How do you update your APN settings? specifically airtel

[Android Central Question]

Last night,while i was playing games.I was seeing a kind of notice,APN update configuration.So,I tried to install it but unfortunately i typed the wrong pin code.Now it disappeared and im with slow network connection.

 

[Rukbat]

APN settings are in Settings > Mobile Data. One of the settings at https://airtel.apnsettings.io/en should work.