iPhone 18 Pro Max still uses a Qualcomm modem in the US, teardown confirms

9to5mac.com Sep 19, 2026

iPhone 18 Pro Max still uses a Qualcomm modem in the US, teardown confirms

Curated by Shubham · TechCapsules · Sep 19, 2026

AI-summarised brief · reviewed before publication

TechInsights released an early teardown of the iPhone 18 Pro Max, revealing that the U.S. model still employs a Qualcomm Snapdragon X80 modem, contrary to Apple’s claim that the device uses its in‑house C2 modem. Worldwide, the iPhone 18 Pro Max uses the C2, which Apple touts for AI‑enhanced cellular performance, faster uploads, 15 % lower power use, and mmWave 5G support. The U.S. variant’s reliance on Qualcomm is likely contractual, with Apple expected to phase out the partner once feasible.

💡 Why It Matters

· The persistence of Qualcomm in the U.S.
· iPhone signals a lag in Apple’s modem transition, affecting consumers who rely on the latest cellular tech.
· This gap may influence future supply chain and competitive dynamics in the smartphone industry.

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It took exactly one photo for me to realize the awesome power…

Apple’s iPhone 18 Pro Max introduces a variable aperture on its 48‑megapixel main camera, offering five physical f‑stops (ƒ/1.48, ƒ/1.8, ƒ/2.8, ƒ/4.0 and Auto). The mechanism uses interlocked blades thinner than a human hair that slide to widen or narrow the opening, a first for iPhone hardware. Only the main lens receives this capability; the 4× telephoto (ƒ/2.8) and ultrawide (ƒ/2.2) remain fixed. In real‑world testing, the author observed noticeably improved low‑light performance and depth‑of‑field control, likening the effect to squinting an eye to sharpen focus. While not reaching DSLR extremes such as ƒ/11, the range expands creative options for mobile photographers, especially in bright or dim environments.

💡 The variable aperture gives iPhone users unprecedented control over exposure and background blur, turning a mass‑market phone into a more versatile photographic tool.

9to5mac.com · Sep 20

iOS 27 makes your iPhone faster in these 30+ ways

iOS 27 has rolled out to all supported iPhones, promising a noticeable speed boost across more than 30 system areas. Apple says the update, compatible with devices as old as the iPhone 11, delivers up to 30 percent faster app launches, a figure derived from internal tests on the iPhone 11 Pro Max versus iOS 26.4.2. The company highlighted broader refinements that make everyday tasks feel smoother, citing bug fixes and a complete Siri overhaul as part of the performance push. Analysts note that the improvements target older hardware, aiming to extend the usable life of devices that would otherwise feel sluggish. Users can expect quicker navigation, reduced latency, and a more responsive interface after upgrading. Battery efficiency also sees modest gains, with background tasks consuming less power.

💡 Extending high‑performance experience to legacy iPhones keeps users engaged with Apple’s ecosystem longer.

9to5mac.com · Sep 19

Apple is taking a little bit of a gamble with iPhone Duo…

Apple’s iPhone Duo introduces a new dual‑display interface that requires all apps to be recompiled for iOS 27.0, with iOS 27.1 adding support for the Duo’s unique tab bar and UI elements. Developers must rebuild to avoid black bars and to enable full‑screen use on the inner display, especially for gaming. Apple opted against a resizable iPad binary fallback, prioritizing a native experience. The rollout may delay support, but a potential iOS 28 compatibility layer could ease the transition.

💡 The Duo’s success hinges on rapid developer adoption; delayed support could stall its adoption and affect Apple’s competitive edge in foldable devices.

gizmochina.com · Sep 19

Apple, Samsung, and Google face potential audio product ban in the US

A California audio firm, BoomCloud 360, has filed a U.S. International Trade Commission complaint alleging that Apple, Samsung, and Google infringe three of its spatial‑audio patents. The patents cover techniques such as gain adjustment, speaker‑side compensation, dynamic sound enhancement, and crosstalk correction. BoomCloud seeks a limited exclusion order to block infringing devices from U.S. import and cease‑and‑desist orders to halt domestic sales. The ITC opened a formal investigation in September 2026, giving the tech giants 20 days to respond. Parallel federal lawsuits have already been filed by the companies.

💡 The case could restrict the sale of popular smartphones, headphones, and other audio‑enabled devices in the U.S., reshaping how major tech firms deploy spatial‑audio features.

9to5mac.com · Sep 19

Apple Watch Series 12 and Ultra 4 missing one health-focused feature

Apple’s latest wearables, the Watch Series 12 and Ultra 4, launch without the hand‑washing timer that has been part of watchOS 27 and Apple Health since the pandemic‑era rollout in 2020. The feature still functions on the previous generation—Series 11 and Ultra 3—and is listed in the watchOS 27 guide, but Apple’s supported‑hardware list omits the new models. No official comment explains whether the omission is accidental or reflects a hardware change tied to the watches’ new processor and audio‑intelligence capabilities such as Siri Recap and Live Rewind. The absence suggests Apple may be phasing out the hand‑washing detection on its 2026 lineup, though the company could later reinstate it. Both devices are already on sale.

💡 The removal hints that Apple is prioritizing newer sensor suites over pandemic‑specific health tools, reshaping the health‑tracking narrative of its flagship wearables.

appleinsider.com · Sep 19

Teardown confirms US iPhone 18 Pro Max lacks Apple’s C2 modem

TechInsights’ teardown of the U.S. iPhone 18 Pro Max revealed that the device uses a Qualcomm Snapdragon SDX80M 5G modem instead of Apple’s in‑house C2 modem, contradicting the company’s promotional material that highlighted the C2 across the iPhone 18 Pro line. The phone’s other components match expectations, including the A20 Pro processor, N1 wireless combo module and a suite of RF chips from Skyworks, Broadcom, Qorvo, Texas Instruments and an NXP NFC controller. Apple’s specification sheets list the C2 only for the iPhone 18 Pro, leaving the Pro Max column blank for the U.S. market, while overseas versions show the C2 in both models. Analysts suspect the U.S. configuration fulfills Apple’s 2023 agreement with Qualcomm, suggesting a region‑specific supply‑chain decision. The finding underscores Apple’s flexibility in sourcing to meet constraints.

💡 Apple’s selective modem choice reveals how regulatory and partnership pressures can force even premium devices to diverge from advertised specs.