How to Get The Offer :- Maintain 0 Balance or low balance in your Prepaid Docomo Sim Card. Now Dial Ussd code - Hidden Content: **Hidden Content: You must click 'Like' before you can see the hidden data contained here.** You will instantly Get 350 MB 3G Data For Free ! Get Unlimited Free Data :- To get unlimited Free Data Keep dialing the above Ussd code again and again. Everytime you will be credited 350 MB data. Means If you Dial it 10 Times you will get 3.5 GB Data and So on.