7 ways to troubleshoot if your phone's SIM card isn't working

If you can't make a call or if you see an error message that your phone's SIM card is not working, there are several ways to ...

How to remove the SIM card from your Samsung Galaxy S10 to replace it or perform troubleshooting

You can remove the SIM card from your Samsung Galaxy S10 using the SIM removal tool that came with your phone, or a very thin ...
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How to Remove the SIM Card From an iPhone or Cellular iPad

All iPhones and iPads with cellular have a slot on their sides that houses the Subscriber Identity Module (SIM) card provided by your mobile carrier. The SIM card enables your device to access the ...