im facing network error issues

[prasanna01]

Im using samsung s20 plus whenever i switche off on switche on the mobile  im facing some network error on the popup window  im using airtel network can any one help me out this 

[Abpal]

Is it something like, "unable to request handset configuration" ?

[prasanna01]

no its showing some kind of error number on network and saying that error

[Abpal]

You should contact Airtel regarding this issue.

[Kawsar4s]

Restart your phone or chane your sim card

[AMPK]

Try reinstall the SIM card.

[prasanna01]

how to do that

[AMPK]

switch off the mobile take the SIM from tray and insert again and restart.

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We apologize for the inconvenience caused to you and to resolve network issue please follow below given steps:-

1. Check network operators and select automatically (Settings> Connections> Mobile Network>Network operator> select automatically > Tap on OK > Registered on network).

2. Reset the device: settings >General Management > Tap on Reset.
Note: Before reset make sure to have back up of the data via Smart Switch Mobile App
(Install Smart Switch App > Open > Click on Memory Card Icon >Back Up option > Choose the data for Back up > Back Up).

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.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support