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Apple Ships iOS 27.0.1 to Fix iPhone 18 Pro Face ID Restarts

Martin HollowayPublished 4d ago3 min readBased on 4 sources
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Apple Ships iOS 27.0.1 to Fix iPhone 18 Pro Face ID Restarts
Photo by TheRegisti on Unsplash

Apple has released iOS 27.0.1, a bug-fix update addressing Face ID authentication failures and a touchscreen issue. The rollout began on Monday. Engadget

The release centers on iPhone 18 Pro models. Owners of the iPhone 18 Pro and 18 Pro Max reported devices restarting after Face ID failed to authenticate. Apple confirmed in September to 9to5Mac that new iPhones may "restart unexpectedly" when Face ID fails to authenticate.

Apple's update notes describe the fix in functional terms, stating the update provides bug fixes for iPhone including Face ID fails to authenticate and a touchscreen issue. Apple

Two other defects are addressed in the same build. iOS 27.0.1 fixes a color artifact in photos taken on the iPhone 18 Pro at the 2x zoom level. It also resolves a glitch that caused devices to become unresponsive when Notification Center and Control Center were opened at the same time.

Apple lists September 28, 2026 as the release date for iOS 27.0.1 and iPadOS 27.0.1. Apple The company states the update has no published CVE entries. Apple It applies to iPhone 11 and later, iPad Pro 12.9-inch 4th generation and later, iPad Pro 11-inch 2nd generation and later, iPad Air 4th generation and later, iPad 9th generation and later, and iPad mini 6th generation and later. Apple

The maintenance branch remains available for hardware that stays behind. The iOS 26.7 update is specific to iPhone 17 and earlier models and provides security patches for users not installing iOS 27. Engadget iOS 27 and iPadOS 27 shipped on September 14, 2026. Apple

Looking at what this means for daily use, the priority order is clear from the symptom set. An authentication failure that triggers a reboot interrupts unlock. Users lose the session they were in. A touchscreen fault compounds that loss of control. A deadlock from two system gestures does the same.

In my view, the camera fix belongs in a different category. A color artifact at a single zoom step does not block use, but it undermines trust in a Pro imaging pipeline where consistency matters frame to frame. Bundling it here makes sense. One restart avoids three separate reboots and three rounds of validation for managed fleets.

The broader context here is choice of upgrade tempo. With a security-only 26.7 path for iPhone 17 and earlier alongside the 27 branch, cautious users and IT teams can wait without forgoing patches. For 18 Pro owners, waiting carries less benefit. The reboot bug touches core interaction, and the fix carries no disclosed CVEs to complicate risk review. Install promptly, verify Face ID, touch response, and 2x capture, then resume normal cadence.