[REVISION HISTORY]

iPhone 18 Pro hardware and connectivity issues

Updated 5 times since CLSTR started tracking revisions of this situation.

What changed

2026-10-04 23:12 UTC → 2026-10-06 02:49 UTC · added ~~removed~~

Following the launch of the iPhone 18 Pro series, Apple has encountered various technical and security complications. Initial reports highlighted hardware defects, including discoloration around camera lenses and unusual sounds from earpiece speakers. Additionally, authorities in Hong Kong identified significant credit card fraud involving a loophole in the Apple online store that bypassed certain security verifications. Subsequent reports identified a specific cellular connectivity issue affecting iPhone 18 Pro Max users on the AT&T network. Affected devices may lose all cellular service, displaying an ‘SOS’ status, which prevents users from making calls, sending texts, or accessing mobile data, including emergency services. AT&T has warned that this loss of connectivity may specifically impact the ability to make emergency 911 calls. Apple has confirmed the issue appears specific to the iPhone 18 Pro Max model utilizing the Qualcomm Snapdragon X80 modem in U.S. ~~versions,~~ versions (model A3473), whereas other models in the lineup use Apple’s proprietary C2 modem. While other carriers like T-Mobile and Verizon have not reported similar widespread problems, Apple has released iOS 27.0.1 and carrier settings updates to prevent new occurrences. The carrier settings update is expected to install automatically over a 14-day period, though Apple recommends users check for updates manually. Because these software patches cannot restore service to devices that have already lost connectivity, Apple has stated that affected customers will require free hardware replacements. These users must replace their handsets with new units through Apple or AT&T. Affected users are advised to contact Apple Support or AT&T, or visit an Apple Store or AT&T retail location for assistance.

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