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iOS and Apps All your questions and discussion of iOS or iOS Apps.

'No SIM card" message after IOS 5.1 update

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Member Since: Mar 30, 2009
Posts: 2
alybaba is on a distinguished road

alybaba is offline
Just updated iPhone 4s to IOS 5.1 and my sim card is no longer recognised. Did a restore and still getting the same message. Anybody else have the same problem?
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Member Since: Dec 24, 2011
Posts: 9
Rizfiz is an unknown at this point

Rizfiz is offline
is it unlocked or on a supported carrier
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Member Since: Mar 30, 2009
Posts: 2
alybaba is on a distinguished road

alybaba is offline
The phone is unlocked, no contracts, using one of the main carriers in Australia - Optus.
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Member Since: Mar 12, 2012
Posts: 1
mehdi is on a distinguished road

mehdi is offline
i have the same problem. my 4s worked fine with 5.0.1. now it says "no sim card installed". it happened the moment i upgraded to 5.1.
the same sim card is now working fine with my 3gs. please heeeeeeeeelp.
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Member Since: Mar 22, 2012
Posts: 4
AhmedAdly is on a distinguished road

AhmedAdly is offline
Yep, same issues with my ipad2.
As soon as I upgraded, it started giving me the same message No Sim.

But over the last couple of days it has been going on and off ... Very annoying.

I live in Egypt and do not have an iPad on any contracts. I have a sim card from Mobinil which has been working perfectly for several months since I got it up until now. So I think the problem has nothing to do with operators but more to do with the update.
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