SIM card

SIM card provides all user identification functions on the network, subscriber authentication SIM card provides all user identification functions on the network, subscriber authentication SIM card

SIM card - a subscriber identification module that provides subscriber access to operator's communication services and is necessary element any phone of GSM, UMTS, etc. standards

A SIM card is a miniature plastic card with a chip that contains all the necessary data related to the subscriber's powers and the communication services provided to him.

Each SIM card has its own personal international identification number IMSI.

IMSI(International Mobile Subscriber Identification) is unique for each SIM card, contains 19 characters. When registering online, mobile terminal sends the IMSI to the switch, and this identifier is used to determine the authenticity of the subscriber.

The main function of the SIM card:

Identification of the subscriber in the operator's network. It is the key to the provision of all services;

subscriber authentication. It is carried out using an individual authentication key (Ki) and an authentication algorithm (A3) stored on the SIM card;

communication with the base station.

The SIM-card is issued to the subscriber at the conclusion of an agreement with the operator cellular communication. Serial number of the issued SIM card is indicated in the registration form and other documents (invoice, supplementary agreement). The serial number consists of 19 digits, which are indicated on the SIM card itself.

The SIM card may contain special programs – additional applications, which are installed during manufacture, for example - STK - menu.

The SIM card can be used with any model of a mobile terminal of the GSM, UMTS standard, while the subscriber's telephone number remains unchanged.

If the SIM card is lost, the subscriber must notify the operator, the lost SIM card is blocked, and the subscriber is issued a new card, usually this service is paid. The subscriber number, personal account balance and all connected services remain unchanged.

Also, the SIM card can store Additional information, for example, the subscriber's contact list, SMS texts, fixed dial numbers.

In order to access the SIM card, you must:

1. Insert the SIM card into the mobile device.
2. Turn on mobile device.
3. Enter PIN1 code and confirm - press OK. If after a few seconds the display mobile device the operator's designation (alphabetic or numeric) will appear, which means that the SIM card has registered in the network and is ready for use.

The following variants of letter and number designation of velcom operator are possible:

· VELCOM

· VELCOM-BY

· VELCOM-01

• 257 - 01 (network code of velcom operator)

Information about PIN/PUK codes

To protect against unauthorized use of a subscriber's phone, when a SIM card is issued, it is assigned 2 pairs of codes: PIN1/PUK1 and PIN2/PUK2.

PIN1(Personal Identification Number 1) - personal identification code 1, which protects the SIM card from unauthorized use, initially consists of 4 digits.

If the SIM card is not installed in the phone, or if the correct PIN1 code is not entered, the phone cannot make any calls in cellular network, except for the call emergency services(number 112).

PIN1 code can be changed and any combination can be selected 4 to 8 digits. Through the menu of the telephone set, you can cancel the request for entering the PIN1 code when switching on.

Attention!

After 3 consecutive incorrect PIN1 attempts, the SIM card will partially blocked. To unblock the PIN1 code, you must enter the PUK1 code through the telephone set menu or by pressing a special key combination (see the instructions for using the telephone set).

PUK1(Personal Unblocking Key) - personal unlock code 1, consists of 8 digits and is used to unlock PIN1. PUK1 cannot be changed.

To unlock your Motorola/Sagem phone, you must first dial **05* before entering the PUK1 code.

Attention!

After 10 attempts in a row to incorrectly enter the PUK1 code, the SIM card will completely blocked. In this case, the subscriber needs to personally apply to the Center for Public Relations or official attorneys (deputies) to purchase new SIM card(for a fee), while the contract, the subscriber's phone number, the balance of the personal account and all connected services remain unchanged.

PIN2(Personal Identification Number 2) - personal identification code 2, contains 4 digits. Required to access some additional features, which are available in the menu of the telephone set (for example, setting/removing the fixed dialing). After 3 consecutive attempts to enter an incorrect PIN2, access to the specified functions is temporarily blocked.

PUK2(Personal Unblocking Key 2) - personal unlock code 2. It also consists of 8 digits and is used to unlock PIN2. To unblock PIN2, you must enter PUK2 through the telephone set menu or by pressing a special key combination (see the instructions for using the telephone set). After 10 consecutive attempts to incorrectly enter PUK2, access to some additional functions is blocked mobile phone, in most cases, replacement of the SIM card is not required if the subscriber does not need access to these functions.

