sim card not working
my mobile number not working other mobile phone. mobile number working only my iPhone.
help me
iPhone 12, iOS 15
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Ok, in that case I don't understand your problem exactly.
If you are saying your SIM does not work in an iphone then Go through the various suggestions in the support article below but if they don't help, and your network carrier can't help, then contact Apple Support for further investigation.
Support article:
https://support.apple.com/en-us/HT201415
If the SIM does not work in your other phone and it is android we can't help except to say check both phones are not locked to a different carrier.