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I recently updated to ios 5.1, and after about 10-40 seconds after unlocking my phone it stops to see my finger touches. the buttons work but not the touch screen. and this also hapens sometimes when I go to unlock the screen. so I have to lock the screen and try to unlock it to use the phone for about 30 seconds and then have it do the same thing making me lock it and unlock it again. I'm starting to think it is the ios 5.1 not liking my phone. I have a 3gs 16 gig. My screen was cracked and I had it replaced along with the digitizer, and when I got it back I did a restore and thats when it added the ios 5.1. So I was wondering if I can go back to an older ios and how to do that, thank you.
Sorry, no official way to downgrade firmware & how to do so cannot be discussed here.
do you know where I can go to see how to go back to older firmware? please?
Downgrading by unauthorized methods will end up with a mismatch of the iOS and modem baseband versions. This may lead to new problems, and an excellent chance that you won't be able to update or restore a stock iOS again.
Your problem may not be solved by downgrading anyway. The problem is in the digitizer. I would try restoring again as new, without using a backup. Otherwise, get the screen repaired correctly.
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