you must have all heard about this plan..You can subscribe by dialing *440*16#..I've been using this for a while now but I've discovered something the mb easily zaps on android phone compared to BlackBerry phones..but I've found a way to fix this.
DONT MAKE ANY CHANGES IN YOUR APN
Just tweak this imei:356760051192242
restart your phone
HOW TO TWEAK IMEI
download mtk engineering mode app...
follow this instructions
open thep app
click mtk settings
swipe right to connectivity
open cds information
after that open radio information
click the phone which your airtel sim is in like phone 1 is sim 1 while phone 2 is sim 2
after u av chosen the Sim..where u see AT+ .type E in front den click AT+EGMR=""
in the quotations write in btwn them the imei u want to tweak...and leave a space before the equal sign like this AT+EGMR ="the imei"
restart the phone