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iPhone Hardware and Accessories Discuss iPhone hardware

iPhone 4 no longer a phone!


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cheddar-caveman

 
Member Since: Jan 10, 2012
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My wife's iPhone 4 has stopped working as a phone, everything else works fine. It keeps giving a "simcard error" message. She has gone as far as doing a factory reset but that did not solve the issue!
Any ideas please?
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MBP17•David

 
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Couple of things you might want to check, basically eliminating one unknown component at a time:
  • Have you confirmed with the network that the card has not been de-activated, expired, etc?
  • Does the SIM card work in any other phone?
  • Have you tried a different SIM card in the same iPhone?
  • Was the iPhone unlocked, and if yes - was it by the network and/or Apple, or by someone else?
  • If it was unlocked, and not by Apple, have you updated the iOS recently?

That's besides a few simple/obvious ones, like:
  • Was there a liquid spillage?
  • Can you still eject the SIM card holder from the phone?
  • Has the phone been dropped?
  • Try to remove the SIM card, clean & reinsert
  • Set cellular provider to automatic, then to manual, making sure the correct network is selected, then back to auto
  • What do you hear when you try to call the SIM number?

Dvid
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rabbitjetta

 
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Try removing and reinstalling the sim card. I have had that happen a few times with my 5C and it fixed it.
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