Hope with this screenshot u we be convice enough?
Now To Accumulate Airtel5GB To 30GBUsing Sms Bomber, you need to get or download below Apps Needed : 
*.MTK engineering- For tweaking
*.Imei analyzer - For Imei analyzing 
*.GL Imei Gen- For Imei generation *.Sms bomber- For accumulation of data..

Tutorial : *.To get the airtel 30gb, download GL Imei Gen and learn how use it to generate the remaining four imei in which I we be dropping soon.

.*.Tweak this imei by changing the last 4 digit with imei analyser download imei analyzer and use it to get d last 4 digit. 86114303241**** or use this imei already generated by ultimate
861143032419414 861143032419554 (fast finger)*.Then use the Imei analyzer to analyze it if it is a valid Imei or not. Though it not compulsory, because Gl Imei generation it self generates valid Imei only. *.After that tweak the Imei using MTK engineering.

*.Then after tweaking, you can now use your Sms bomber to accumulate the 5gb to 30gb. How To Use Sms bomber Download Sms bomber, Then fill the provided spaces like below snapshot: That is, *.To : Type 141 
*.# of text : Choose10*
.Delay : Chooseno delay
*.Then click "Send"After all this, you will receive a sucessful message saying :You havebeen sucesfully rewarded 30gb for 60days..... Then dial *223# to check...stay put while I write on how to use GL imei gen