Increase Your Megabits (MB) Validity For 30 Days 4(Four) Magic Tricks For Grameenphone Only

Now all Grameenphone user can Increase there Megabits (MB) Validity For 30 Days.

Tricks Details:  

•  Firstly you have to dial *111*6*6.
•  Then Switch off your phone for 15 minute.
•  Open the SIM and dial *500*1#.
•  Now wait few minute and then again dial *500*11*1#.
•  Now shut and re-open your phone and then check out the MB period is 30 days.

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