A small number of iPhone 18 Pro and iPhone 18 Pro Max owners say their phones freeze and restart after Face ID fails or retries inside a protected app. The reports involve iOS 27, but they do not establish how widespread the problem is or whether its cause is software or hardware.
In one Reddit discussion, users described a failed Face ID attempt in banking, payment, and other authenticated apps, followed by a frozen screen and automatic reboot. A second owner report includes a similar pattern and says a “panic-full” analytics log appeared after each restart.
Other commenters said their phones did not show the behavior, and some reported crashes without a Face ID trigger. Apple has not acknowledged a specific iPhone 18 Pro Face ID reboot issue or published a cause, fix, or affected-device count.
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What affected owners should do
Install any available iOS update under Settings > General > Software Update. If the problem repeats, note the app and action that triggered it, then check Settings > Privacy & Security > Analytics & Improvements > Analytics Data for files beginning with “panic-full.” Those logs can help Apple Support assess the crash, but they do not let a user determine the cause by themselves.
Basic Face ID checks may still be useful. Make sure a case or screen protector is not covering the sensor area, and see our guide to troubleshooting Face ID. Do not erase the phone solely on the strength of forum speculation.
If the phone becomes unresponsive, our iPhone restart guide covers the supported button sequence. Owners with repeat panic logs should contact Apple Support while their return or warranty window remains open.
Apple says the iPhone 18 Pro’s redesigned Dynamic Island still handles Face ID for unlocking, purchases, and app sign-ins. Our iOS 27 compatibility guide provides broader software context, but for now these reboot claims remain limited user reports rather than a confirmed defect.
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