How to change the number SMS-Xiaomi Redmi Center: 3 working methods + mistake-making

Change of number SMS-Xiaomi Redmi may be required in several cases: when messaging fails, after a change of operator or when using virtual devices. SIM-Although most users never experience this need, incorrect center settings can lead to delays in sending SMS, They're duplicated or not delivered at all. In this article, we'll look at unique methods for changing the number. SMS-All Redmi models (including Redmi Note, Redmi K, POCO), work-in MIUI 12-14 and Android 10-14.

It is important to understand that the number SMS-The center is not just a technical parameter, but a critical node in the message delivery chain that determines which operator server your message will be routed through. SMS. In 90% of cases, the number is set automatically when activated. SIM-maps, but sometimes manual adjustments are required, such as when using eSIM or roaming in some countries, we will look at both standard methods through phone settings, and hidden methods through the engineering menu and the Internet. USSD-team.

What is it? SMS-The center and why you need to change it?

SMS-centre SMSC — Short Message Service Center is a mobile operator server that processes and routes your text messages. SMS, It gets to that server first, and then it gets to the recipient. If the center number is incorrect or the server is not available, the messages can be sent to the recipient:

  • 📤 Not to be sent (message not sent")
  • ⏳ Stay for hours or days
  • 🔄 Duplicate (receiver sees one message several times)
  • 🚫 Blocking Spam Filters from Operator

On smartphones Xiaomi Redmi number SMS-The center is usually set up automatically when activated for the first time. SIM-However, in some cases, manual intervention is required:

  • 🔄 Change of mobile operator (especially when switching to mobile phone) MVNO — Virtual operators such as "Tele2", "Yota", "SberMobile")
  • 🌍 Using the phone in roaming abroad
  • 📱 ESIM connection or second SIM-map
  • 🔧 Restore the phone after resetting settings

Before changing the number SMS-Make sure the center is the one that's the problem. SMS If the message does not reach and the Internet and calls work normally, it is most likely to be the fault SMSC. You can also check the current number of the center (we will talk about this in the next section).

📊 How often do you have problems sending? SMS?
Never.
Nearby (1-2 times a year)
Frequently (once a month)
Constantly.

How to find out the current number SMS-centered on Xiaomi Redmi

Before changing the number SMSC, It's useful to know the current value, and it's helpful to get it back if something goes wrong. There are several ways that Xiaomi smartphones can get that information:

Method 1: Through USSD-team

The fastest way is to use a special USSD-Open the Phone app, go to the Keyboard tab and type in:

##4636##

After that:

  1. In the menu that appears, select Phone Information.
  2. Scroll down to the SMSC block, where the current center number will be indicated.

Method 2: Engineering menu (for advanced)

If USSD-The code did not work (on some firmware) MIUI It is blocked, you can use the engineering menu:

##36446337##

On the menu that opens:

  1. Go to the Engineer Mode section (MTK) → Connectivity.
  2. Choose. SMS → SMSC Address.
  3. The current number (or empty field if not configured) will be displayed here.

💡

If the engineering menu doesn’t open, try entering the code through the standard Phone app, rather than through third-party calls like Truecaller or Google Phone.

Method 3: Through Apps from the Play Market

If you are uncomfortable with working with codes, you can install one of the specialized applications:

  • 📲 SMSC Info – shows the current number of the center and allows you to change it.
  • 🔧 SMS Center – a simple tool for viewing and editing SMSC.
  • 🛠️ Network Signal Info – In addition to SMSC Provides information about the operator’s network.

When using third-party apps, be careful: some require a superuser right (root), which may violate the warranty on your Redmi.We recommend trying standard methods first.

3 Ways to Change the Number SMS-centered on Xiaomi Redmi

Now let’s get to the main thing – how to change the number SMSC. We will look at three working methods: USSD-commands, engineering menus and third-party apps. Choose the one that you're most comfortable with.

Method 1: Through USSD-team (the simplest)

This method works on most Xiaomi Redmi smartphones without having to install additional programs. SMS-the center of your operator (you can find it on the official website or by calling in support).

Instructions:

  1. Open the Phone app and go to the Keyboard tab.
  2. Enter a change command SMSC: ##7674766##
  3. In the window that appears, enter a new number. SMS-centre-format +79991234567 (for Russia) or +380XXXXXXXXX (for Ukraine) and click Update.
  4. Reboot your phone to make the changes take effect.

