Modern Xiaomi smartphones (including the Redmi line and POCO) automatically substitute the number SMS-when sending messages, but sometimes manual settings are required, such as when changing operators, traveling abroad or using virtual devices SIM. Incorrect center settings can lead to delivery delays, “No message sent” errors, or complete absence of a message. SMS-Notifications from banks and services.
In this article, you will find the latest ways to adjust for all versions. MIUI (including MIUI 14/15 and HyperOS), number table SMS-The main focus of the project is on the hidden settings of the engineering menu, which allow you to manually prescribe alternative routes for the use of the system. SMS — This will help if standard methods do not work.
If you are faced with the fact that the message leaves, but does not reach the recipient (or arrive with a delay of several hours), the problem most likely lies in the fact that the message is not sent to the recipient. SMS-Operators rarely advertise their gateway numbers, and Xiaomi smartphones don’t always correctly identify them — especially when roaming or using eSIM.
It is important to understand: setting SMS-center is different from settings MMS or Internet parameter (APN). This is a separate technical parameter that is solely responsible for routing text messages. SIM) You may need to set up separate centers for each SIM-map.
What is it? SMS-The Center and Why It Needs to Be Configured
SMS-centre (SMSC) — This is the mobile operator server that all your text messages go through. SMS, It gets to that server first, and it's routed to the destination from there, and if the center number is incorrect or the operator's server is temporarily unavailable, the message can hang in the "Send" status or disappear altogether.
On smartphones Xiaomi number SMS-The center is usually determined automatically when the first installation is performed. SIM-However, in some cases manual intervention is required:
- 🔄 Change of operator – new provider may use a different number SMSC.
- ✈️ Roaming – in another country, local operators block foreign SMS-centre.
- 📱 Dual SIM — When using two cards of different operators, it may be necessary to configure separate centers.
- 🛠️ Update the firmware - sometimes after upgrade MIUI network parameters are reset.
- 🔒 Spam Blocking – Some Operators Redirect SMS through alternative filtering gateways.
Difference from APN: Internet access parameters (APN) and settings SMS-So, the center is two different technical aspects, and for example, you can use the mobile Internet successfully, but you can't send it. SMS because SMSC. And vice versa: SMS The internet can work but it can’t (if it’s not configured correctly) APN).
On Xiaomi with firmware MIUI HyperOS has two ways to change. SMS-centre:
- The standard Message Menu (not available on all models)
- Through the engineering menu (works on all devices, but requires input) USSD-code).
Method 1: Change SMS-Center through standard settings
On most Xiaomi smartphones (for example, Redmi Note 12, POCO X5, Xiaomi 13 number SMS-You can change the center directly in the Message app. Here's the step-by-step instruction:
1. Open the Messages app (the envelope icon on the desktop).
2. Click on the three dots in the upper right corner and select Settings.
3. Go to the Additional or SMS Settings section (the name may vary depending on the version of MIUI).
4. Find the SMS Center or SMSC Number. If it is not available, use method 2 (engineering menu).
5. Enter the number. SMS-your operator's center (see table below) and save the changes.
If the number field is inactive (locked), it means that the operator has forbidden manual adjustment through the standard menu, in which case you will have to use an engineering menu or USSD-team.
Make sure that SIM-The card is active and catches the network
Check the balance (some tariffs block SMS at zero)
Write down the current SMSC number (in case of rollbacks)
Reboot your smartphone before setting up-->
Method 2: Configure through the engineering menu (for all models)
If the standard method didn’t work, use the engineering menu, which is universal and works even on locked devices, and is suitable for all Xiaomi smartphones, including the Redmi 10C, POCO F4, Xiaomi 12T and older models.
1. Open the Phone app and go to the Keyboard tab.
2. Enter. USSD-code:
##4636##3. In the menu that opens, select Phone Information (or Phone Information in English firmware).
4. Scroll down to the SMSC block and click on it.
5. In the Update SMSC field, enter your operator's center number in the format +79991234567 (without spaces and dash).
6.Push Update, then restart the smartphone.
