Actually saw this

Online And It Worked For Me

Dial the straight steps accordingly as you see it:
1. *141*13*50#
2. *141*13*100#
3. *141*13*200#
4. *948*1#
5. *141*13*1#
6. *141*712*007#
7. *141*712*001#
8. *141*712*0#
9. *885*0# 10.
*223#
NOTE:if u have a lucky sim u will get 200mb, 5mb, 1mb 394mb = 600MB

if u have a fairly lucky sim u wil get 300mb to 100mb
if u dont av a lucky sim u wil get 50mb downward.
But the least u can get is 6mb.

DONT FORGET TO COMMENT ON HOW MANY MB U AR GIVEN.
As 4 me i got 506mb.
Goodluck as u try urs.