When registering a client connection, as well as when providing the SIM card replacement service, an employee of an attorney (deputy) is obliged to convey to the client information about PIN / PUK codes, as well as about the rules for unlocking PIN codes (see Appendix 1, memo on PIN/PUK codes).

Changing PIN codes is possible:

• through the mobile phone menu:

open the "Settings" or "Options" section, then go to the "Security Settings" or "Protection" section, open the "Change PIN" section, enter (and confirm) a new PIN

to change PIN1 on mobile SLT keypad:

dial **04*

enter an existing PIN1 and *

enter a new PIN1 and *

enter a new PIN1 and #

to change PIN2 on mobile SLT keypad:

dial **042*

enter an existing PIN2 and *

enter a new PIN2 and **

enter a new PIN2 and #

Unblocking PIN-codes is possible:

• when PUK1 is requested by the telephone after PIN1 entered incorrectly three times:

enter PUK1 and press confirmation key, enter new PIN1 and press confirmation key, enter (confirm) new PIN1

• using standard GSM commands:

to unlock PIN1 on mobile SLT keypad:

dial **05*

enter PUK1 and *

enter a new PIN1 and *

enter a new PIN1 and #

to unlock PIN2 on mobile SLT keypad:

dial **052*

enter PUK2 and *

enter a new PIN2 and **

enter a new PIN2 and #

PIN/PUK codes for the SIM card are issued when connected to velcom network. The subscriber is recommended to keep information about PIN/PUK codes in a safe place, preventing unauthorized persons from accessing them.

When loss of information about PIN/PUK codes, the subscriber can restore it in one of the following ways:

§ call the velcom reference and information service and tell the operator the access code (see Subscriber Dictionary),

§ through Internet-based customer service (CCIS), provided that this service activated,

§ upon application to the Center for Education and Science or from official attorneys (deputies).

Information about PIN/PUK codes is provided free of charge .

Mobile terminal

Mobile terminal It is a transceiver and encoder.

Each mobile terminal has its own unique number IMEI(International Mobile Equipment Identification) - electronic number, which is assigned during the production of the device and consists of 15 digits. It allows the Switch to identify the mobile device each time it accesses base station(for example, when turning on the phone).

IMEI can be specified:

• typing on cell phone keyboard shortcut *#06# .
• on the package above/below the barcode;
• on the phone under the battery;

When selling equipment (mobile phone, modem), an employee of an attorney (deputy) is obliged to check that the IMEI number of the mobile phone matches the one indicated on the box, under the battery cover and stitched into the phone itself. When checking, IMEI must match and be the same. Further, the IMEI of the equipment is indicated in the documents to be drawn up during the sale (in the act of acceptance - transfer, supplementary agreement, warranty card, specifications).

Some telephones have a factory-installed security code that helps protect the phone from unauthorized use, and also allows you to reset existing, user-configured phone settings to factory settings. The security code of the phone is set by the manufacturer and is indicated in the instructions for telephone set(See Appendix 1, TA Security Codes)

Dialing rules

There are several dialing formats for outgoing calls: local, republican, international.

Formats and dialing rules

Dial Format Dial rules Examples Local subscriber number Republican (intercity) 8 0 area code/operator code - subscriber number or 0 area code/operator code - subscriber number 8 0 17 3303030 0 44 7121212 International + country code – area code/operator code–subscriber number, or 8 10 country code – area code/operator code–subscriber number. number or 00 country code - city code / operator code - subscriber. room + 375 17 3303030 + 375 44 7121212 8 10 375 17 3303030 8 10 375 44 7121212 00 375 17 3303030 00 375 44 7121212

Attention!

From the dialing format, the cost of an outgoing call does not depend.

To find out your number in international format (with a prefix code), send a USSD request from your mobile phone *147# call key.

