iOS 15.4.1 (19E258) for iPhone 11
✗ This firmware is not signed. This means you cannot restore to it in iTunes.
||31st March 2022
||28th March 2022
iOS 15.4.1 Release Notes
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.
This update includes the following bug fixes for your iPhone:
- Battery may drain more quickly than expected after updating to iOS 15.4
- Braille devices may become unresponsive while navigating text or displaying an alert
- Made for iPhone hearing devices may lose connection within some third-party apps
For information on the security content of Apple software updates, please visit this website: