1. Rube8514's Avatar
    I have Sprint. iPhone 5 IOS 7.0.6 I have had the phone for about 4-5 months now....no issues until now. Sporadically, I will have no coverage and it will say "Sim Card Invalid" The only way I can clear it is to do a soft reset (power button and Apple button) Then maybe hours or days later, it will pop up again....I have no idea why it is doing this. I have reset the network settings and it still is popping up....any other suggestions?
    03-04-2014 12:43 PM
  2. jburke82's Avatar
    I have Sprint. iPhone 5 IOS 7.0.6 I have had the phone for about 4-5 months now....no issues until now. Sporadically, I will have no coverage and it will say "Sim Card Invalid" The only way I can clear it is to do a soft reset (power button and Apple button) Then maybe hours or days later, it will pop up again....I have no idea why it is doing this. I have reset the network settings and it still is popping up....any other suggestions?
    Maybe some of these steps will help you:

    iPhone: Troubleshooting No SIM
    03-04-2014 02:10 PM
  3. Rube8514's Avatar
    I have done all but completely restore....still having the same issue. I am trying to wait until the 7.1 release in hopes that it will fix it...
    jburke82 likes this.
    03-05-2014 07:56 AM
  4. dream weave's Avatar
    Pull out your sim and wipe off, re-seat it. Fixed mine first week I had mine. Even the factory installed.
    03-07-2014 02:11 PM
  5. Rube8514's Avatar
    Pull out your sim and wipe off, re-seat it. Fixed mine first week I had mine. Even the factory installed.

    Just tried it.....time will tell...
    03-12-2014 10:54 AM
  6. rayz336's Avatar
    I have Sprint. iPhone 5 IOS 7.0.6 I have had the phone for about 4-5 months now....no issues until now. Sporadically, I will have no coverage and it will say "Sim Card Invalid" The only way I can clear it is to do a soft reset (power button and Apple button) Then maybe hours or days later, it will pop up again....I have no idea why it is doing this. I have reset the network settings and it still is popping up....any other suggestions?
    If nothing else works, maybe get another SIM from Sprint
    03-12-2014 11:00 AM
  7. Highrisedrifter's Avatar
    I had the same issue with my iPhone 5. The only thing that fixed the issue was swapping the sim for another one from my carrier.

    Strangely I have had exactly the same issue with my HTC One too, so I wondered whether it was something else in my environment doing it. It's not happened for months so I guess if it was environment based then that particular variable has been removed.
    03-21-2014 08:35 AM

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