We apologize for the inconvenience you are facing. We understand your concern and will help you resolve this. Kindly follow the below steps to resolve your issue:
Check device network mode settings Please follow the below steps.
Step1: Navigate to apps screen and tap on Settings. Step2: Tap on Connections. Step3: Tap on Mobile networks. Step4: Tap on network mode SIM1 or SIM2. Step5: Select network mode.
Note: We recommend to set device network mode as LTE/3G/2G (auto connect) mode.
Check network operator settings Kindly set device network operator as "Automatically".
Please follow the below steps.
Step1: Navigate to apps screen and tap on Settings. Step2: Tap on Connections. Step3: Tap on Mobile networks. Step4: Tap on Network operators. Step5: Select automatically. Note: We recommend to set device network operators as LTE/3G/2G (auto connect) mode. Step6: Tap on OK. Step7: Registered on network.
In case the issue still occurs. Please register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report).
I didn't understand that my device s21 ultra from AT&T..But don't come new update. last update came August 2022.... Now What to do??? Please help me...
