Q: Locked Sim on Iphone
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Nov 9, 2012 1:45 PMby varjak paw,Backing up and restoring the OS will not, unless I've missed something, do anything about a locked PIN on a SIM. If you've forgotten your PIN, you may need to enter a Personal Unlocking Key (PUK). If O2 can't provide one, you'll probably need to get a new SIM from O2. For more information, see:
http://support.apple.com/kb/HT1316
Regards.
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Nov 9, 2012 2:04 PMby whatheck,Did you put a passcode lock on the iPhone or a SIM Lock?
If it's a passcode lock and you can't remember the passcode, you'll have to restore the iPhone as outlined here -> iOS: Device disabled after entering wrong passcode
If it's a SIM Lock and you can't remember the pin, you'll get three tries before you need a new SIM. You shouldn't have to restore, but if you do, you may be able to pop the SIM out and then restore the iPhone.
