HT201337: Remove or switch the SIM card in your iPhone or iPad
Learn about Remove or switch the SIM card in your iPhone or iPad
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Q: why does my phone suddenly say i have no sim card?
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Jan 10, 2014 9:33 AMby norm123,Hello keesia
It is hard to say why it is showing No SIM, but you can troubleshoot the issue with the article below to resolve it.
iPhone: Troubleshooting No SIM
http://support.apple.com/kb/ts4148
Regards,
-Norm G.
