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iOS 5.0.1 killed my cellular connection, and gave me major battery life issues I never had with iOS 5.0

I never had problems on iOS 5.0 then my phone prompted me to upgrade. So I did, and 12 hours after I upgraded I started getting the searching > no service > searching > full bar issues. I can't do a thing when I'm not signed into my regular WiFi. No one can reach me and I can't call out.


Is there any way at all to go back to iOS 5.0? I've done all the suggested things of hard reset, taking my sim card in and out....this is atrocious. HELP.

Posted on Nov 13, 2011 9:47 AM

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13 replies

Nov 13, 2011 9:58 AM in response to ericfromsheffield

I'm just sitting here watching the percentage drain as i do nothing. My phone won't go to sleep because the constant service > searching > no service > searching prevents it from sleeping. I even tried calling Apple and got 30 seconds in before I got dropped because "no cellular data". How many times do we all need to post here before they give us 5.0 back, or fix the problem?

Nov 14, 2011 9:02 AM in response to sonya50

I've had the same problem with loss of 3G etc signal. I'd already had a problem where some apps would hang when I tried to return to them after switching out to, say, check e-mail or a reply to a text. In those cases I could quit the app and restart it to resolve the hanging. With the 3G loss the only thing that works is to restart my iphone, which is a bit of a pain but the 4S starts about 100x quicker than my old 3G so it hasn't yet caused me to start swearing at the phone. I'm sure that will come.

Nov 14, 2011 12:50 PM in response to sonya50

I made an appointment with the Genius Bar, after doing numerous hard restarts, popping my sim card in and out, and resetting all my settings (essentially restoring the phone). They ran tests on my hardware, all was good. They then popped in another sim into my phone for about 5 mins and no problems, so they took it out and put mine back in and the problems were gone! They told me that occassionally sim cards will stop working like that and advised me to go to AT&T to get them to reprint another sim card for me. I'm going to go when I get off work. So far though - no more problems and my battery life is golden!


Hope this helps everyone with similar problems...

Nov 17, 2011 12:13 PM in response to tb_white

This I what I have done so far. I restored new phone to default. When I restore a back up to the phone it starts the no service, searching cycle. Restored phone again and loading all my apps one at a time. Only issue is, info in particular apps are not there now but with that said all apps are back on phone and it has lasted all day without any service issues. Hope this helps!

Nov 18, 2011 11:50 AM in response to sonya50

i'm having the same problem - a day after upgrading to iOS 5.0.1, my iPhone 4 kept cycling between "Searching" and "No service." I went through all the sim card stuff, did a hard reset, wiped my network settings, restored it to factory settings, restored it from a backup, etc. I finally went to the Genius Bar today and they wiped it and set it up as a new phone. It didn't have service at first, so the guy told me my only choices were to either replace it or upgrade to an iPhone 4s (the phone is out of warranty and I don't have Apple Care). I went upstairs, and lo and behold, it worked just fine - albeit without any of my data. I took it home and synced with iTunes and now I'm right back where I started...with a useless phone that just keeps searching for an AT&T signal.

Nov 20, 2011 4:51 PM in response to sonya50

I have an iPhone 4, iTunes for WIN7, and iOS 5.0.1.


I finally solved my battery life and "no service" problem but it was completely unexpected.


Check out the full dicussion of my solution:


https://discussions.apple.com/thread/3507478?answerId=16787983022#16787983022


Easy to do if you have 15 minutes. One guy replied that it worked for him and another said it didn't. The fix seems to have worked 65 % of the time.


If you have a comment, please post it also at the above discussion. I really am curious to know if this was a fluke for me or maybe a good solution for many.

iOS 5.0.1 killed my cellular connection, and gave me major battery life issues I never had with iOS 5.0

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