» Airtel
An Imei number is supposed to be 15numbers so you add any random 4 digits and you generate the last number using imei analyzer.click to Install IMEI ANALYZER from playstore If you are still new to tweaking ,After you have successfully changed your imei you S end JOIN to 141 .You should receive a message and Dial *123*133# to check your balance!Drop your testimonies comment box below...

Lex_kid