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downgrade of firmware
Posted: 11 Apr 2019 22:21
by rahil_techlearner
is it possible if i use shsh file(signature of apple) of 12.1.3 and then use it by way you suggest to downgrade to 12.1.3?
Re: downgrade of firmware
Posted: 12 Apr 2019 11:28
by Grace Liu
At present, you can not downgrade to iOS 12.1.3.
Re: downgrade of firmware
Posted: 14 Apr 2020 10:01
by blackshady
I see a lot of users who failed to downgrade their iPhones with 3u tools. You guys might want to try Joyoshare UtlFix. Though it's a system repair tool, I downgrade my iPhone with this tool and it worked every time.