For Prepaid subscriber...
-To know your balance Dial * 111 #
-To Recharge your balance using recharges cards.
# Password consisting of 13 square * 112 * (from left to right)
Expire period will be added to the previous period.

 Getting PUK number for postpaid and prepaid system ...
-Enter the code number recorded on your sim card (note that you have to neglect the first five digits from the left).
Example: The number recorded on the card is: 8921801000000123456
The number required is: 01000000123456
Click the OK.