I use the Iphone 7 plus, I missed the upgrade to IOS version 13.0, but I found the use is no longer smooth, so I decided to downgrade to IOS version 12.0, but I failed to downgrade, I have to how. Should I continue to downgrade IOS 12.0?

Re: The problem of lowering IOS 13.0 down to IOS 12.0


Vous trouverez une guide vous expliquant comment downgrade vers iOS 12.0 ici : https://iphonesoft.fr/2019/06/03/comment-downgrader-ios-13-vers-ios-12