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:
- π± 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.
- π 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.
- π’ 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.
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:
- Open the Settings app (cog icon).
- Go to About Phone (or System β About Phone in new versions).
- Select Status item SIM-maps or Information SIM-map.
- 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:
- π The operator does not transfer the number to the network (often happens with virtual operators like Tinkoff Mobile or Yota).
- π΅ SIM-card not activated or blocked (check balance and status in the operatorβs personal account).
- π§ The network settings have disabled the option to Display my number (see next section).
π‘
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
- Go to Settings β About phone β SIM-card status.
- Choose the right one. SIM-map.
- 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 donβt show data, try the engineering menu:
- Open the Phone app.
- Enter the combination ##4636##.
- Go to the tab Phone Information.
- In the SIM Status block, find ICCID and IMSI.
What if ICCID is not displayed?
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 check | Decision |
|---|---|---|
| Operator does not transmit MSISDN | Insert SIM into another phone | Check with the operator (often with MVNO) |
| Number display disabled | Check the Settings. β SIM-maps and mobile networks β Additionally. | Enable the option to display my number |
| SIM-card not activated | Try to call or send an SMS | Activate through USSD-operator |
| Firmware problems | Check out the MIUI version in About Phone | Update the system or reset network settings |
π‘
If the number does not only appear in Xiaomi, but works in other phones β 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:
- π Default calls: Choose which one SIM will be an outgoing call unless otherwise stated.
- π¬ SMS Default: Set up which number the messages will be sent from.
- π Mobile data: select SIM for the Internet (can be included) 4G/5G only on one map).
- π Roaming: Turn off automatic roaming for one of the SIM, avoiding unnecessary expenses.
To adjust these parameters:
- Go to Settings. β SIM-maps and mobile networks.
- Select Dual-SIM Settings (or Management) SIM-map).
- 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:
β οΈ 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:
- π Lockdowns SIM-{{{{{{}}}}}}} ICCID operator).
- π Transfer of number between operators (required) IMSI).
- π 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:
- Contact the operator to block the card by ICCID.
- Check the active devices in the operatorβs personal account.
- Change passwords from important services (banks, social networks) tied to the number.
π‘
V MIUI You can include change notifications. SIM-maps: go to Settings β Memory and backup copies β Security notifications β Shift. SIM-map.