Open the Airtel Thanks app
Go to the Hello Tune or Wynk Music section
Select the active Hello Tune
Tap Deactivate or Stop Hello Tune
Confirm the deactivation
Send an SMS with STOP to 543211
Wait for the confirmation message
Call Airtel customer care at 121
Request deactivation of Hello Tune
Use the Airtel self-care portal
Log in with your Airtel number
Disable the Hello Tune service from the music or value-added services section