Insert the Airtel SIM into your phone
Restart the phone
Wait for network activation after porting
Check for Airtel signal bars
Make a call or send an SMS to confirm activation
If the SIM shows no network, switch the phone to airplane mode and turn it off after a few seconds
Ensure the porting process is complete and the old SIM is deactivated
Use the Airtel Customer Care number from another phone if activation is delayed
Visit the nearest Airtel store if the SIM still does not activate
Keep your porting confirmation and ID proof ready if support is required