Cellular issue after updating iphone 12 to IOS 16, not able to make or receive calls, Apple support team not supporting
I have been using iphone 12 since 1.3 yrs and yesterday updated it to IOS 16, since then all features are working but my sim/carrier is not accepted by phone hence not able to make or receive calls, i have been in problem but no ones helping out here , went to Apple authorized service center but they hay that it will now require mother board change. please help regarding same
iPhone 12, iOS 16