IT House reported on August 16 that Apple stopped signing the iOS 17.6 version system today, preventing iPhone users from downgrading to this version. Apple has released the iOS 17.6.1 update on August 8.
1. Apple regularly stops signing older versions of iOS, usually within a week or two after a new version is released.The above is the detailed content of Apple stops signing iOS 17.6 system, upgraded iPhone users can no longer downgrade. For more information, please follow other related articles on the PHP Chinese website!