Change of number SMS-Xiaomi with LuGacom firmware: all ways

Change of number SMS-The center on Xiaomi smartphones with custom firmware LuGacom may be required in several cases: when you fail to send messages, after changing the operator or when using virtual devices. SIM-Unlike the standard maps. MIUI-firmware, where are the settings SMS-When the center is often hidden or locked, LuGacom provides more freedom, but also requires caution when changing system settings.

In this article, we will discuss all the current ways to change the number. SMS-From manual input through the engineering menu to the use of specialized applications, we will pay special attention to the nuances associated with the firmware LuGacom, because its modified structure can affect the availability of certain functions. SMS or receive error notifications SMS-center is not available, this guide will help return the performance of the messenger.

Before you start changing your settings, make sure the problem is really related to the SMS-Sometimes similar symptoms cause a malfunction in the operator's network, a lockdown. SIM-maps or conflicts with messaging applications. USSD-#4636## (Section Information about the phone).

Why a change may be required SMS-LuGacom

LuGacom firmware is optimized for work in Russian networks, but even it is not immune from problems with the Internet. SMS-Here are the most common reasons why users resort to manual adjustments:

• 📵 Failure after update: After installing a new firmware version or security patch settings SMS-The center may be reset to default values that are irrelevant to your operator.
• 🔄 Operator change: When switching from one mobile operator to another (for example, from MTS to Tele2), automatic settings may not be picked up, especially if you are not able to control the mobile operator. SIM-virtual card (eSIM).
• 🛠️ Castom builds: Some LuGacom modifications (such as test versions) may contain stubs instead of real numbers SMS-centre.
• 📡 Roaming or virtual networks: in roaming or when using MVNO-Operators (e.g. Yota, Tinkoff Mobile) standard settings often don’t work.

It is important to understand that the number is incorrectly specified. SMS-The center not only blocks the sending of messages, but can also lead to the loss of incoming messages. SMS (If you notice that messages are leaving but do not reach the destination, or come with a delay, this is a direct signal to check the current settings.

⚠️ Note: Some versions of LuGacom (especially those based on Android 12)+) change SMS-The center through the engineering menu can lead to a reset APN-We recommend that you save the current Internet connection settings before starting work (for example, by taking screenshots of the Settings screen). → SIM-maps and mobile networks → Access points (APN)).

Method 1: Change SMS-Center through the Engineering Menu

The most reliable method that works on most Xiaomi devices with LuGacom firmware is to use a hidden engineering menu, which does not require superuser rights (root), but may vary depending on the version of Android.

To open the engineering menu:

1. Open the Phone app and enter the combination: ##4636##.
2. In the window that appears, select Phone Information (or Phone Information in English).
3. Scroll down to the block. SMSC — This is the current number. SMS-centre.
4. Click on the Update button (or Refresh), then enter a new number in the format +79XXXXXXXXX (for Russian operators) or +380XXXXXXXXX (for Ukrainian operators).
5. Confirm the changes with the Update button.

If the Update button is inactive or gives an error after entering the number, try:

• 🔄 Restart the phone and try again.
• 📱 Make sure that SIM-card inserted SIM 1 (on some devices, the engineering menu only works with the main card).
• 🛠️ Use an alternative code to access the menu: ##36446337## (works on older versions) MIUI).

Make a backup copy of messages|Write down the current number. SMSC|Check the balance SIM-map|Shut down. VPN/proxy-->

💡

If the engineering menu doesn't open, check if it's blocked by an antivirus or security application (e.g., Security Center in MIUI).

Method 2: Use of the USSD-team

Some operators provide the option to change the number SMS-centre USSD-This method is convenient because it does not require access to system settings, but does not work with everyone. SIM-map.

Current USSD-teams for popular operators:

Replace. XXXXXXX on actual numbers SMS-You can check them on the official website or in the support service, for example, for MTS in Moscow this is usually the case. +79150,000,000 for MegaFon — +79260000000.

⚠️ Attention: USSD-Teams may not work on virtual operators (MVNO) If you receive a response after typing a command The service is not supported, use alternative methods (engineering menu or applications).

