This Is Not A trick But Can be Used As a Trick or Free Hellotune Iam using This about 3 months.
1.Keep Your Balance 2 rupees or 3 rupees(it will deducted for HelloTune)
2.First U call 578785 for activate the hello tune. Then it will deduct your balance and hello tune will be activated instantly for days.
3.After 6 days it can be deactivated so u should change ur Tune everyday by doing.
4.Sms required Song or song Name by message.
5.Sms Tune name/film name to 543215(u can change ur hellotune for unlimitted times a day).
6.The Hellotune will be stay everyday with you.
7.It should be noted that if u Recharge Your sim it will be deducted. so deactivate hellotune By Dialing *121# before Every recharge.
8.If u want A series Of Random(up to 15 songs) songs then just Go the Link below through OPERA.https://www.airtel.in /airtellive/home