how to stop corono caller tune for jio, airtel, vodafone, idea, bsnl

If you want to remove corono caller tune/normal caller tune. 

 Do the following:

Jio - STOP - [ 155223] (SMS)

AIRTEL - *646*224# ( DIAL AND PRESS 1)

BSNL - UNSUB 56700 OR 56799 (SMS) 

IDEA - STOP 155223 ( SMS OR CALL)

VODAFONE - CANCT 144(SMS) 

Corono caller tune be stopped for some sims but it actually works to stop the caller tune that you have already set for the sim.