Speaker 1: It requires memory, power management systems, storage, communications controllers, display interfaces,
• 44:01
  Speaker 1: audio components, and numerous supporting circuits. Tech Insights identified LPDR5X
• 44:07
  Speaker 1: memory alongside the A20 Pro and 256GB of NAND flash
• 44:14
  Speaker 1: in the analyzed device. Around the processor are power management
• 44:18
  Speaker 1: integrated circuits from companies including STMicroelectronics and Texas Instruments. These
• 44:24
  Speaker 1: components regulate different electrical domains throughout the device, allowing the processor, memory,
• 44:31
  Speaker 1: and surrounding systems to operate at the voltages and power
• 44:35
  Speaker 1: levels they require. The result is a layered architecture in
• 44:38
  Speaker 1: which Apple controls some of the most visible and strategically
• 44:42
  Speaker 1: important silicon while relying on outside specialists for many supporting functions.
• 44:47
  Speaker 1: This supplier structure is not unusual for advanced electronics, but
• 44:52
  Speaker 1: the scale and precision involved in a flagship smartphone make
• 44:55
  Speaker 1: it remarkable. Semiconductor manufacturing has become highly specialized, with individual
• 45:02
  Speaker 1: companies focusing on particular categories of technology rather than producing
• 45:07
  Speaker 1: every component required by a complex device. One company may
• 45:11
  Speaker 1: specialize in processors, another in power management chips, another in
• 45:16
  Speaker 1: radio frequency amplifiers, another in near-field communication, and another in
• 45:21
  Speaker 1: display or audio interfaces. Apple integrates those pieces into a
• 45:26
  Speaker 1: unified product, but the underlying technologies come from an international
• 45:30
  Speaker 1: network of design and manufacturing operations. The iPhone 18 Pro
• 45:35
  Speaker 1: Max is therefore better understood as the end product of
• 45:39
  Speaker 1: an industrial ecosystem than as the output of one company
• 45:43
  Speaker 1: working in isolation. The cellular system provides one of the
• 45:47
  Speaker 1: clearest examples. TechInsights found Qualcomm Snapdragon X80 modem and SDR875
• 45:55
  Speaker 1: converged radio frequency transceiver in the analyzed US iPhone 18
• 45:59
  Speaker 1: Pro Max. Around those parts are radio frequency front-end modules
• 46:04
  Speaker 1: from Skyworks, Broadcom, and Corvo. Each of those companies contributes
• 46:09
  Speaker 1: specialized technology to the cellular signal chain. RF front-end components
• 46:14
  Speaker 1: are responsible for tasks such as amplification, switching, and filtering,
• 46:20
  Speaker 1: helping the phone transmit and receive signals across multiple frequency ranges.
• 46:25
  Speaker 1: The modem interprets and manages the digital cellular communications, while
• 46:30
  Speaker 1: the RF hardware handles the complicated transition between electronic data
• 46:35
  Speaker 1: and radio frequency signals. None of these components can deliver
• 46:39
  Speaker 1: modern cellular connectivity by itself. Their value comes from their
• 46:43
  Speaker 1: precise interaction. The wireless subsystem expands that network even further.
• 46:49
  Speaker 1: Apple's N1 wireless module represents the company's growing role in
• 46:53
  Speaker 1: designing its own communication silicon, while a separate ultra-wideband module
• 46:59
  Speaker 1: and an Apple MMWave antenna module add additional layers to
• 47:03
  Speaker 1: the connectivity architecture. Tech Insights also identified an NXP NFC
• 47:08
  Speaker 1: controller and secure element. These components support different functions, from
• 47:14
  Speaker 1: short-range contactless communication to precise device location technologies. The result
• 47:20
  Speaker 1: is a communication system made up of multiple specialized subsystems
• 47:24
  Speaker 1: rather than one universal wireless chip. This approach allows each
• 47:29
  Speaker 1: technology to be optimized for its particular task, but it
• 47:33
  Speaker 1: also means that the overall product depends on an extensive
• 47:36
  Speaker 1: network of component suppliers and specialized manufacturing processes. Wireless charging
• 47:42
  Speaker 1: provides another example of the same principle. The Teardown identified
• 47:47
  Speaker 1: Broadcom's BCM59367 wireless charging receiver inside the device, accompanied by
• 47:54
  Speaker 1: additional power management hardware from Apple slash Renesas and Qualcomm.
• 47:59
  Speaker 1: The iPhone 18 Pro Max Teardown becomes most interesting when
• 48:03
  Speaker 1: all of its individual discoveries are considered together. A larger battery,
• 48:07
  Speaker 1: a dramatically expanded vapor chamber, The A20 Pro's revised position
• 48:13
  Speaker 1: on the logic board, a variable aperture main camera, an
• 48:17
  Speaker 1: infrared face ID camera hidden beneath the display, a densely
• 48:22
  Speaker 1: integrated storage system, and different modem configurations across markets can
• 48:27
  Speaker 1: initially appear to be unrelated engineering decisions. In reality, they
• 48:33
  Speaker 1: point toward a common direction. Apple is increasingly treating the
• 48:37
  Speaker 1: iPhone as a tightly coordinated hardware platform in which performance,
• 48:41
  Speaker 1: energy use, thermal management, photography, wireless communication, display technology, and
• 48:49
  Speaker 1: physical construction are designed together. The teardown provides a physical
• 48:53
  Speaker 1: view of that strategy that cannot be captured by a
• 48:56
  Speaker 1: product specification sheet alone. It shows where Apple has chosen
• 49:01
  Speaker 1: to spend internal space, where the company has accepted additional
• 49:05
  Speaker 1: mechanical complexity, and where it continues to rely on outside technology.
