The No SIM card detected error happens due to displaced card position, software issue, or SIM network issue. Considering the different causes of the error, here are ...

If you suspect that the problem is not the SIM card but rather due to a complex system error, contact Samsung Support for other options and official recommendations.

Follow the rest of the instructions to finish the task. Galaxy Note10+ No SIM card detected fix #9: Get help from Samsung Not all causes of SIM card troubles are software-related.