Number. SIM-maps in the settings of the Xiaomi phone: where to find, why you need and how to manage it

Introduction: Why you need a number SIM-maps in smartphone settings

Every owner of Xiaomi smartphone sooner or later faces the need to find out the number of his smartphone. SIM-cards -- whether it's to activate a banking application, set up two-factor authentication, or just to tell a friend (MSISDN) It is more or less clear that other identifiers are ICCID or IMSI It's often a question. Where to look for them? How are they different? And why sometimes the settings don't show the number you expect?

In this article, we will find out what the "numbers" are. SIM-Maps are hidden in Xiaomi menus (including Redmi models, POCO And Black Shark, how to interpret them correctly, and in what situations they might be useful, you'll learn why the operator might not see your number in the settings, how to distinguish the physical ID of the card from the phone number, and what to do if the data is not displayed at all. We will also reveal some hidden functions. MIUI, manageable SIM-profiles without contacting the salon.

What "numbers" SIM-Xiaomi cards are available and how they differ

When users talk about the number SIM-Maps" often mean different things. Xiaomi's settings can find at least three types of IDs, each of which performs a different role:

  • πŸ“± MSISDN β€” This is your normal phone number (for example, +7 9XX XXX-XX-XX). It is the one you tell other people and use to make calls.
  • πŸ†” ICCID β€” Unique 19-20-digit code, "sewn" in the chip SIM-It's used to activate the card on the operator's network and link it to your account.
  • πŸ”’ IMSI β€” The international subscriber identifier used by the network for authentication consists of the country code, the operator network and a unique user number.

It is important to understand that MSISDN may change (for example, when changing the tariff or transferring the number to another operator), while ICCID and IMSI They remain constant until you change your physical. SIM-In the settings. MIUI You can find all of this data in different sections, and we will show you where it is.

πŸ“Š What is the identifier? SIM-You need cards most often?
Telephone number (MSISDN)
ICCID (for activation)
IMSI (technical settings)
I don't know what it is.

Where to find a room SIM-map (MSISDN) in Xiaomi settings

The easiest way to find your phone number is to look it up in the system settings. In MIUI, the path to this information may vary slightly depending on the firmware version, but the general scheme is this:

  1. Open the Settings app (cog icon).
  2. Go to About Phone (or System β†’ About Phone in new versions).
  3. Select Status item SIM-maps or Information SIM-map.
  4. Press the right one. SIM-card (if you have dual-SIM) Here you will see the field My phone number (MSISDN).

If the number doesn't show up or is listed as "Unknown," it doesn't always mean a problem. Here are the possible reasons:

  • πŸ”„ The operator does not transfer the number to the network (often happens with virtual operators like Tinkoff Mobile or Yota).
  • πŸ“΅ SIM-card not activated or blocked (check balance and status in the operator’s personal account).
  • πŸ”§ The network settings have disabled the option to Display my number (see next section).

πŸ’‘

If the number is not displayed, try inserting SIM-card to another phone - if there is also no number, the problem is on the operator's side.

ICCID and IMSI: Where to look for technical identifiers

This data is less common, but it is critical for diagnosing network problems or for transferring numbers between carriers, and can be found in two ways at Xiaomi:

Method 1: Using the About Phone Menu

  1. Go to Settings β†’ About phone β†’ SIM-card status.
  2. Choose the right one. SIM-map.
  3. Scroll down to ICCID (starts with 89) and IMSI (starts with country code, e.g. 250 for Russia).

Method 2: Engineering menu (for advanced)

If the standard settings don’t show data, try the engineering menu:

  1. Open the Phone app.
  2. Enter the combination ##4636##.
  3. Go to the tab Phone Information.
  4. In the SIM Status block, find ICCID and IMSI.
What if ICCID is not displayed?
If the field ICCID empty, which may mean that SIM-The card is not recognized by the phone. Try: 1. Reboot the device. 2. Remove and repaint. SIM-3. Check the card on another phone - if the problem persists, the card is damaged.

Pay attention: IMSI may change when you change the operator or tariff, but only if you receive a new one SIM-If you just move the number (port), IMSI remains the same.

