A21s data poor and not continuous

[subbu29]

Me give Galaxy A21s 3 day,s ago, this phone data poor and not continuous.

[Samsung_Support5]

Dear Samsung Member,

Greetings from Samsung Customer Support!

Please perform the below mentioned steps to resolve the issue:

* Check network operator settings
Settings > Connections > Mobile networks > Network operators > Select automatically > OK > Registered on network.
Note: We recommend to set device network operators as LTE/3G/2G (auto connect) mode.

For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support

[subbu29]

we are your sending information check, but my problem are still now.
plz help.