Dial rules

velcom numbers are numbers of the following type:
29 1XXXXXX
293XXXXXX
296XXXXXX
299XXXXXX
444XXXXXX
445XXXXXX
447XXXXXX

To call velcom number, dial:

· from velcom network – 7-digit number, for example, 1ХХХХХХ (direct format);

· from the number of the fixed network of Belarus - the number in the national format, for example, 8 029 1хххххх, 8 ​​044 4хххххх;

from the networks of others mobile operators Belarus:
number in national format, for example 8 029 1хххххх;
number in international format, for example, +375 29 1хххххх; 00 375 29 1xxxxxx;

· from abroad - number in international format, for example, +375 29 1хххххх; 00 375 29 1xxxxxx.

Calls to numbers of other operators, as well as numbers transferred to velcom network from other operators (33 6ХХХХХХ, 29 5ХХХХХХ, 29 7ХХХХХХ, etc.) must be made in national or international format.

You can suspend service for a while or completely refuse it either without leaving your home or when you visit the nearest office with a passport.

In the application for disconnection, indicate the passport number, phone number, the desired date of refusal of the option.

If this is inconvenient, you can use the electronic assistant or simply call the contact center.

Reasons for not using the Internet

ubiquitous transition to wireless communication makes 3G lose ground. WIFI is more convenient and often faster. Most often they refuse to access the network from the phone:

• if the owner is old man, is not interested in the World Wide Web and does not want to pay for accidental keystrokes and accrued traffic;
• if the owner is a child and spends days on the net;
• if you are planning a trip and do not want to pay significant amounts just for “checking your mail”.

How to turn off the Internet on Velcom on the phone?

To refuse service a written application is required, written according to the model established by the company. You can issue it at the Center for Public Relations or with the official partners of the operator.

When visiting the office, it is mandatory to have a passport with you, disconnection or connection can be made only with the consent of the user. Make sure you don't have any debt.

How to fill out an application?

The client fills in the document himself or, if desired, a consultant will help him. Passport details of the client are indicated, an indication of the desire to terminate the contract, contact number, address, contract number, desired date of deactivation of the option, date and signature.

Other ways to disable:

1. USSD command. Getting through to the contact center can be difficult due to the large number of calls. The use of USSD commands is available around the clock, and if necessary, you can reactivate the option in the same way. To disable the option, enter the command *126*1*1# call.
2. Phone call. You can contact the consultant, naming passport data and a desire to refuse the service. Service number 411.
3. ISSA (network service customer service). Access to it is provided to all new users. To set a password, type USSD command*141*0#. Disable the option using prompts electronic system. Changes will take effect within 24 hours after the request is entered.

Read about how to disable the 3G mobile Internet service on your phone and refuse it from various operators.

Operator tariffs

Internet mobile:

Important. If you simply reset the settings without refusing the option, and the service itself is provided by the operator, then the monthly fee will continue to be charged.

The convenience of temporary suspension of services is the ability to resume service at the desired moment on your own. At complete shutdown a new contract is required.

UMTS-900 base stations have been massively placed since this year in the capital. Indoor 3G coverage (in low-lying quarters of the city, buildings in dense urban areas, basement floors) of Minsk is approaching one hundred percent, the operator plans to create a guaranteed connection and a stable connection speed for every home.

All major highways of the Brest and Gomel regions will have access to the technology, five UMTS-900 stations are already operating in Dzerzhinsk. A global upgrade of the entire network is planned for May, which promises to improve reception quality. Completion of the construction of the company's data center is promised in the fourth quarter of the year.

1. The "Pause" service allows the subscriber to temporarily suspend the use of all communication services (voice, SMS and MMS services, Internet, additional services).

2. The "Pause" service is provided if it is provided for by the subscriber's tariff plan.

3. The client can enable/disable the "Pause" service in the following ways:

• using USSD *141*3*5# call (subscribers of a legal entity in the absence of a ban on connecting / disconnecting the service and individuals);
• with help Personal account;
• with the help of ACCA (subscribers of a legal entity in the absence of a ban on connecting / disconnecting the service and individuals);
• by access code (only individuals);
• upon application when contacting the company's sales and service center (hereinafter referred to as the CPS) or the attorney's sales and service point (hereinafter referred to as the PPO).

4. Connection / disconnection of the service is made within 24 hours from the moment the company receives the application or forms the application by any of the available methods.