Get a current number SMS-center|Check balance (some operators charge for a fee) USSD-team)|Write down the current number. SMSC kickback|Make sure SIM-card-->

Method 2: Engineering menu (for advanced)

If USSD-The team did not work (for example, on some firmware). MIUI 14 is locked, you can use the engineering menu, and this method requires care, because wrong actions can disrupt the network.

Step-by-step:

  1. Open the phone app and type in: ##36446337##
  2. In the Engineering Menu, select Engineer Mode (MTK) → Connectivity → SMS.
  3. Find a point. SMSC Address and enter a new number in the international format (for example, +79160,000,000 for MTS).
  4. Press Update and restart the phone.

⚠️ Note: Some Redmi models (e.g. Redmi Note 12 Pro)+ 5G) The engineering menu may be missing or blocked, in which case use Method 1 or 3.

Method 3: Through third-party applications (universal method)

If the first two methods didn’t work, you can use specialized apps from Google Play. SMSC Set or SMS Center – They don’t require root rights and work on most Xiaomi devices.

Instructions for SMSC Set:

  1. Install the app from Google Play.
  2. Open it and give it access to it. SMS (necessarily!).
  3. In the main window you will see the current number. SMSC. Press it.
  4. Enter a new number in the format +[country code][number] (e.g, +79851234567).
  5. Press Set. SMSC and confirm the change.
  6. Reboot the phone.

The advantage of this method is that the app shows not only the center number, but also its status (if it is active). SMSC and to switch between them quickly (good for frequent travel).

What to do if the application asks for root rights?
If SMSC A Set or similar application requires root access, but you don’t have it, try: 1. Use other software (e.g., use a different software, "SMS “Center” from another developer). 2. Get root temporarily through Magisk (power users only!). 3. Go back to Method 1 or 2 – they don’t require root. Remember that getting root rights will void the warranty on your Xiaomi Redmi!

Not looking for a number. SMSC manually, we have collected up-to-date data for the main operators in Russia, Ukraine, Belarus and Kazakhstan. Please note that the numbers may vary depending on the region or type of the service. SIM-maps (physical/virtual).

Operator.Country.Number. SMS-centreNotes
MTSRussia+79160000000For the Moscow region. It may be different in other cities.
BeelineRussia+79039999900A single number for all regions.
MegaFonRussia+79260000000For the physical SIM. For eSIM, it may be different.
Tele2.Russia+79509999900Relevant for new tariffs (2023-2026).
kistarUkraine+380674000000For prepaid rates.
A1Belarus+375297000000A single number for all subscribers.

If your operator is not in the table, specify the number SMSC one of the following:

  • 📞 Call in support of the operator (the number is usually listed on the official website).
  • 🌐 Check the "Help" section or "FAQ" operator's website.
  • 📄 In the documents to SIM-map (if retained).

⚠️ Attention: Incorrectly stated number SMS-The center may lead to blocking of shipment SMS Until you get the right value back, always write down the current value. SMSC change!

Frequent mistakes and their solution

When you change the number SMS-We've collected the most common errors and ways to fix them.

Error 1: “Failure to update SMSC”

If, on input, USSD-commands or through the engineering menu you see the message failed to update SMSC, The reasons may be as follows:

  • 🔄 The number is entered in the wrong format (should be in an international format, for example, +79991234567).
  • 📵 SIM-Card is inactive or blocked (check balance and card status).
  • 🔒 The operator blocks manual change SMSC (relevant to some MVNO, For example, "SberMobile").
  • 📱 Firmware MIUI blocked access to the settings SMSC (Resolved by flashing or using third-party applications).

Decision:

  1. Check the format of the number (should start with the + contain the country code).
  2. Try another method (for example, if it doesn’t work). USSD-Team, use the engineering menu).
  3. Install the app SMSC Set and try to change the number through it.
  4. Contact the operator to send the correct settings automatically.

Mistake 2: SMS They are sent but do not reach the recipient.

If messages leave your Redmi (the chat shows a tick), but the recipient does not receive them, the problem may be:

  • 🔄 Number mismatches SMSC with the recipient region (for example, you use the Moscow region). SMSC, a) the recipient in another city).
  • 🚫 Blocking of messages by the operator (relevant for mass mailings).
  • 📡 Network coverage problems (check signal level).