⚠️
Attention: On some firmware MIUI If the code ##4636### doesn't work, try the alternative: ##36446337## This menu provides advanced settings for the communication module, but changes other options (except for the option of the menu). SMSC) Not recommended – this can lead to network loss. 💡If, after the change, SMS-the message center stopped sending, return the standard operator number and check the balance - some tariffs are blocked SMS It's a negative balance. SMS-Popular Operator Centers (2026) Below is the current table of numbers SMSC If your provider is not on the list, check the number at the support service or on the official website. Operator Number SMS-Centre Region Notes of MTS +79160000000 Russia For corporate tariffs may differ Beeline +79030000000 Russia is used in roaming +79030000001 MegaFon +79260000000 Russia For Moscow and the MO — +79261300000 Television2 +79500000000 For virtual operators (for example, SberMobile) - specify Yota separately +79990000000 Russia only works with an active Internet (SMS via VoLTE) For operators of Ukraine, Kazakhstan and Belarus numbers SMSC They're different: 🇺🇦 kistar: +380674000100 🇺🇦 Waterthon UA: +380660000100 🇰🇿 Beeline KZ: +7770000000 🇧🇾 A1 Belarus: +375296000000 ⚠️ Note: If you use a virtual operator (e.g. Tinkoff Mobile, SberMobile), check the number SMSC These operators often use the infrastructure of the "big four" (MTS, Beeline, MegaFon, Tele)2), but with its own routes for SMS. Typical problems with the SMS Xiaomi If you have set up after SMS-The message center is not sent anyway, check the following points: 1. The messages leave, but do not reach the addressee 📵 Check if the mode is activated Do not disturb for contacts. 🔄 Restart your smartphone – sometimes the communication module “hangs". 📶 Make sure that the status bar is displayed 3G/4G/5G (SMS They don't work in the mode. 2G on some tariffs). 2. Error “No message sent" 💳 Check the balance - on some rates SMS lock-in. 📡 Try to manually select the operator network in Settings → SIM-maps and mobile networks → Choice of network. 🔧 Reset network settings: Settings → System system → Resetting settings → Resetting Wi-Fi, Mobile Network and Bluetooth. 3. SMS They are delayed (after a few hours) 📡 Your operator may use an alternative route to SMS. Check with the support. 🔄 Try changing. SMSC For example, for the MTS, this is +79160000001). 📱 Check if third-party applications are installed to block SMS (What do you do if you don't have an engineering menu? If you have a code ##4636## Does not open the menu, try the following alternatives: 1. Install the app MTK Engineering Mode (for MediaTek processors) or Qualcomm Engineer Mode (for Snapdragon) from Google Play. 2. Use it. USSD-team to check current SMSC: *#5005*7672# 3. On some HyperOS firmware, the engineering menu is hidden - try entering code through the Secret Codes app (available from the Mi App Store). SMS-centre SIM If your Xiaomi supports two of your SIM-cards (e.g. Redmi Note) 11 Pro+ Xiaomi 13 Ultra, for each of them you can configure a separate SMS-This is true if you're using different operators' cards. 1. Open the Messages app and click on the icon ⚙ Settings. 2. Choose. SIM-card 1 SIM-map 2 (depending on which card you want to set up). 3. Go to Settings SMS → Centre SMS. 4. Enter the number. SMSC for the respective operator (see table above). 5. Repeat the steps for the second SIM-cards, if necessary. ⚠️ Note: Some Xiaomi devices with two active devices SIM-card SMS By default, they are sent via the main card (the one used for the data). To change this, go to Settings. → SIM-maps and mobile networks → Default map for SMS. If you use eSIM together with a physical SIM-map, setting SMS-For example, on Xiaomi 13 Lite with HyperOS for eSIM you need: → eSIM. Select eSIM profile and click on Mobile Network Settings. In the section Find the Center SMS. 💡On devices with Dual SIM Always check which card is being sent. SMS You can change this in the Messages app settings or in the menu. SIM-Checking the performance of the cards SMS-Center after changing the settings SMSC We recommend checking if the messages are working correctly. Here are some ways to test: 1. Sending a test SMS Send a message to another number (for example, to your second phone) and check: 📤 The message went without error. ⏱️ Delivery time is no more 1-2 minute. 📥 Address received SMS without any distortion (sometimes with incorrect SMSC text comes in hieroglyphics). 2. Check through USSD-Enter the command on the phone keyboard: *#5005*7672# In return, you will receive the current number. SMS-If it's different from what you entered, the settings are not saved (repeat the procedure). 3. Use third-party apps Install a utility from Google Play SMSC Info or SMS Center, these programs show: 📡 Current active SMSC. 📶 Status of registration on the network. 🔄 If the test messages don't reach, try: Return the standard number. SMSC Reboot the phone, temporarily shut down the second one. SIM-Card (if Dual is used) SIM). Update firmware MIUI/HyperOS last-minute. FAQ: Answers to Frequent Questions Can I Change? SMS-Yes, on some Xiaomi models (e.g. Redmi) A2 or POCO M5) number SMSC You can change it directly in the Messages app. → Settings → Extra, find the center. SMS. Enter a new number and save it. If you don't have one, use the engineering menu or USSD-Why after the shift? SMS-The center stopped coming. SMS bank? Bank notifications are often sent through special channels that can be blocked when a change is made. SMSC. Return the standard operator number or check with the bank which one is the operator. SMS-They recommend using the center, for example, Sberbank and Tinkoff sometimes require separate settings to deliver push notifications. SMS-center to factory settings? To return the standard number SMSC: Open the engineering menu (#4636##) Go to Phone Information → SMSC. Press Refresh or Reset (depending on the firmware). Reboot your smartphone. If there is no reset button, enter your operator's standard number manually (see table above). SMS-Is it based on Xiaomi with HyperOS? Yes, on HyperOS (new firmware for Xiaomi 14, Redmi) K70 etc.) adjustment process SMSC no different MIUI. However, in some builds of HyperOS, the engineering menu may be hidden - in this case, use the app. USSD-commands or third-party applications such as MTK Engineering Mode. Can I customize it? SMS-- A Wi-Fi messaging center, SMS-The center is responsible only for routing messages over the mobile network, but some Xiaomi smartphones (for example, Xiaomi 13 Pro) support the function. SMS via Wi-Fi (based on Wi-Fi Calling technology) To activate it: Go to Settings → SIM-maps and mobile networks → Wi-Fi Calling. Turn on the option and follow the operator's instructions. SMS They will be sent over the Internet, bypassing SMSC, But the function does not work with all operators.