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Iphone 4s not working after ios 7 upgrade

Ever since i have updated my iphone 4s to ios 7my phone has stuck in recovery mode and when i connectect to itunes it keeps coming up with unknown error occurred. Please help my mobile has been out of action since Friday.

Posted on Sep 22, 2013 12:01 PM

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Posted on Sep 22, 2013 4:53 PM

I'm having the exact same with my cousins 4S. It seems some others are too.


He tried to upgrade over the air and its been stuck in recovery mode ever since.


I get the unknown error, 3109, and 4103. Sometimes it even says t had restored the phone successfully but just reboots to the recover screen anyway.

4 replies

Oct 3, 2013 6:04 AM in response to suzeqz

My 4S had an initial issue with the initial 7.0 update coming up with unknown error occurred. I looked on the Apple site and was able to see that if I downloaded itunes again and resynced it should work. I did that and it did work. Then the 7.02 update came out the other day. I downloaded it and it crashed my phone with the 4103 error. Another user on the Apple community noted they kept tapping the home screen while the update was occuring and their phone finally came back up. After four days of trying to get the phone back online and forwarding to another cell just to have cell service, it is workin after we tapped the home key during the entire install update and that worked. Now my phone is back online and Apple did not even know that that would fix it. Now they do.

Nov 1, 2013 7:30 PM in response to safferjoe

My 4s crashed for no reason and can't be restored via iTunes. Everytime I try to restore it, I only get "unknown error 4103". I tried holding the home button while it was restoring and the Apple logo showed up and I was hoping it was going to get fine but it got stuck and iTunes gave me "error 4005" instead. I was on iOS 7.03 before this happened. PLEASE HELP APPLE!

Iphone 4s not working after ios 7 upgrade

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