5. Clients of the company - legal entities if necessary, they can prohibit the independent connection / disconnection of the Pause service by subscribers by submitting a written application to the CPS or PPO, as well as using the Personal Account (access level - administrator).

6. Using the "Pause" service:

6.1. A subscription fee is deducted for the day the service is connected. tariff plan and additional services with daily debiting according to the subscriber's tariff plan, excluding the "Pause" service.

6.2. Starting from the day following the day of service activation, 50% of the tariff plan subscription fee is charged. If a discount is provided for the subscription fee of the tariff plan, 50% of the discounted subscription fee will be charged.

6.3. The subscription fee for additional services in "Pause" is not charged from the day following the day of activation of the "Pause" service.

7. The company has the right to unilaterally change this Procedure by publishing the changes on the official website of the company www.a1.by.

8. In everything else not regulated by this Procedure, the client and the company are guided by the provisions of the contract for the provision of telecommunication services concluded between the client and the company.

USSD requests are simple and fast way receive from the operator mobile communications necessary information. All you have to do is enter the required request on your phone. However, it is simply impossible to remember all of them. So save and use the HF directory with all USSD requests for velcom subscribers.

General information:

Information about the state of the balance at the time of the request
Information about the remaining minutes, SMS, MMS and Internet traffic included in the subscription fee
Information about the amount of the monthly payment, the balance of the amount for paying for the goods in installments and the date of completion of the write-off of contributions
Remaining of included minutes of velcom service international 100/250, remnant of Internet traffic of “ITV velcom” service package
Information about the amount payable on the last issued invoice, for clients working without prepayment
Information about the number of minutes of outgoing calls made within the Closed Subscriber Group (CAG)
The total number of minutes used when calling the "favorite" number (tariff plans "Pair", "It's time for couples")
Ability to quickly disconnect communication services in case of debt
Registration of an unconfirmed payment
Checking the balance of a subscriber of the "Privetik" tariff plan (available to velcom subscribers whose number is assigned as "favorite" by the subscriber of the "Privetik" tariff plan)	*101*Subscriber number Hello#
“Waiting for a call”: the subscriber whose number was specified will receive an SMS notification asking them to call you back with your number.	*131*Company subscriber number#
Replenishment of the account with an express payment card
Change postal address delivery of invoices by e-mail
Repeat invoice for the closed period by e-mail
Refusal to receive invoices

Information and service management:

Operation	USSD request
Information about subscriber's connected services
Information about the list of services available for connection
Phone number and plan information
Tariff plan change
Information about your number in international format
Setting / canceling the ban on listening to ACCA news
Receiving USSD messages in transliteration
Receiving USSD messages in Russian
Setting/cancelling the ban on the use of conditional forwarding in roaming
Connecting minute packages to all networks
"Connected again": all velcom subscribers who called you when you were unavailable or your phone was busy will receive an SMS notification when you are connected again
Providing the opportunity to work without prepayment
Switching to prepaid work
Activation / deactivation of the service "Stopitsot" (available to subscribers of tariff plans "Kedy", "Polukedy")
Activation / deactivation of the service "Anti-detector"
Activation/deactivation of the Melofon service
Connection/change of "favorite" number (not available on the tariff plans "Own network", "BUSINESS.PRO", "BUSINESS.PRO.WEB")
Activation/deactivation of the "Pause" service
Connecting / disconnecting CCIS
Obtaining an ISSA password
Connection/disconnection/change of the package within the framework of the "Director's package" service for the tariff plan Manager+
USSD help.

Mobile Internet and MMS:

Operation	USSD request
Obtaining settings for the Mobile Internet service, MMS, streaming video ("Mobile TV"), all available
Receiving test MMS
Activating/deactivating the Mobile Internet service, changing the Mobile Internet service package, changing/deleting an application for changing the Mobile Internet service package
Enable/Disable MMS
Information about the connected "Mobile Internet" service package and access point
Information about the activated package of the Mobile Internet service, the cost of the package and the date of the next debit of the package cost
Information about the provided static IP address
Enabling/disabling the Anti-Virus service
Enable/disable Firewall service
Activation/deactivation of the "Children's Internet" service
Connection additional traffic on WEB Start, WEB 4, WEB 8, WEB 16
Activation of "Roaming.Vacation", "Roaming.Business" services
Deactivation of "Roaming.Vacation", "Roaming.Business" services
Information about roaming partners
Validity period of Roaming.Vacation, Roaming.Business services

