How to connect and configure mobile Internet on Xiaomi smartphones: a complete guide

Why Xiaomi may not have mobile internet and how to fix it

Mobile Internet on Xiaomi smartphones is usually set up automatically when you first install SIM-maps, but sometimes users have problems: no connection, slow speed, or the device does not see the network at all. APN, effluent MIUI, hardware limitations of the model or even operator errors.

In this article, we will analyze all possible ways to connect the mobile Internet - from the basic settings to solving complex cases when the smartphone refuses to work with the Internet. 4G/5G. We will pay special attention to Redmi models, POCO and flagships Xiaomi 13/14, You'll also learn how to check your compatibility. SIM-Next generation maps and what to do if the Internet is lost after the update MIUI.

If you’ve just bought a Xiaomi smartphone or run into a problem after changing carriers, start with a basic setup. For power users, there’s a section at the end of the article with advanced techniques, including manual editing of APNs and diagnosing the communication module.

Basic setup of mobile Internet on Xiaomi

In most cases, it is enough to connect the mobile Internet SIM-You can wait for the automatic setup, but if you don't, follow these steps:

• 📱 Check the installation SIM-Cards: Make sure the card is inserted into the correct slot (on dual-sim slot models) SIM 1 usually 4G/5G). On models POCO F5 Redmi Note 12 Slots can be versatile, but it is better to use the recommended manufacturer.
• 🔄 Reboot your smartphone: after installation SIM-Turn off and turn on the device – this will speed up the process of automatic configuration.
• 📶 Turn on mobile data: swipe from top to bottom to open the notification bar, and tap the Mobile Data icon (or go to Settings). → SIM-maps and mobile networks → Mobile Internet).
• 🔍 Check coverage: If you are in a place with a weak signal, the smartphone can automatically switch to the radio. 2G/3G. Go to Settings. → SIM-maps and mobile networks → Preferred type of network and select 4G (preferably 5G (if maintained).

If the Internet is not working after these actions, go to manually configure APN. Also pay attention to the network indicator in the status bar: if an exclamation point (!) or cross (×) is displayed next to the signal level, this means problems with authentication in the operator’s network.

Manual setting of APN for all operators

The Access Point Name (APN) is the gateway through which the smartphone connects to the operator’s Internet. If the automatic setting does not work, you will have to enter the settings manually. Below are the current settings for popular Russian carriers (data checked in 2026).

To add APN to Xiaomi, follow the following steps:

1. Go to Settings. → SIM-maps and mobile networks → [Choose. SIM-map] → Access points (APN).
2. Click on the + (add) icon in the upper right corner.
3. Fill in the fields as above. Leave the Authentication Type and APN Type fields (default,supl).
4. Save the settings and restart the smartphone.

Compare the data entered with the table above | Make sure that APN is saved (check next to the name) |Reboot your smartphone after changes | Check the network indicator (the 4G/5G icon should appear)

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Important: On some Xiaomi models (like the Redmi 10C or POCO M4 Pro) after manually adding an APN, you may need to manually select it from the hotspot list – just tap it to activate it.

⚠️ Note: If after setting up APN The Internet is still down, check your account balance - some operators block Internet access when there is a negative balance, even if there is money in the main account. Also make sure that you do not activate the "Saving Traffic" mode in Settings. → Connections and sharing → Saving traffic.

Setup 4G and 5G on Xiaomi: why the smartphone does not catch the network

If your Xiaomi is not connecting to 4G or 5G networks, there are several factors that may be involved in the problem:

• 📡 Unsupported range: not all Xiaomi models work with 5G In Russia, for example, Redmi Note 11 supports 5G Only in the global version (model with index) 5G Check the specifications of your model on the official website.
• 🔧 Incorrect network type: Only mode can be selected in the settings 3G or 2G. Correct this in Settings. → SIM-maps and mobile networks → Preferred type of network.
• 🔄 Older versions: on older versions MIUI (below 12.5) may not be available drivers for new communication standards. → The phone. → Updating the system.
• 📱 Hardware limitations: budget models (Redmi) A1, POCO C40) often lacking support 5G even in new firmware.

