100% Bonus on 75MB. BUY Now is the time to share your favorite moments with your friends and family. because Grameenphone is giving 100% bonuson 75MB data. To activate dial*5000*183# and start enjoying.Terms and conditions. 100% bonus volume is valid for 3 days Bonus volume can be used from 2 am to 12 pm afternoon. Applicable for GP prepaid customers only. After Volume Expiration customers will be charged Tk .01/10KB (till validity exists). Customers will be able to check the database balance by dialing *121*1*2#. The campaign will run until further notice. For details call 121.