I would try restoring the phone in recovery mode. This will not allow you to make a backup, so anything you are not up to date on will be lost. iPhones don't store contacts on the SIM card. They store it in the internal memory.
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To do this, plug your phone into a USB port. Then press the power and home button at the same time to reset the phone. Once this is done and at the Apple screen let go of the power button and keep holding the home button. The phone will be in recovery mode.
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Try restoring the phone in [https://www.ifixit.com/Guide/iDevice+Recovery+Mode+Restore/16507|Recovery mode] to see if the problem clears itself up. You will lose your data since this doesn't allow you to make a backup of your device, but it will get the phone working again. Get the phone working to the point you can make a backup if at all possible. As far as your contacts go iPhones don't use the SIM memory; they use the internal phone memory.
I would try restoring the phone in recovery mode. This will not allow you to make a backup, so anything you are not up to date on will be lost. iPhones don't store contacts on the SIM card. They store it in the internal memory.
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To do this, plug your phone into a USB port. Then press the power and home button at the same time to reset the phone. Once this is done and at the Apple screen let go of the power button and keep holding the home button. The phone will be in recovery mode.
I would try restoring the phone. This will not allow you to make a backup, so anything you are not up to date on will be lost. iPhones don't store contacts on the SIM card. They store it in the internal memory.
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I would try restoring the phone in recovery mode. This will not allow you to make a backup, so anything you are not up to date on will be lost. iPhones don't store contacts on the SIM card. They store it in the internal memory.
I would try and restore the phone. Be warned you will lose everything you never backed up, though. iPhones don't store contacts on the SIM card, so anything that isn't backed up is a loss.
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I would try restoring the phone. This will not allow you to make a backup, so anything you are not up to date on will be lost. iPhones don't store contacts on the SIM card. They store it in the internal memory.
Restore it and see if that helps but be warned it wipes all of your memory not stored on the sim(subscriber identity module) card.
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I would try and restore the phone. Be warned you will lose everything you never backed up, though. iPhones don't store contacts on the SIM card, so anything that isn't backed up is a loss.