Even after inserting the SIM card properly, you may see the error message NO SIM Card Detected. This video shows how to fix no sim card issues, sim card failures, invalid sim errors on android devices. Go to Settings - Apps/Application Manager - Sim Toolkit - Storage - Clear Data
Now Reinsert your sim and Restart your phone!

If SIM Toolkit is missing from your application manager, sim toolkit might be available there with your sim carriers name like airtel
It might be working, if it doesn't please let's know ### If the methods above do not work, then please try these1- Please remove the sim card and wipe the sim card and sim slot cleanly. Reinsert 2- Check if the same SIM works on any other phone :-)

Team Iviewgle

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