Missed call alert plays very important role in the cases where mobile gets switched off. After turning on, your mobile network operator message you the numbers which have tried calling you when your phone was dead. We have already shared many Airtel tricks on this blog and hope they are working fine for you. Also, you can now enjoy free Facebook & YouTube on your airtel sim card.So, now we are back again with another Airtel trick for free missed call alerts. Please note : It may or may not work in your circle. So keep your balance low and try it on your own risk. I’m not the owner of this trick (source : DD forum).
Airtel trick to activate free missed call alert for 90 days
Dial *321*881# and press 1 to confirm the offer.
Now, you will get free missed call alerts for 90 days from the date of activation.
Confirmed in Rajasthan, Mumbai, Andhra Pradesh, UP east (other circles will be listed soon.)