1. Kapang's Avatar
    I've just upgraded my 4s to the iOS 7 but now it says that it no SIM card is installed.
    I've rebooted several time the phone and even removed/inserted the SIM card but nothing happens.
    Can anyone help with this one?

    Thank you.
    12-24-2013 04:28 AM
  2. Just_Me_D's Avatar
    Some people have found that turning on Airplane mode and then turning it off rectifies the problem. Give it a try. It may work for you. Anyway, Merry Christmas to you and your family...
    Chargehammer likes this.
    12-24-2013 10:06 AM

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