iPhone 18 Pro Face ID Bug Causing System to Crash and Reboot for some Users
Some affected owners say failed Face ID checks in locked apps trigger freezes and kernel panics, and 9to5Mac reproduced the problem on one unit.
- On Monday, September 21, 2026, owners of the 18 Pro and Pro Max reported sudden reboots following failed Face recognition attempts, with devices freezing before generating kernel crash logs.
- Reports from Reddit and Asamo suggest the issue triggers specifically during authentication tasks like Apple Pay, appearing linked to Apple's updated hardware layout that relocated Infrared components beneath the display.
- Users can confirm the system crash by navigating to Settings, Privacy and Security, then opening Analytics Data, where "panic-full" files document the device locking up after biometric failure.
- Retail staff have provided mixed assessments to affected customers, with some users securing device swaps or refunds, while one person reported Apple support recommended a hardware exchange.
- While similar post-launch restart complaints were resolved through maintenance patches on previous generations, affected users should monitor diagnostic logs closely as Apple has been reached for comment on potential fixes.
17 Articles
17 Articles
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(Seoul = Yonhap News) Reporter Park Hyung-bin = Apple's newly released iPhone 18 Pro series devices suddenly turn off and reboot, a so-called 'panic-fu...'
iPhone 18 Pro users report sudden reboots and panic-full errors
Early adopters of Apple’s newly released flagship hardware in South Korea, the United States, and China are reporting recurring forced device restarts and low-level panic-full diagnostic logs, with system crashes frequently triggered during routine Face ID biometric scans and everyday Apple Pay transactions.
A "Panic Full" phenomenon, in which the device suddenly turns off and then back on by itself, is occurring repeatedly on Apple's new smartphones, the iPhone 18 Pro and Pro Max. According to the information technology (IT) industry on the 20th, posts reporting that users have experienced the Panic Full phenomenon on the iPhone 18 Pro and iPhone 18 Pro Max are appearing one after another, centered around the iPhone user community "Asamo (iPhone & …
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