How to turn on 4G on Xiaomi smartphone: detailed instructions with pictures and tips

Modern Xiaomi smartphones (including the Redmi line, POCO and Mi support networks 4G LTE, But sometimes people are confronted with high-speed Internet refusing to work, and the reasons can be different, from accidentally disabled mode in settings to problems with the Internet. SIM-This article will help you understand how to include 4G Android Xiaomi in any of the available ways – from basic to advanced.

We’ll look at not only the standard methods through the phone’s menu, but also hidden features (like the engineering menu) that can help in difficult cases, and you’ll also learn why a smartphone can “refuse” to connect to 4G and how to fix it without going to the service center. All the instructions are relevant for devices based on MIUI 12-14 and Android 10-14, including the latest models like Xiaomi 14, Redmi Note 13 Pro+ or POCO F6.

If you still have questions, check the FAQ section at the end of this article, where we’ve collected answers to the most common 4G issues on Xiaomi.

1. Check the basic conditions before setting up 4G

Before you dig into your smartphone settings, make sure the problem isn’t out there. Here are 3 key points to check first:

• 📶 Network coverage: Open your carrier’s coverage card (e.g. MTS, Beeline or Tele2) Make sure that there is one in your area. 4G. Sometimes a smartphone simply can’t connect to a network that isn’t physically there.
• 💳 Tariff and balance: Some operators 4G It is only available at certain rates, check if the account is running out of money or if access to high-speed Internet is blocked (for example, after the gigabyte is exhausted).
• 🔄 Reboot device: Banal but works: turn off your smartphone for 30 seconds and turn it on again.

If everything's okay, but 4G It still doesn't work -- go to the phone settings. On Xiaomi's two-sized smartphones SIM-map 4G It can only be active on one of them (usually on the other hand). SIM1). This limitation is hardware, and it can not be circumvented without modification of the firmware.

⚠️ Note: If you are using eSIM (virtual) SIM-Make sure it is activated and supports 4G. Some virtual operators (such as Tinkoff Mobile) may limit speeds at old rates.

2. Standard way: enable 4G through Xiaomi settings

The easiest method is to activate 4G in the phone menu, and the instructions are suitable for all Xiaomi, Redmi and POCO models on MIUI:

1. Open the Settings app (the gear icon on the desktop).
2. Go to section. SIM-maps and mobile networks (or mobile network on some firmware).
3. Choose. SIM-map for which you want to include 4G (if).
4. Click on Network Type (or Preferred Network Type)
5. Set a 4G (preferably) or LTE value. If you don’t have one, choose 3G/4G (auto).

After changing the settings, the smartphone may lose communication for a short time, which is normal. After 10 to 30 seconds, the network icon in the status bar should change to 4G or LTE. If this does not happen, try manually selecting the operator:

Turn on and off the "In the plane" mode (20 seconds)

Reboot the phone

Select the operator manually in Settings → SIM-map → Choice of network

Check if there is a traffic limit in the settings SIM-map-->

On some models (such as Xiaomi 13T or Redmi K60), the Network Type menu may not have 4G option. This means that the smartphone automatically selects the best available standard.

4G issues on Xiaomi: frequent causes and solutions

If 4G doesn’t turn on even after changing settings, the reasons may be as follows:

One of the most common reasons is that you have to set your APNs wrong, to reset them.

1. Go to Settings. → SIM-maps and mobile networks → [choose SIM] → Access points (APN).
2. Click on the three dots in the top right corner and select Reset to default values.
3. If this does not help, add APN manually (options can be taken on the operator's website).

⚠️ Note: On smartphones with custom firmware (for example, LineageOS or Pixel Experience) settings APN They can reset after the update, and then you have to reconfigure them.

MTS

Beeline

MegaFon

Tele2

iota

Other-->

4. Engineering menu: hidden 4G settings on Xiaomi

If standard methods don't work, you can try the Engineering Mode, which is a hidden section with advanced communication module settings. Be careful: improper changes can lead to network loss!