Why Xiaomi may not display a phone number

This is one of the most common problems faced by Xiaomi users, and there are several reasons, and most of them are solved without going to the service center:

Reason.How to checkDecision
Operator does not transmit MSISDNInsert SIM into another phoneCheck with the operator (often with MVNO)
Number display disabledCheck the Settings. β†’ SIM-maps and mobile networks β†’ Additionally.Enable the option to display my number
SIM-card not activatedTry to call or send an SMSActivate through USSD-operator
Firmware problemsCheck out the MIUI version in About PhoneUpdate the system or reset network settings

πŸ’‘

If the number does not only appear in Xiaomi, but works in other phones – the problem is in the firmware or settings. MIUI. Try resetting the network settings in Settings β†’ SIM-map β†’ Resetting network settings.

Especially often, users of virtual operators (for example, Tele2 based on Rostelecom or SberMobile) face a lack of a number, in which case the number may not appear in the settings, but it works properly for calls and SMS.

How to manage rooms SIM-Maps in Dual-SIM phones Xiaomi

Xiaomi models with two support SIM-Cards (e.g. Redmi Note 12 Pro)+ or POCO X5 Pro) allow for flexible prioritization of calls, SMS And the mobile Internet. That's what you can set up:

  • πŸ“ž Default calls: Choose which one SIM will be an outgoing call unless otherwise stated.
  • πŸ’¬ SMS Default: Set up which number the messages will be sent from.
  • 🌐 Mobile data: select SIM for the Internet (can be included) 4G/5G only on one map).
  • πŸ”„ Roaming: Turn off automatic roaming for one of the SIM, avoiding unnecessary expenses.

To adjust these parameters:

  1. Go to Settings. β†’ SIM-maps and mobile networks.
  2. Select Dual-SIM Settings (or Management) SIM-map).
  3. Set priorities for each card.

Check Dual-SIM support in your model | Select SIM for default calls |Configure SIM for mobile Internet |Configure roaming for second SIM (if not needed) |Check balance on both cards-->

An important caveat: if you use eSIM (in models like Xiaomi 13 Lite), the settings will be slightly different (MSISDN) It may not appear in the status menu. SIM-cards, but you can always check it in the eSIM profile or with the operator.

Security: What can be done with the number SIM-maps in Xiaomi

Knowledge of identifiers SIM-And not only does it offer the possibility of customization, but it also creates the risk:

⚠️ Warning: Never tell anyone outside ICCID or IMSI β€” This data can be used for cloning. SIM-cards or fraud with your number. the operator never requests them by phone or in messages!

At the same time, these identifiers are useful for:

  • πŸ”’ Lockdowns SIM-{{{{{{}}}}}}} ICCID operator).
  • πŸ”„ Transfer of number between operators (required) IMSI).
  • πŸ› οΈ Diagnostics of network problems (the operator may request a IMSI check-in).

If you suspect that your SIM-The card is compromised (for example, stopped coming) SMS with confirmation codes, immediately:

  1. Contact the operator to block the card by ICCID.
  2. Check the active devices in the operator’s personal account.
  3. Change passwords from important services (banks, social networks) tied to the number.

πŸ’‘

V MIUI You can include change notifications. SIM-maps: go to Settings β†’ Memory and backup copies β†’ Security notifications β†’ Shift. SIM-map.

Frequent questions about rooms SIM-maps in Xiaomi

Can I change my MSISDN (phone number) right in Xiaomi’s settings?
No, the phone number (MSISDN) changes only through the operator, either when you change the tariff or when you transfer the number to another provider. In Xiaomi settings, you can only view the current number or hide its display.
Why on the Engineering Menu ICCID It is different from what is written on SIM-map?
It's normal: on plastic. SIM-The card is abbreviated ICCID (Usually the last 4-6 digits, while the settings show the full 19-20 digit code, the main thing is that the first digits match, which ensures that the card is recognized correctly.
How to find out the phone number if it is not displayed in the settings?
There are several ways: Call another phone, your number will appear on its screen. Send an SMS with the word numer to your carrier's short number (for example, 0880 for MTS or 067405 for Beeline). Check the number in your personal account on the operator's website.
Can we copy it? SIM-map, knowing her ICCID and IMSI?
Technically possible, but requires specialized equipment and access to the operator's database. SIM-If you don't know the ID, you can't clone it if you don't know the ID, but you can never share it online or over the phone!
Why After Updating MIUI number stopped showing SIM-map?
This is a well-known problem with some versions. MIUI 13/14. Solutions: Reset network settings in Settings β†’ SIM-map β†’ Reset network settings. Update firmware to the latest stable version. If it doesn't work, reset to factory settings (be sure to back up your firmware!).