Helvin REQUIREMENTS: 1. A rooted android phone but if your phone is not rooted click here to root it. But if you feel lazy about rooting your phone, just proceed because it also works on unrooted phones. 2. An airtel simcard 3. A pen and a book 4. Patience and your brain If you have the above mentioned then copy this imei 359005051 and then add any six figures to it. As for me when i added six figures to it, i got 359005051685425. After you have followed the below PROCEDURES Reboot your phone and wait for configuration settings to arrive then text smart to 141 and your 200mb woulb be given. Dial *141# and then press 1 to check your data. You can generate as many imei and activate on different airtel sim cards. If you are still finding it difficult to generate this imei then scroll down to the ending of this page because i would be posting over a dozen imei's. PROCEDURES: 1. First of all click here or here to download and install Mobileuncle MTK tool if you don't have it. 2. Open the mobile uncle tool and scroll to Engineering mode (MTK) and click it. 3. Click on CDS information 4. Click the Radio information and you will get phone 1 and phone 2. Depending on the sim imei you wish to change, phone 1 is sim 1 and phone 2 is sim 2 5. To change sim 1 imei number, touch phone 1 and in the popup, touch the AT 6. Once you touch the Key board will pop up. In the key board you type any single letter and cancel only the letter you have type. Immediately you can notice the scribes that is required for you It looks like AT EGMR=1,7"" 7. Click the first row and after 7 you can notice the simple "" delete the last inverted comma and type the imei number you generated 8. Verify the typed imei numbers, then close the inverted commas " 9. Click the SEND AT COMMAND 10. Once the pop up display indicates AT command successfully send. 11. Reboot your phone and wait for the configuration settings to arrive, text smart to 141 To change back your imei to your original imei that came with your phone, just repeat the above procedure using your original imei number