Go to the website mts.ru and click on "my account". If you do not pass the check, you must obtain a username and password, following the actions which the operator will receive the required data. Open the "Internet Assistant" in your account menu. Select "Manage services", with which you will be able to see a list of connected services of MTS, who will have a table with division into paid and free. The disconnection or connection of services is made with one click on the corresponding row of the table.
Use of a single reference service of MTS, by calling 8 800 250 0890 (in the range of a network call is free). Tell the operator the passport details and request a report about the connected services. Next you will get to your number by your active options. Also a list of the services activated on MTS can be found in the nearest office of the operator, by referring to his employees.
On your phone, dial a special command *152*2# to check the services on MTS. You will receive SMS-message with information about current options and statistics for monthly payments.