Following the release of iOS 16.1, Apple stopped signing iOS 16.0.3, making it impossible for users to roll back or downgrade to that specific version. The iOS 16.0.3 update had been released to iPhone and iPad users with several important bug fixes, especially for iPhone 14 owners.
Why does Apple block old firmware?
Apple regularly stops signing old versions of iOS over time to prevent users from remaining on an outdated software version, but also to block exploits exploited by the jailbreak which allow to change the appearance but also the functionalities of iOS.
What were the changes in iOS 16.0.3?
For the record, the 16.0.3 update brought the following bug fixes:
- Incoming calls and app notifications may be delayed or not delivered on iPhone 14 Pro and iPhone 14 Pro Max
- Low microphone volume may occur during CarPlay phone calls on iPhone 14 models
- Camera may be slow to launch or switch modes on iPhone 14 Pro and iPhone 14 Pro Max
- Mail app crashes on launch after receiving malformed email
Apple recommends having the latest version of iOS to have the best user experience and optimal security in the face of new attacks that continue to be more innovative over time.