downgrade of firmware

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rahil_techlearner
Posts: 1
Joined: 11 Apr 2019 22:17
like: 0

downgrade of firmware

Postby rahil_techlearner » 11 Apr 2019 22:21

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?

Grace Liu
Posts: 537
Joined: 20 Oct 2016 09:33
like: 65

Re: downgrade of firmware

Postby Grace Liu » 12 Apr 2019 11:28

At present, you can not downgrade to iOS 12.1.3.

blackshady
Posts: 18
Joined: 09 Sep 2019 16:53
like: 0

Re: downgrade of firmware

Postby blackshady » 14 Apr 2020 10:01

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.


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