Apologies for the delay in response. However, understanding the criticality of the situation; we had to ensure the wellbeing and safety of our employees which led to the delay in response.
Hope your issue is resolved. In case the issue still persists please follow the below mentioned steps.
1) Check network operators and select automatically (Settings> Connections> Mobile Network>Network operator> select automatically > Tap on OK > Registered on network).
2) Check device in Safe Mode:-Press and hold the Power key, when Power off icon appears>Press and hold the power off icon. To exit safe mode: Restart your device. Note: Your phone will restart after the update is installed. 3) Reset the device and before resetting the device make sure to create data backup of your device via SMART switch mobile application or http://www.samsung.com/in/support/smartswitch pc suite. Settings>General Management>Reset.
If the issue still persist, kindly register your concern in Samsung Members app (Samsung Members app > Get help > Feedback > Error report/ask question). Note: Please send device log files within 15 minutes of issue occurrence along with the exact issue details.
