VIDEO: SIM card is not recognized

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What to do if the SIM card is not recognized

If it happens to you that your phone does not recognize the SIM card, you do not need to worry right away. There are a few simple tricks you can use to solve the problem yourself.

  1. The easiest and first possible measure is of course to restart your phone. Perform such a restart.
  2. If the card is still not recognized after that, you should next check whether the SIM card is correctly seated in its place. If necessary, open the housing of your mobile phone, remove the battery if necessary and see whether the SIM card is firmly in its intended place.
  3. Take this opportunity to clean the SIM card and the contacts of the phone once. Also remove the SIM card from your phone and clean the golden contact surface of the card with a microfiber cloth. You can clean the phone's contacts with an ear swab.
  4. To determine if the problem is with the phone or with the card itself, if possible, insert the card into another cell phone and see if the problem persists. If not, there is a problem with your phone. If so, the SIM card is probably defective. If the fault is with the SIM card itself, the best thing to do is to contact your network provider by phone and request a different card if necessary.
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  5. A possible software error in your mobile phone could be rectified by resetting the device to its factory settings. There is usually a designated point in the settings for this. If you cannot find it, find out where you can find this option for your phone model on the Internet.
  6. If the factory reset remains unsuccessful and the SIM card is not recognized, you should contact the manufacturer of your device.
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