On the old iPhone, open the Airtel Thanks app
Go to the eSIM section
Select the option to transfer or replace eSIM
Request a new eSIM for the new iPhone
Verify the request using the OTP sent to your Airtel number
Wait for Airtel to deactivate the eSIM on the old iPhone
On the new iPhone, go to Settings
Tap Cellular or Mobile Data
Tap Add eSIM
Choose Use QR Code or Enter Details Manually if provided by Airtel
Scan the QR code sent by Airtel or enter the activation details
Follow the on-screen prompts to complete activation
Restart the new iPhone if required
Confirm that Airtel network signal and data are working on the new iPhone