Method 3: Management applications SMS-centre-piece

If standard methods don’t work, third-party utilities will come to the rescue. For Xiaomi with LuGacom firmware, the following applications will work:

• 📱 SMS Center (from Vlad Lee) – a simple tool to view and edit SMSC No root rights. Supports dual-SIM.
• 🛠️ Shortcut Master – allows you to find hidden settings SMS, Including the messaging center. Requires Android 8+.
• 🔧 MTK Engineering Mode – for devices running MediaTek processors (e.g. Redmi Note 8 Pro).

Instructions for SMS Center:

1. Install the app from 4PDA or Google Play.
2. Launch the utility and select SIM-card (if there are several).
3. Click Read SMSC and the current center number will be displayed.
4. Enter a new number in the New SMSC field and click Update.
5. Restart your phone to apply the changes.

If the application fails to update SMSC, it can mean:

• 🔒 Protection against changes in system parameters is enabled on the device (for example, MIUI Optimization in the Developer Settings).
• 📵 SIM-The card does not support manual change SMSC (It is important for some virtual operators).
• 🛠️ You need to update the firmware LuGacom to the latest version.

Numbers. SMS-Centers for Popular Operators (2026)

To avoid looking for up-to-date data on operators’ websites, we have collected verified SMSC numbers for major Russian and foreign providers. Please note that in some regions the numbers may differ – check with your operator.

For operators of Ukraine, Belarus and Kazakhstan, current numbers:

• 🇺🇦 kistar: +380670000000
• 🇺🇦 Waterthon: +380500000000
• 🇧🇾 A1 (Belarus): +375290000000
• 🇰🇿 Beeline KZ: +77000000000

Frequent mistakes and their solution

When changing the number SMS-And when you look at the LuGacom center, you often have these typical problems, and let's look at the most common ones and how to fix them.

Error 1: “Failure to update SMSC”

Reasons:

• 🔒 There are no rights to write to system files (even without root, some firmware blocks changes).
• 📵 SIM-The card is inactive or blocked PUK-code.
• 🛠️ Outdated version of radio module (modem).

Decision:

1. Check status. SIM-maps in Settings → SIM-maps and mobile networks.
2. Update the firmware LuGacom through Settings → About phone → System update.
3. Install the MTK Engineering Mode app (for devices on MediaTek) and try again through it.

Error 2: Messages leave but do not reach the destination

This may mean that:

• 📡 Number. SMSC Incorrectly entered (check the format: it should start with the + contain a full international code and).
• 🔄 Operator locks in. SMS from non-standard centers (relevant to corporate tariffs).
• 📵 Temporary problems in the operator’s network (check the status of services on the provider’s website).

Error 3: Mobile Internet is lost after SMSC change

This is a critical problem characteristic of LuGacom firmware based on Android 11.+. In some cases, the change SMS-center leads to discharge APN-To restore the Internet:

1. Go to Settings. → SIM-maps and mobile networks → Access points (APN).
2. Click on the three dots in the top right corner and select Reset to default values.
3. If the APNs are not automatically restored, enter them manually (options can be found on the operator's website).

💡

Before the change SMSC Always check the current ones. APN-In LuGacom firmware, they can be linked, and resetting one setting will change the other.

Additional settings for stable operation of SMS

If even after changing the number of the SMS-center, problems with messages persist, check the following parameters:

• 📶 Network Mode: In Settings → SIM-maps and mobile networks → Select Network Mode Only 4G (LTE) or 3G. Some operators are blocking SMS Only in mode 5G.
• 📱 Priority SIM-Cards: If you have dual-SIM, make sure that messages are sent from the right card (Settings) → Annexes → Communications → SIM-default-card).
• 🔄 Auto Update Date and Time: Enable this option in Settings → System system → Date and time: Incorrect time can lead to failures in sending SMS.
• 🛡️ firewall VPN: Disable applications that block network traffic (such as NetGuard or AdGuard) as they can filter. SMS-message.

For root-right devices, you can also try:

su


setprop ril.smscenter +79XXXXXXXXX




reboot

This command will apply the new SMSC at the system level, but requires superuser rights and may not work on newer versions of Android.

FAQ: Answers to Frequent Questions