network settings problem

[MGDragon]

I am a Samsung M30s user ,, I am facing an issue that my phone has going unavailable  network status in offline no call are coming  on kepting it for 1 hour r more and it gone to like flit mode for others ,when others tries to call me ,,, please anyone can help me to fix the problem 

[ANDROIDSWARUP]

please restart your device and re mount the SIM card

[AMPK]

Try manual search of the network and try

[indiantrueindian]

you dont need to worry dont belive on the network lines you can get more speed than re**me and xi***mi and all other devices at same time Same network operator i have already cheked it

[MGDragon]

Thank you all for helping me

[Samsung_Support1]

Hi there,

We would suggest you to follow the mentioned steps to resolve the issue:

1) Ensure that network frequency of your device is selected on Auto-mode.

Settings > Connections > More Networks > Mobile Networks > Network Mode > Select Auto mode (GSM/WCDMA/LTE)

2) Search for the Network Manually by the steps as mentioned:

Settings > Connections > More Networks > Mobile Networks > Network Operators > Select Manual Search. 

3) Check via another SIM card in the device.

4) Reset network settings (Settings > General Management > Reset > Reset network settings).

Note: Kindly once coordinate with the network service provider.

If still issue persists, kindly visit nearest service center for physical inspection of your device. Service center personnel will provide you the further resolution.
Follow the link mentioned below-
http://www.samsung.com/in/support/servicelocation/

Regards,
Team Samsung Members