Apple Diversifies Supply Chain for Custom-Designed 5G Modem for iPhones in 2023
Apple is in preliminary talks with new suppliers about backend orders for its first in-house 5G modem chips for iPhones, according to a new report from DigiTimes.
Apple is reportedly negotiating with ASE Technology, which owns Advanced Semiconductor Engineering (ASE) and Siliconware Precision Industries (SPIL), to package some of its first self-designed 5G modem chips.
The report notes that ASE and SPIL have both been Qualcomm's partners for packaging 5G modem chips for iPhones, including its latest Snapdragon X65 5G modem-RF system now being manufactured at Samsung Electronics.
Apple is estimated to ship at least 200 million new iPhones in 2023, and will surely rely on multiple partners to handle backend processing of its in-house 5G modem chips and RF transceiver ICs, based on its regular supply chain management policy for its devices, the sources added.
Apple has already lined up its main chip manufacturing partner TSMC to begin producing the majority of its new in-house modem chips, which are expected to appear in the 2023 iPhone.
Apple and TSMC are currently trialing production of Apple's in-house modem designs using TSMC's 5-nanometer process, but that they will shift to the more advanced 4-nanometer technology for mass production.
TSMC is already aiming to use 4-nanometer technology for the main A-series chip in the 2022 iPhone lineup, with 2022 iPads and 2023 iPhones moving to 3-nanometer technology for their A-series chips.
The move, which has been under development for several years and enhanced by Apple's 2019 acquisition of the majority of Intel's modem business, will allow Apple to shift away from Qualcomm as a supplier for the important chips that support cellular connectivity.
Popular Stories
Despite being more than two years old, Apple's AirPods Pro 2 still dominate the premium wireless‑earbud space, thanks to a potent mix of top‑tier audio, class‑leading noise cancellation, and Apple's habit of delivering major new features through software updates. With AirPods Pro 3 widely expected to arrive in 2025, prospective buyers now face a familiar dilemma: snap up the proven...
Apple's iPhone development roadmap runs several years into the future and the company is continually working with suppliers on several successive iPhone models simultaneously, which is why we often get rumored features months ahead of launch. The iPhone 17 series is no different, and we already have a good idea of what to expect from Apple's 2025 smartphone lineup.
If you skipped the iPhone...
Apple is preparing a "bold" new iPhone Pro model for the iPhone's 20th anniversary in 2027, according to Bloomberg's Mark Gurman. As part of what's being described as a "major shake-up," Apple is said to be developing a design that makes more extensive use of glass – and this could point directly to the display itself.
Here's the case for Apple releasing a truly all-screen iPhone with no...
While the iPhone 17 Pro and iPhone 17 Pro Max are not expected to launch until September, there are already plenty of rumors about the devices.
Subscribe to the MacRumors YouTube channel for more videos.
Below, we recap key changes rumored for the iPhone 17 Pro models as of April 2025:
Aluminum frame: iPhone 17 Pro models are rumored to have an aluminum frame, whereas the iPhone 15 Pro and ...
If you have been experiencing issues with wireless CarPlay in your vehicle lately, it was likely due to a software bug that has now been fixed.
Apple released iOS 18.4.1 today, and the update's release notes say it "addresses a rare issue that prevents wireless CarPlay connection in certain vehicles."
If wireless CarPlay was acting up for you, updating your iPhone to iOS 18.4.1 should...
This week saw rumor updates on the iPhone 17 Pro and next-generation Vision Pro, while a minor iOS 18.4.1 update delivered not just security fixes but also a fix for some CarPlay issues.
We also looked ahead at what else is in Apple's pipeline for the rest of 2025 and even the 20th-anniversary iPhone coming in 2027, so read on below for all the details on these stories and more!
iPhone 17 ...
Apple seeded the third beta of iOS 18.5 to developers today, and so far the software update includes only a few minor changes.
The changes are in the Mail and Settings apps.
In the Mail app, you can now easily turn off contact photos directly within the app, by tapping on the circle with three dots in the top-right corner.
In the Settings app, AppleCare+ coverage information is more...
