Apple stops signing iOS 15.0, meaning you can no longer downgrade
(iMore iPhone)

It`s 15.0.1 from here... What you need to know Apple has stopped signing iOS 15. It means users can no longer downgrade from iOS 15.0.1. Apple regularly stops signing iOS versions as new ones are released. As is expected, Apple has stopped signing iOS 15 with the release of iOS 15.0.1, meaning users can no longer downgrade. Apple released iOS 15.0.1 on October 1, finally fixing that terrible Unlock with Apple Watch bug. Earlier this week it also stopped signing iOS 14.8 for users on Apple`s older software. Apple usually stops signing older versions of its operating systems when new ones are released to try and keep as many people on its most current software. New iOS software usually brings important security updates or bug fixes, as well as new features. In some circumstances downgrading your iOS version can sometimes be a handy way to get around bugs or issues that you encounter, however, this can`t be enjoyed for long once the singing stops. As noted, iOS 15.0.1 is an imp...