To get the free MTN browsing cheat 7.5gb , that is data bundle of 7.5gb free of charge, follow these steps.
To activate dial *131*2#
> then reply with 5 to change pin > enter 0000 as old pin and
1234 as new pin. You'll receive message that your pin is changed. Now dial *131*3*5*4*3*recipient number*1234#
The recipient will receive 5.0GB + 2.5GB Extra Data. Dail*559*2# to check your mb. - See more at: http://www.nairaman.com/ng/forum/870/get-free-7-5gb-from-mtn#sthash.360IsNzh.dpuf
1. Dial *131*2# then reply with 5 to change the pin
2. Enter 0000 as old pin and 1234 as new pin
3. U will receive a message that your pin has been succesfully changed
4. Next dial *131*3*5*4*3#