Why Sim Card Doesn T Work. Please take the SIM card out use Tray Eject Tool if needed and restart the phone. Insert the SIM card again.

Then consider the options above and look into whether for instance you need to. It just needs repositioning or even a little dusting. I havent had to use the online switch system for close to five years now and I have switched phones over a dozen times since.
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It just needs repositioning or even a little dusting. You can also try paying with a mobile wallet such as Apple Pay or Google Pay. Typically the SIM is underneath the battery or in the side of your phone but its best to check with your cell phone manufacturer for instructions. The system is told by the SIM card which phone model you are now using.