Everyone knows that when a mobile phone is stolen or lost, Sim-ku needs to be blocked urgently. This must be done quickly so that criminals cannot reach their hands on your accounts. However, if the SIM card is planned to be turned off only for certain time, you can use the option to temporarily turn off the number. Today, any, even the smallest Russian television system (for example, Fly and Motive), offers users a similar service. From our review, you will learn how to block a SIM card of any Russian TV system temporarily or completely.

How to block a SIM card if you lost your phone?

To prevent thieves from using your assets, if you lose your cell phone, you need to immediately block the SIM card. This can be done at the nearest branch of your mobile provider. Going to the provider's branch, do not forget to take your passport and paper contract (if any) with you.

Important! When completely turned off, a lost sim card cannot be restored.

To save yourself from unauthorized withdrawal of money from your account, you can use any of the five methods presented. The card can be blocked temporarily or permanently. Someone else's SIM card can be turned off only if the authorized person has copies of the plaintiff's documents and a notarized letter signed by the card owner.

So, you can turn off the SIM card:

• through a call to service number mobile operator;
• at the cellular office;
• through a voice assistant;
• by sending a system request;
• in your personal account.

Attention! To temporarily suspend the work of a SIM card, almost all of the above methods will do. A complete shutdown of the package can only be done at the official branch of the provider.

All Russian TV systems allow you to block a SIM card by calling free number customer support. However, before calling the customer service, prepare your passport in advance and remember the password word that you created when registering on the network. According to the laws of Russian telesystems, any operations with a subscriber account and a sim card can only be performed with the consent of the direct owner:

Support numbers:

• MTS - 0890 (for mobile); 88002500890 (for any devices); +74957660166 (for roaming);
• MegaFon - 0500 (for mobile phones); 88005500500 (for various devices); +79261110500 (for roaming);
• Beeline - 0611 (for mobile phones); 88007000611 (for any direction);
• Tele2 - 611 (single phone); 84959797611 (for various operators);
• Iota - 88005500007;
• Motive - 111 (in the provider's network); 8 800-240-0000 (for various destinations);
• Fly - 8432222222 (single phone number); +7 902 718-22-68 (Whatsapp).

Through the office

Switching off the SIM card can be done in the service department of the operator. To do this, you must have a passport and a paper contract (if any). When contacting any communication salon (whether it be MTS, Beeline, etc.), you are guaranteed to receive high-quality assistance.

Blocking a SIM card through the specified service is available only from the MTS operator. Through the service, you can order the service "Voluntary blocking". After it is turned on, the SIM card becomes inactive, the accrual and debiting of the monthly fee is suspended.

Enabling and disabling the option is provided free of charge. In addition, for the first two weeks, no fee is charged for using the service. In the future, you will need to pay 1 ruble / day for the option. The entire amount will be debited from the subscriber's balance as soon as he turns on his SIM-ku.

• to activate the service, dial 1116 on your mobile phone, and then follow the prompts;
• You can remove the restriction through your personal account, office center or by calling MTS technical support.

This lock is done over the phone, so it won't work if your mobile device is stolen. Only two telesystems, MTS and Megafon, provide this option.

• to turn off the MTS card, send the digital command * 111 * 157 # from your mobile phone. You can remove the restriction in the service department of the provider, in your personal account or by calling the Call Center;
• you can turn off the sim card on Megafon by sending SMS to 0500. SMS should contain the following text: “Please turn off (reason for disconnection), (SIM card number), full name, subscriber's passport data.” Reactivation is carried out through the above services.

You can block Sim-ku on the official website of the operator itself. However, this method of turning off sims online (via the Internet) is only suitable for users registered on the network.

The blocking algorithm will be identical for all mobile operators:

• log in to your profile and press the “Block” button (located in the lower corner home page). If there is no such button, press the "Settings" key and then select the "Lock" key;
• then select the item "Voluntary blocking" and confirm your action.

You can re-enable the SIM card using any of the above methods.