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Aug 15, 2014 10:48 AM in response to wndrlxsttby alex_h1,Hello wndrlxstt,
Thanks for using Apple Support Communities.
Please follow the steps below to troubleshoot the No Sim installed error.
- Update your iPhone to the latest version of iOS.
- Toggle Airplane mode On and Off.
- Try turning iPhone off and then on again.
- Check for a carrier settings update. Tap Settings > General > About. If an update is available, a prompt will appear.
- Remove the SIM Card and verify that it is a valid, carrier-manufactured SIM. Also verify that it is not damaged, worn, or modified. Then reinsert it.
- Restore the iPhone.
If you still are unable to resolve this issue, contact Apple support for further assistance.
iPhone: Troubleshooting No SIM
http://support.apple.com/kb/TS4148
Take care,
Alex H.
