Problems with sending SMS on Xiaomi smartphones are often associated with incorrect settings SMS-The center is a special number that routes all text messages, and if your messages go to the "undesirable", hang in the sending stage, or the recipient simply does not receive them, this parameter may be to blame. Unlike the iPhone, where the center number is usually stitched dead, the device is not a single device. MIUI allow you to edit it β but itβs not always obvious where to look for this setting.
In this article, we will discuss all the current ways of changing. SMS-center on smartphones Xiaomi, Redmi and POCO (including models 2023β2026 years), take into account the features of different versions of the firmware MIUI 12/13/14, We also tell you how to find the correct center number for your operator, and we will focus on the typical mistakes that users make when manually entering parameters, and give recommendations for diagnosing problems with SMS.
What is it? SMS-The center and why you need to change it
SMS-centre SMSC β Short Message Service Center is a mobile operator server that handles text messaging and delivery, and when you send an SMS, it first gets to that server and then it's routed to the recipient. If the center number is incorrect or outdated, the messages can be sent to the server:
- π€ Not to depart (remain in the status of "Sent...")
- β Disappear (sent without errors, but do not reach the addressee)
- β³ Delayed (coming hours or days late)
- π Duplicate (receiver sees one message several times)
On smartphones Xiaomi number SMS-The center is usually stitched automatically when installed. SIM-cards, but sometimes there are failures:
- π§ After updating MIUI (Especially when switching to a new version of Android)
- π± In the case of two SIM-cards from different operators
- π When roaming or changing the host country
- πΆ When connecting to virtual operators (MVNO)
Some operators also change their numbers periodically. SMS-centres, Tele2 It's called Yota, but it's not always automatic to update your smartphone configuration, and in those cases, manual editing is the only solution.
How to find the current number of the SMS-center on Xiaomi
Before changing the settings, check which number SMS-It's used now, and it can be done in two ways:
Method 1: Through the Engineering Menu (USSD-code)
The fastest method is to use a special USSD-Open the Phone app, go to the dial tab and type in:
##4636##In the menu that appears, select Phone Information β scroll down to the block SMSC. The current center number will be displayed here (for example, +If the field is empty or contains incorrect characters, this is the cause of the problem with SMS.
Method 2: Through Message Settings
In some versions MIUI (Especially on older models SMS-The center can be viewed in the settings:
- Open the Messages app.
- Click on the three dots in the upper right corner β Settings.
- Select Additional or Advanced Settings.
- Find the center. SMS or Number SMS-centre.
If this paragraph is not available, your version MIUI It is hidden (see the next section on how to change it).
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If, after input, USSD-If you have ##4636##, you don't have to try adding, (coma) or; (comaint point) at the end of the code, and on some firmware, this helps you open the engineering menu.
Standard numbers SMS-Russian Operator Centers (2026)
Before making changes, make sure you use the current number for your carrier. Below is a table with the verified data for June 2026:
| Operator. | Number. SMS-centre | Notes |
|---|---|---|
| MTS | +79160000000 | For all regions of Russia, on some tariffs, +79169999999 can be used. |
| Beeline | +79030000000 | It's relevant for individuals. Corporate customers may have a different number. |
| MegaFon | +79260000000 | For Moscow and the regions, in Crimea and Sevastopol used +79780000000. |
| Tele2 | +79500000000 | In 2023, it replaced the old number. +79510000000. Check the relevance of the operator! |
| iota | +79990000000 | It uses the infrastructure of MegaFon, but has its own SMSC. |
β οΈ Attention: If you are using SIM-card of the virtual operator (for example, Tinkoff Mobile, SberMobile or Lenta Mobile), specify the number SMS-They're often reconfigured by operators who don't have universal numbers.
For users outside of Russia:
- πΊπ¦ kistar: +380673000333
- πΊπ¦ Vodafone UA: +380660000666
- π°πΏ Beeline KZ: +77000000000
- π§πΎ A1 Belarus: +375297000000
How to find out the number SMS-centre?
Modes of change SMS-center
Depending on the version MIUI and smartphone models available different methods of editing numbers SMSC. We will look at all the current options, from the simplest to the most complex.
Method 1: Through Application Settings "Messages" (MIUI 12β14)
On most modern Xiaomi devices (e.g. Redmi Note 12, POCO X5, Xiaomi 13 number SMS-The center can be changed directly in the standard application for SMS:
- Open the Messages app.
- Click on the three dots in the upper right corner β Settings.
- Select Additional (or Advanced Settings)
- Find the center. SMS and tap him.
- Enter a new number in the format +79XXXXXXXXXX (with the plus and country code!).
- Press OK and restart your smartphone.
β οΈ Note: If the number field is blocked or missing, your version MIUI It hides this option. Go to the next method.
Method 2: Engineering menu (for all versions of MIUI)
If the standard method didnβt work, use the engineering menu, which works on 90% of Xiaomi devices, including models with a high-end design. MIUI Global and MIUI China:
- Open the phone app and type in: ##4636###
- In the menu that appears, select Phone Information.
- Scroll down to the block. SMSC and press it.
- Update field SMSC Enter a new number (for example, +79160,000,000 for MTS).
- Press Update (Update).
- Reboot the phone.