To check 5G support on your device:

1. Go to Settings → About the phone → All the characteristics.
2. Find the Network or Network Support line.
3. If you have 5G on the list, your device theoretically supports that standard, and if you don't, you can't update the communication module.

For forced 5G powering (if the smartphone supports but does not connect):

1. Enter the combination ##4636### in the phone app.
2. Select Phone Information.
3. In Network Type Installation, select NR/LTE/UMTS/GSM (for 5G) or LTE/UMTS/GSM (for 4G).

Access Point and Internet Distribution with Xiaomi

If you need to share mobile Internet from Xiaomi to other devices (laptop, tablet), use the access point function.

1. Open Settings → Connections and Sharing → Access Point and modem.
2. Activate the portable access point switch.
3. Set up a network name (SSID) and password (WPA2-PSK is recommended).
4. Connect other devices to the network you have created.

If the access point is not enabled or other devices cannot connect:

• 🔋 Check that the smartphone is enabled mobile data (distribution works only with an active Internet connection).
• 🔄 Restart your smartphone – sometimes the Wi-Fi module “hangs".
• 📶 Make sure that the correct frequency range is selected in the access point settings (e.g. 2.4 GHz for better compatibility).
• 🔒 If there is a connection, but the Internet does not work, check whether the operator blocks it (some tariffs prohibit distribution).

⚠️ Note: On Xiaomi models with MIUI 14 and later, the access point can automatically shut down after 10 minutes without activity. To avoid this, activate the option Always enabled in the access point settings (not available on all devices).

💡

If the Internet is permanently cut off, try changing the Wi-Fi channel manually. To do this, select Additional → Wi-Fi Channel in the access point settings and set a fixed channel (for example, 6 or 11 for 2.4 GHz).

Advanced methods: diagnosis and correction of errors

If the basic methods didn't work, it's time for a deep diagnosis, and below are ways to identify and fix faults at the firmware or hardware level.

1. Verification of IMEI and communication module

If the smartphone does not see the network (no signal), there may be problems with the network. IMEI Or an antenna module, to check. IMEI:

1. Enter the phone combination *#06# in the app.
2. Compare the numbers displayed with those indicated on the box or under the battery (for models with a removable lid).
3. If the IMEI is missing or does not match, recovery is required (see section below).

To check the antenna:

1. Enter ##4636## and select Phone Information.
2. Look at the network signal (if dBm is close to -120, there is practically no signal).
3. If there is a signal, but the Internet does not work, the problem is more software (APN or firmware).

2. Restoration of IMEI

If the IMEI is downed (for example, after a failed update or reset), it can be restored using the engineering menu:

1. Install the MTK Engineering Mode (for MediaTek processors) or Qualcomm USB Drivers (for Snapdragon).


2. Launch the application and select "CDS Information" → "Radio Information".




3. In the "AT+" field, type the command:




AT +EGMR=1,7,"IMEI_1"




AT +EGMR=1,10,"IMEI_2"




(Replace IMEI_1 and IMEI_2 with current numbers).




4. Reboot the smartphone.

⚠️ Attention: Incorrect change IMEI This may cause the device to be locked by the operator, only use the original numbers on the box or in the documents.

3. Resetting network settings

If you have problems with the Internet after updating or changing your settings, reset:

1. Go to Settings → System and device → Resetting.
2. Select Reset Wi-Fi, Mobile Network and Bluetooth settings.
3. Confirm the action and restart the smartphone.

After resetting, you will have to reconfigure the APN and connect to Wi-Fi.

💡

If after all the manipulations, the mobile Internet still does not work, the problem may be hardware (damaged communication module or antenna).

Frequent mistakes and their solutions

Let’s look at the typical situations faced by Xiaomi users and how to fix them.

If your problem is not described in the table, try the following generic steps:

• 🔄 Restart your smartphone in safe mode (press the power button). → "Restart in Safe Mode. If the Internet is up, there is a problem in one of the installed applications.
• 📱 Check if Airplane or Energy Saving mode is activated (both can block mobile data).
• 🔧 Update the firmware to the latest version – in new builds MIUI frequently correct communication errors.

FAQ: Answers to Frequent Questions