Decision:

  1. Ask the recipient if they are receiving SMS from other subscribers.
  2. Try sending a message to another number (like your second phone).
  3. Change the number. SMSC universal for your operator (see table above).
  4. Temporarily turn off Wi-Fi Calling in the settings SIM-The cards (sometimes they are in conflict with the SMS).

Mistake 3: After the shift SMSC stopped working MMS

MMS (Multimedia messages use the same center as the SMS, But with different settings. SMSC Stop sending photos or videos:

  • 📎 Make sure that the mobile network settings include data transfer for MMS.
  • 🔧 Check it out. APN-settings (path: Settings) → SIM-maps and mobile networks → [yours SIM] → Access points (APN)).
  • 🔄 Return the standard number. SMSC And try to send it. MMS again.

If the problem persists, contact operator support - manual setup may be required MMS-profile.

💡

After the shift SMSC problems, always check the room format and activity first SIM-In 80 percent of cases, the error is right here.

How to return standard settings SMS-centre

If, after experimentation, SMSC messages stopped sending or you just want to return everything as it was, there are several ways to reset the settings:

Method 1: Through USSD-team

Enter in the bell:

##7674766##

In the window that appears, click Reset to Default. Reboot your phone.

Method 2: Through the Engineering Menu

Open the engineering menu (code ##36446337##) and go to the SMS → SMSC Address and clear the field. Save the changes and restart the device.

Method 3: Through resetting network settings

If the first two methods did not work, reset the network settings:

  1. Go to Settings. → SIM-maps and mobile networks → Resetting network settings.
  2. Confirm the reset (save Wi-Fi, Bluetooth devices and mobile network settings will be removed).
  3. After restarting, the phone will automatically tighten the correct one. SMSC operator.

⚠️ Attention: Resetting the network settings will remove all saved Wi-Fi passwords and associated Bluetooth devices!

Additional tips for working with SMS on Xiaomi Redmi

Besides setting up SMSC, There are some useful tips that will help improve the work with SMS on your Redmi:

  • 📌 Disable delivery notifications: If you are annoyed by "Message delivered" alerts, open Messages → Settings → Additionally. → Delivery Notifications and Disable This Option.
  • 🔒 Spam blocking: B MIUI There's a built-in spam filter. To activate it, go to Messages. → Settings → Spam filter and turn on protection.
  • 📤 Exports SMS: To save important messages, use the application SMS Backup & Restore from Play Market. SMS into XML or TXT.
  • 🌐 SMS Wi-Fi: Some Redmi models (e.g. Redmi Note 11 Pro) support sending SMS via Wi-Fi. Activated in Settings → SIM-maps and mobile networks → Additionally. → Wi-Fi Calling.

If you travel frequently, we recommend keeping the rooms. SMSC The main operators are in the phone's notes, which will save time when changing local phone numbers. SIM-It is also useful to know that some operators (for example, MTS and Beeline) allow you to send SMS through their official applications (My MTS, My Beeline), which can be useful in case of problems with the Internet. SMSC.

💡

On smartphones Xiaomi with MIUI 14+ There is a hidden function "Saving mode" SMS". It compresses long messages, breaking them into several parts without losing text. Activated through the engineering menu (section). SMS → Compress Long SMS).

FAQ: Frequent questions about change SMS-centered on Xiaomi Redmi

Can I change my SMSC without root rights?
On most Xiaomi Redmi models, this can be done through the USSD-commands, engineering menus or third-party applications (e.g, SMSC Root rights are only required for some old firmware or custom assemblies MIUI.
Why did SMSCs stop coming from banks?
Bank messages often use special numbers. SMSC, If the center changes, they stop coming. SMS from the bank, return the standard SMSC Ask the bank what number they recommend to use.
How to check which one SMSC second-hand SIM-map?
On two-sim Redmi (for example, Redmi Note 10 Pro) for each SIM-card SMSC. To check the number for the second SIM, enter USSD-#4636###, select the second command. SIM In the top menu and look at the section SMSC.
Can I use it? SMSC operator?
Technically, yes, but it's fraught with problems: messages can be blocked, delayed or delayed. Operators sometimes filter. SMS, sent through other centers as potential spam. SMSC your current operator.
What to do if none of the methods work?
If not USSD, Neither the engineering menu nor the apps allow you to change SMSC, There are two options: Go to Xiaomi service center, maybe the problem is the firmware. Reset your phone to factory settings (before that, back up!). SMSC (relevant to some corporate tariffs).