The system is called "Internet Assistant". To enter it, go to the MTS website and click on the appropriate box. However, just to use the system is impossible, because you need to register. This procedure is fairly quick and not time consuming. The subscriber will need to set a password for your phone number. This can be done by a call to the short number 1118. In addition, available to send USSD-request *111*25#. By the way, remember that your password must consist of a certain number of characters (four to seven).
Now enter all necessary information in the login window (the telephone number without quote eight). You will then be taken to the main menu "Internet Assistant". In the left column you will find under "Subscriptions", click on it. Next you will see a list of all subscriptions. To unsubscribe from any of them, click on the button "Delete subscription".
Keep in mind that the self-service system will help to disable not only membership, but also regular service. To do this, go to another section called "fees and services". Select "Manage services". In front of each of the active service is a button "Disable". Use it to abandon the one that you no longer need.
Deactivate unnecessary services is possible thanks to another online service, "Mobile Assistant". To unsubscribe dial 111 and press call button. By the way, calls the number the money is not charged (but only if you are in your home network).