Check that your phone supports 5G
Update your phone software to the latest version
Insert an active Airtel SIM in the 5G phone
Ensure your Airtel plan is 5G-enabled
Go to phone settings
Open Mobile Network or SIM settings
Select Preferred Network Type
Choose 5G/4G/3G/2G or 5G Auto
Turn on Mobile Data
Move to an Airtel 5G coverage area
Restart the phone if 5G does not appear
Contact Airtel customer support if 5G is still unavailable