This service allows you to check the balance as well as the remaining time limit by sending SMS messages. To get information, you no longer need to call the Call Center, just send SMS messages to the corresponding number:
 

SHORTENED NUMBER BRIEF DESCRIPTION OF THE SERVICE MESSAGE TEXT SMS COST
101 Balance. Current Balance Information empty Free
102 Limit. Remaining Time Limit Information empty Free
104 Internet Limit. Information about the remaining Internet limit. empty Free
SMS and USSD commands Mobile assistant
Calls to other countries