iPhone 12 Pro users report lockscreen bug after iOS 27 developer beta 1 update
First reported on r/ios on June 25, 2026.
Some users are experiencing a lockscreen bug on their iPhone 12 Pro after updating to iOS 27 developer beta 1.
What it looks like
- lockscreen bug
- reboot issue
How to fix it
- Restart your iPhone.
- Check for software updates.
- Reset all settings.
Affected products
- iPhone 12 Pro
Sources
- phone bugged, new look? — reddit:r/ios
Search terms covered: ios 27 developer beta 1 lockscreen bug, iphone 12 pro ios 27 issue