To open the engineering menu:

1. Open the Phone app and enter the combination: ##4636##.
2. Select Phone Information (or Phone Information).
3. Scroll down to the Set preferred network type block.
4. Choose LTE only (4G only) or LTE/WCDMA auto (automatic choice between 4G and 3G).

When you change your settings, restart your smartphone. If 4G is up but the speed is still low, check the Network Type setting in the same menu, it should show LTE.

If after changes in the engineering menu, the smartphone stopped catching the network at all, reset the network:

1. Go to Settings → About the phone → Reset settings.
2. Select Network Reset (not to be confused with a full reset!).
3. Confirm the action and wait for the reboot.

5. Update firmware and reset to factory settings

If none of these things work, the problem may be firmware or system file conflict.

• 🔄 Update MIUI: Go to Settings. → The phone. → Update the system and check for updates. 4G Corrected in new versions.
• 🧹 Reset network settings: How to do this, we told you above. This method removes all stored Wi-Fi, Bluetooth and mobile settings.
• ⚙️ Reset to factory settings: Last resort if nothing helps. Attention: this will delete all data from the phone! Pre-backup to Settings → Additionally. → Backup and reset.

Once reset, the smartphone will turn on in the initial setting mode. SIM-map and check 4G. If the problem persists, the communication module (an antenna or chip) may be faulty, in which case only the service center will help.

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Before resetting to factory settings, write down the IMEI of your smartphone. To do this, type in the phone keyboard *#06#. This will help restore the device if the network disappears after the reset.

6. 4G problems on specific Xiaomi models

Some Xiaomi smartphones have unique features of working with 4G. Consider the most popular models:

• 📱 Redmi Note 10/11/12: These devices may not have an option only. 4G In the settings. Choose it instead. 3G/4G (motor-car).
• 📱 POCO F3/F4/F5: Sometimes after updating the firmware resets settings. APN. You need to adjust them manually (options can be found on the operator’s website).
• 📱 Xiaomi 12/13/14: On the flagships can be active function Double 4G (Dual 4G), It only works with certain operators (e.g. MegaFon).
• 📱 Redmi 9/9A/9C: Budget models may not support some ranges 4G. Check compatibility with your operator on the site 4PDA.

For models with a MediaTek processor (such as the Redmi Note 10S or POCO M4 Pro), changing 4G bands in the engineering menu can help:

1. Open the engineering menu (combination ##4636##).
2. Go to BandMode or Network Select.
3. Select LTE Band and activate all supported bands (e.g. B1/B3/B7/B20 for Russia).

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If your smartphone Xiaomi does not catch 4G in roaming, check if the option Data in roaming in the settings is included SIM-Without it, the Internet will not work abroad.

7. Alternative methods: VPN and applications for signal amplification

If 4G is unstable (often interrupted or slow), you can try the following methods:

• 🌍 VPN To circumvent restrictions: Some operators artificially slow down speeds on certain sites. VPN (For example, ProtonVPN or Warp from Cloudflare can help get around this.
• 📶 Signal Amplification Apps: Programs like Network Signal Speed Booster or Internet Speed Master don’t increase real speed, but they can optimize connectivity.
• 🔧 Change of change DNS: In the Wi-Fi or mobile network settings, try specifying DNS Google (8.8.8.8) or Cloudflare (1.1.1.1) sometimes speeds up page loading.

It is also worth checking whether the phone is not enabled traffic saving mode or background Internet restriction:

1. Go to Settings → Battery and Performance → Battery Saving Mode.
2. Make sure the option to limit background traffic is turned off.
3. In the Special Permissions section, check if mobile internet is restricted to individual applications.

⚠️ Note: Do not install apps that promise to “overclock” 4G» They're either useless or they contain malicious code, and the only effective way to amplify a signal is to use a repeater. 4G (Xiaomi Mi WiFi Repeater 2).

FAQ: Frequent questions about 4G on Xiaomi