If the number has not been saved or dropped to the standard after the update, try:
- π Repeat the procedure 2-3 times in a row.
- π΄ Shut down. SIM-map, change SMSC, insert the map.
- π§ Enable Flight Mode for 30 seconds, then turn off and repeat the setting.
Method 3: Through the annex"SMS "Center" (for older versions) MIUI)
On devices with MIUI 10β11 (e.g. Redmi Note 8, Mi 9) standard methods may not work. SMS Center (available on Google Play):
- Download and install the application SMS Center.
- Open it and give you access to the SMS.
- The main window will display the current number. SMSC. Press it.
- Enter a new number in the format +79XXXXXXXXXX.
- Press Save and restart the phone.
β οΈ Note: Some antiviruses (such as Avast or Dr.Web) may block your work. SMS Center, considering it "suspicious." Add the app to the exceptions or temporarily disable the antivirus.
Method 4: Through ADB (power-user)
If none of the above methods worked, the alternative is ADB (Android Debug Bridge), which requires connecting the smartphone to the computer and basic command line knowledge.
Instructions:
- Turn on the debugging. USB on your smartphone: Go to Settings β The phone. β Version. MIUI and tap this item 7 times to activate Developer Mode. β Additionally. β For developers and enable debugging by USB.
Connect your phone to your PC through USB-cable (use the original cable!).
Platform Tools
adb
adb devices(Your device should be displayed)
adb shell
settings put global sms_center +79XXXXXXXXXX(substitute +79XXXXXXXXXX current-number)
Reboot your smartphone.
πΉ Note: After update MIUI setting SMSC through ADB They may reset. In which case, you'll have to repeat the procedure.
Make sure that the USB debugging is enabled
Use the original. USB-cable
Install Xiaomi drivers on PC
Download Platform Tools from Googleβs official website
Check that the phone is identified in adb devices-->
Common mistakes in changing SMS-centre
Even after a successful change of number SMSC Users often face problems. Here are the most common mistakes and their solutions:
| Mistake. | Reason. | Decision |
|---|---|---|
| The number is not saved after the reboot | Resetting settings by operator or firmware | Use the method with ADB Repeat the setting after each update. MIUI. |
| SMS is sent but it doesn't reach | Incorrect number format (without) + or extra-symbolic) | Make sure the number is entered in format +79XXXXXXXXXX (spaceless). |
| The "Messages" app gives an error | Conflict with duplicates SMS-Applications (e.g. Google Messages) | Remove or disable third-party messengers, leave only the standard application. |
| The engineering menu is not working (#4636##) | Blocking by operator or firmware | Try the alternative code ##36446337## or use it. ADB. |
πΉ Critical error: If after the change SMSC The smartphone has stopped sending SMS at all (even after returning the old number), reset the network settings. β SIM-maps and mobile networks β Network reset, which will bring all the communication parameters back to the factory, including SMS-centre.
What to do if SMS-center
If none of these methods worked, the problem may be more serious than it seems.
Blocking by the operator
Some operators (e.g, Tele2 or Iota) block manual change SMSC level SIM-- The cards:
- π Call support and ask to unlock editing ability.
- π Try to re-release. SIM-card (sometimes a new card of the same operator helps).
- π± Temporarily use SIM-card of another operator to be checked.
2. Firmware conflict
On some custom firmware (for example, LineageOS or Pixel Experience) settings SMSC It can be blocked:
- π§ Get back to the official one. MIUI via Fastboot.
- π₯ Update your firmware to the latest stable version.
- π οΈ Install the module. SMS Center Fix via Magisk (root rights required).
Hardware problems
If SMS not sent even after resetting settings, there may be problems with the modem or SIM-card:
- πΆ Check the signal level of the network (in the engineering menu ##4636## β Phone information).
- π Try inserting. SIM-card.
- π§ Contact the service center for modem diagnostics.
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If after all the manipulations SMS still not sent, but calls are working normally, the problem is most likely in the settings APN. Check them in the Settings section. β SIM-maps and mobile networks β Access points (APN) Compare this with your operatorβs recommendations.
Alternative ways to send SMS if SMSC doesn't work
If you change the number SMS-The center failed, but you need to send messages urgently, use alternative methods:
1. Online services of operators
Most operators provide web interfaces to send SMS:
- π MTS: Personal account β"Communications"
- π Beeline: my.beeline.ru β"Text"
- π MegaFon: lk.megafon.ru β"Services" β"Text"
- π Tele2: my.tele2.ru β"Communications"
The disadvantage of this method is the limitation on the number of characters (often up to 70) and the inability to send to short numbers (for example, for banking services).
2 Supported messengers SMS
Some applications allow you to send SMS over the Internet:
- π± Google Messages (requires setting up via Google Fi, not available in all countries).
- π± Pulse SMS (It is paid but supports synchronization between devices).
- π± Textra SMS (free-to-play).
3. USSD-junction
If you need to send a short message (for example, a confirmation code), use the USSD-team:
- For MTS: *115*Number Phone*Text# (e.g, *115*79123456789*Hey#)
- For Beeline: *125*Phone number*Text#
β οΈ Attention: USSD-messages are limited to 30-40 characters and can be charged separately (check with the operator).