How to change the number of the SMS-center on Xiaomi: all ways for MIUI

Change of number SMS-Xiaomi may need a center on a smartphone in several cases: when sending messages crashes, after changing the operator or moving to another region. Although most users never encounter this setup, its correct operation is critical for stable sending. SMS. Unlike iPhones or pure Android devices, where the path to customization is obvious, MIUI Often hides this option deep in the menu or removes it from the interface in new versions.

In this article, we will discuss all the current ways to change the number. SMS-centered on Xiaomi, Redmi and POCO — from the standard settings to the engineering menu and USSD-We'll focus on the nuances for different versions. MIUI (12, 13, 14) and smartphone models. If you have a problem that messages are going nowhere or the recipient does not receive them, this guide will help you to return to work. SMS without going to the service center.

Why a change may be required SMS-centre

Number. SMS-centre (SMSC) — This is your mobile operator's special server address, which is where all outgoing messages are routed, and it's automatically written when you install it. SIM-I've got a map, but sometimes you need to make a manual adjustment:

• 📵 Shipping failures SMS: messages leave but do not reach the destination ("Not sent" error or endless icon of sending).
• 🔄 Change of operator: when switching to a new provider, the old center number may remain in the settings.
• 🌍 Roaming or relocation: in some regions, local operators use unique numbers SMSC.
• 📱 Update MIUI: After major updates, network settings can be reset.
• 🔧 Manual Setup: Fans Sometimes Optimize Routing SMS speed up delivery.

Before you change your settings, make sure that the problem is in SMSC. Try sending a message to another number or restart your smartphone. If the error persists, start diagnosing.

⚠️ Note: Incorrectly stated number SMS-The center can completely block sending messages. Always check the current number with your operator before changing the number!

How to find the current number of the SMS-center on Xiaomi

Before you change the setting, it's helpful to know which SMSC number is currently in use. In MIUI, you can do this in a number of ways:

Method 1: Through the Engineering Menu (USSD-code)

The fastest method is to use the service code. Open the Phone app, go to the dial tab and type in:

##4636##

In the menu that opens, select Phone Information → scroll down to the SMSC block. The current center number (or an empty field if not specified) will be displayed here.

Method 2: Message settings (for older versions of MIUI)

In MIUI 11 and below, the path was simpler:

1. Open the Messages app.
2. Press three points (⋮) → Settings.
3. Select Additional → Number. SMS-centre.

MIUI 12/13/14 often does not include this item, but has been removed to simplify the interface.

Method 3: Through Third Party Applications

If standard methods don’t work, install the SMS Center utility from Google Play, which will show you the current SMSC and allow you to change it without manually entering codes.

How to change the number SMS-center MIUI

Depending on the firmware version, the process may vary. Consider current ways to use MIUI 12/13/14.

Method 1: Standard Path (if available)

This method works on some Redmi Note and POCO models with firmware up to MIUI 13:

1. Open the Messages app.
2. Put three points on it (⋮) → Settings → Additionally.
3. Select the Number. SMS-centre.
4. Enter a new number in the format +7XXXXXXXXXX (without gaps) and keep.

Ensure the correct number of the operator|Make a backup copy of messages|Check the balance SIM-map|Write down the old number. SMSC

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Method 2: Engineering menu (for all versions)

If the standard path is not available, use the engineering menu:

1. Open the phone app and type in: ##4636###
2. Go to Phone Information → SMSC.
3. Click Update and enter a new number in +79XXXXXXXXXXX.
4. Save the changes and restart the smartphone.

⚠️ Attention: After the change SMSC You may need to manually restart the messaging service through the engineering menu. To do this, turn off and re-enable the mobile network in the settings.

Method 3: USSD-operator

Some operators allow you to update SMSC through USSD-Try the following commands (call as a normal number):

• 📞 MTS: *111*123# (check-up SMSC).
• 📞 Beeline: *110*11# (resetting to standard settings).
• 📞 Megaphone: *105# → «Settings» → «SMS-centre».

If the command does not work, check the current code with the operator.

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If you still don’t send messages after changing the SMSC, try manually specifying the number in the format +79XXXXXXXXXX without eight (for example, +79160000000 instead of 89160000000000).

Manual SMSC setting via ADB (for advanced)

If none of the above methods worked, you can change the number. SMS-Download the Android Debug Bridge (ADB). This method requires connecting the smartphone to the computer and basic command line knowledge.

Step 1: Preparation

Download and install:

• 🖥️ Platform Tools (ADB) for Windows/macOS/Linux.
• 📱 Enable Developer Mode on Xiaomi: Go to Settings → About the phone and 7 times tap on the version MIUI.
• 🔌 Turn on the debugging. USB In Settings → Additionally. → For developers.

Step 2: Connect and Commands

Connect your smartphone to your PC and perform at the terminal:

1. Check the connection: Adb devices (the name of your device should be displayed).
2. Find out the current SMSC: adb shell content query --uri content://telephony/carriers/smsc
3. Change the number (replace +79XXXXXXXXXXXXXX with current): adb shell content insert --uri content://telephony/carriers/smsc --bind address:s:"+79XXXXXXXXX"

⚠️ Attention: Misuse of the right ADB On some Xiaomi models (for example, Redmi Note 10 Pro) after ADB-commands require a reboot to Recovery mode and cache reset (Wipe Cache).

Problems after SMSC changes and their solutions

Even after the correct number change SMS-There may be failures in the center. Let's look at the typical errors and how to fix them.

Error: "No message sent"

Causes and solutions:

• 🔄 Incorrect number format: Make sure the number is entered in format +79XXXXXXXX (spaceless, dashes or brackets).
• 📡 No network: Check signal strength and switch to 2G/3G In Settings → SIM-maps and mobile networks → Preferred type of network.
• 📵 Operator lock: Some providers block manual shifts SMSC. Clarify that in support.

Mistake: «SMS-center»

This problem often occurs when:

• 🔌 Inactive. SIM-map: Check if mobile data is enabled for this SIM.
• 📶 Roaminge: Local operators block foreign operators in some countries SMSC. Try using the local center number.
• 🔄 Settings conflict: Reset network settings in Settings → SIM-maps and mobile networks → Resetting network settings.

Alternative ways to send SMS without changing SMSC

If you change the number SMS-The center is not helped or is not available, consider alternative options:

• 📧 Messengers: Use WhatsApp, Telegram or Viber to send messages over the Internet.
• 🌐 SMS Over the Internet: Services like SMS.ru or TurboSMS allow you to send messages from a computer.
• 📱 Double. SIM: If you have two. SIM-Maps, try sending them. SMS The second (maybe the problem with just one network).
• 🔄 Resetting: The last option is to reset the network to Settings → Memory. → Resetting settings → Resetting network settings.

Remember that SMS is an outdated technology, and many operators are gradually reducing the priority of supporting it. If the problem is systemic, consider switching to modern instant messengers.

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Before any manipulation of SMSC, always check the current number with your operator - it may vary depending on the region or tariff.

FAQ: Frequent questions about change SMS-center