I have bought my Galaxy M51 phone in April 2021 from an authorized dealer, and I had no issues for the first month, using One UI 3.0 Android 11
Ever since I updated My phone to One UI 3.1, my handset does not recognize any SIM from my provider , and ...
But my SIM works without issues in other devices with One UI below 3.0, and other non Samsung-android devices, I'm currently using my SIM from a cheap Tizen phone
When I opened the Mobile Networks menu before factory reset, none of the settings were accessible, the options were faded and locked.
After factory reset, the mobile networks option is itself not available, WIFI calling feature is also not seen anywh...
