This means that users who have been upgraded to IOS 14.1 or are based on IOS 14.2 beta will no longer be allowed to downgrade to IOS 14.0.1. Prior to that, Apple also turned off system validation for IOS 14.0. The official version of IOS 14 was released on September 16 after three months of beta testing. < / P > < p > this big version update brings desktop widget, APP resource library and many new features. On September 24, Apple launched IOS 14.0.1 to fix some bugs. < / P > < p > in general, demotion is more important for jailbreak users. Checkra1n has been compatible with IOS 14, but only for Apple devices before a11. < / P > < p > in addition, demotion can also allow users to recover from some major errors, but unfortunately, if you are dissatisfied with IOS 14.1, you can only wait for subsequent upgrades, not demotion. Currently, the only viable downgrade is to roll back from IOS 14.2 beta to IOS 14.1. The iPhone 12 keynote has been recorded in Apple park