This tweak works only on 3g network.i:e it can only work if your network bar show 3g instead of E or G.This tweak works wella on zAIN and CELTAL sim.it might not work on new AIRTEL sim.step1.send 3G to 121 step2.after that you will receive a text.after that select 6 to select (RS.1250 10GB Plan) press1 to confirm activation of 10GB data plan.After that you will get 10GB absolutely free for a month.To check your data bundle balance,dial *141*712*0# you should 10GB HOW TO GET 19GB ON YOUR AIRTEL SIM Step1.send 3G to 121 step2.after that,send REWARDZ to 797 step3:after that,send RD 50MB to 797 to check your bundle balance dial *141*712*0# HOW TO TRANSFER AIRTEL MB 10mb:dial *141*712*11*recipent number# 25mb:dial *141*712*9*recipent number# 60mb:dial *141*712*4*recipent number# HERE IS MY MTN(08166317745) AND AIRTEL(08125305178)INCASE YOU WANT TO SEND SMALL THIGNS ME TWINK