1. Check your device in open network area and set the auto network mode (Scroll down notification panel > Setting > Connections > More Networks > Mobile Networks > Network Mode > Select auto Mode (GSM/WCDMA/LTE).
2. Kindly restart the device and then check.
3. Open setting > Connection > Mobile Networks > Access Point Names > Select the SIM > tap on three dots > Reset to default > Reset.
4. Kindly check with other SIM.
5. Reset network settings (Scroll down notification panel > Settings > General Management > Reset > Reset network settings).
For further assistance, register your concern in Samsung members app(Open Samsung members app>click on “+“icon>send feedback>Error report/ Ask Questions).