• 49:10
  Speaker 1: TechInsights describes its findings as preliminary and says deeper analysis
• 49:15
  Speaker 1: is still underway, particularly around the A20 Pro, memory, modem configurations,
• 49:22
  Speaker 1: wireless silicon, camera sensors, RF architecture, and component sourcing. The
• 49:28
  Speaker 1: clearest priority is sustained computing performance. Apple has moved the
• 49:33
  Speaker 1: A20 Pro to the outside of the logic board sandwich
• 49:37
  Speaker 1: and position memory alongside it, creating a more direct path
• 49:41
  Speaker 1: to the cooling assembly. iFixit found a thermal interface material
• 49:46
  Speaker 1: between the processor and the vapor chamber, with the new
• 49:49
  Speaker 1: chamber extending across a much larger portion of the phone.
• 49:53
  Speaker 1: Apple specifies its surface area as three times larger than
• 49:57
  Speaker 1: the previous design. Those choices suggest that the company is
• 50:01
  Speaker 1: preparing the phone for workloads in which performance has to
• 50:04
  Speaker 1: be maintained rather than simply demonstrated in short bursts. Modern
• 50:08
  Speaker 1: flagship smartphones are being asked to process increasingly sophisticated games,
• 50:14
  Speaker 1: high-resolution video, computational photography, machine learning workloads, communications tasks, and
• 50:21
  Speaker 1: other demanding applications. The limiting factor is no longer simply
• 50:25
  Speaker 1: whether a processor can complete a calculation. The challenge is
• 50:29
  Speaker 1: how long that level of performance can be sustained within
• 50:33
  Speaker 1: a thin enclosure. The new architecture indicates that Apple considers
• 50:37
  Speaker 1: heat management a central part of solving that problem. The
• 50:41
  Speaker 1: cooling redesign also illustrates how Apple is changing its definition
• 50:45
  Speaker 1: of internal space. Traditionally, the battery tends to dominate the
• 50:50
  Speaker 1: discussion whenever smartphone dimensions are considered, but the iPhone 18
• 50:55
  Speaker 1: Pro Max demonstrates that high-performance computing requires another major allocation
• 51:00
  Speaker 1: of volume. The vapor chamber now spreads across a significant
• 51:04
  Speaker 1: portion of the device, while the aluminum enclosure itself contributes
• 51:08
  Speaker 1: to the thermal path. This is effectively a transformation of
• 51:12
  Speaker 1: the phone's body into part of the cooling system. Instead
• 51:16
  Speaker 1: of treating the processor as an isolated source of heat,
• 51:20
  Speaker 1: Apple has connected the processor, thermal interface, vapor chamber, and
• 51:25
  Speaker 1: chassis into one system designed to distribute heat away from
• 51:28
  Speaker 1: concentrated hotspots. That approach can potentially improve sustained performance and
• 51:34
  Speaker 1: temperature management, but it also illustrates the unavoidable compromises involved.
• 51:40
  Speaker 1: Space used for thermal hardware cannot simultaneously be used for
• 51:44
  Speaker 1: a larger battery, additional components, or simpler service access. Every
• 51:49
  Speaker 1: improvement has an architectural cost. The battery strategy reinforces that
• 51:55
  Speaker 1: same system-level approach. The North American eSIM-only configuration examined by
• 52:00
  Speaker 1: iFixit contains a 5,567 mAh battery, while other regional versions
• 52:08
  Speaker 1: have different capacities. That regional variation shows that Apple is
• 52:12
  Speaker 1: willing to modify internal hardware depending on connectivity and market requirements.
• 52:18
  Speaker 1: The additional battery capacity provides more stored energy, but the
• 52:22
  Speaker 1: larger cell works alongside processor efficiency, display power consumption, modem behavior,
• 52:29
  Speaker 1: thermal management, and software optimization. The teardown therefore suggests that
• 52:34
  Speaker 1: battery life is being treated as the result of multiple
• 52:38
  Speaker 1: engineering decisions rather than a single specification. More battery capacity
• 52:43
  Speaker 1: can provide additional endurance. But Apple's larger investment in cooling
• 52:47
  Speaker 1: and processor efficiency suggests the company is also trying to
• 52:51
  Speaker 1: make the entire platform more effective at converting electrical energy
• 52:55
  Speaker 1: into useful computing time. The camera redesign shows another aspect
• 53:00
  Speaker 1: of the same philosophy. The new variable aperture mechanism introduces
• 53:05
  Speaker 1: moving optical hardware into a component that has historically depended
• 53:09
  Speaker 1: heavily on fixed optical structures combined with sophisticated software. That
• 53:14
  Speaker 1: decision suggests Apple is not abandoning computational photography, but rather
• 53:20
  Speaker 1: adding another physical control that software can manage.