network

[Rokun]

Network services is poor on samsung M40. Wifi connection working good but sim network doesn't work properly in 3G/4G . Is anyone facing this problem? 

Any solution here?

[Samsung_Support5]

Hi there,
Please note that device speed may vary based on multiple external factors. Kindly follow the mentioned steps to resolve the issue in your device.

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

Menu>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:

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

3) You may check by exchanging the SIM in SIM slots.

4)  Insert different SIM card in your mobile and check if the issue is resolved or not.

If still issue persists then we would suggest you to contact your service provider.

Regards,
Team Samsung Members