iphone 5s flashing error

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mumin35
Posts: 1
Joined: 30 Aug 2017 05:02
like: 0

iphone 5s flashing error

Postby mumin35 » 30 Aug 2017 05:05

hello
ı was trying to flash my iphone5s from 10.3.3 to 9.3.5
it gives this error
Return value -1, return string {0}Apple server query failure

what can ı do ?

kristine
Posts: 349
Joined: 26 Oct 2016 17:47
like: 60

Re: iphone 5s flashing error

Postby kristine » 30 Aug 2017 09:03

I am sorry to tell you that you can't downgrade to iOS 9.3.5 which Apple has stopped sign for this firmware.

kristine
Posts: 349
Joined: 26 Oct 2016 17:47
like: 60

Re: iphone 5s flashing error

Postby kristine » 30 Aug 2017 09:05

And if you meet any problem of error codes on 3uTools, you can take this tutorial as reference: http://www.3u.com/tutorial/articles/206 ... es-3utools


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