A phone can't make calls without a sim card and if your iphone's sim is locked, it is effectively shut off from the telephone, and so no communication can take place.
New Why Does My Iphone Keep Saying No Sim
Pictures. Check for a carrier settings update. The several causes of iphone no sim card message is complex:
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Let me validate your sim card. It's easy to be solved after a reboot. Push the paperclip or eject tool in firmly towards the device, but do not force it.
Iphone, iphone 3g, and iphone 3gs:
Restart your iphone or ipad. Here are some steps you can take to try to solve this problem: But now this problem can be fixed by simply following the methods explained above. Check for a carrier settings update.
