How to increase the speed of the Internet on the smartphone Xiaomi: the complete guide

Slow Internet on Xiaomi is a problem that faces every fifth user. Even on flagship models like Xiaomi 14 Ultra or Redmi Note 13 Pro+, the speed can sag to 1-2 Mbps, although the operator promises 100+ Mbps. The reasons lie not only in the network coverage, but also in the settings of the smartphone itself, versions of the MIUI firmware, as well as hardware limitations.

In this article, we will discuss 12 Proven ways to speed up the Internet on Xiaomi – from basic (switching between the two) 4G/5G) Up to Advanced (Changing Parameters) APN, All methods tested in models 2020–2026 years and are relevant MIUI 12–14. Particular attention will be paid to the hidden settings of the engineering menu, which the manufacturer does not advertise, but which can increase the speed of the engine. 30–70%.

1. Check the real speed of the Internet

Before optimizing the settings, make sure the problem is really in the smartphone, not the operator.

• 📱 Run the speed test in the Speedtest (Ookla) or nPerf apps. Check in different places - at home, on the street, on the subway.
• 📡 Compare the results with data on another device (e.g., on an iPhone or tablet with the same device) SIM-card).
• 📊 If it's above 100 ms, the problem may be congestion at the base station.

Normal performance for 4G:

Download: 30-100 Mbps

- Impact: 10–50 Mbps

- Ping: 20-60 ms.

⚠️ If the speed on Xiaomi is lower by 50%+ Compared to other devices, the problem is the settings of the smartphone. If the difference is minimal, it is the operator or coverage area that is to blame.

2. Optimize your mobile network settings

Xiaomi often chooses the network mode that is not the fastest by default, to manually set priorities:

1. Go to Settings. → SIM-maps and mobile networks → [Yours. SIM] → Type of network.
2. Choose 4G (preferably) or 5G (if supported).
3. Turn off the Auto Network Selection option – it can connect you to congested stations.

For dual SIM models (Redmi Note 12 Pro, POCO X5 Pro, etc.) it is important to:

• 🔄 Use the main slot for the Internet (usually) SIM 1) as it is better optimized for speed.
• 🚫 Do not activate the mobile Internet on both SIM At the same time, it reduces the productivity of the module.

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If the Internet is completely lost after switching to 4G/5G, restart your smartphone. Sometimes the communication module freezes when you change mode.

3.Tune the APNs manually

APN (Access Point Name) is the "address" for your carrier's Internet connection. Incorrect APN settings can reduce speeds by 40-60%.Standard APN is usually set up automatically, but sometimes manual adjustments are required.

How to check and change your APN:

1. Open the Settings. → SIM-maps and mobile networks → [Yours. SIM] → Access points (APN).
2. Click on the current APN profile and check the settings. They should match your operator's official settings (see table below).
3. If there is no profile, create a new one by clicking + in the upper right corner.

After saving the new APN, restart your smartphone and check the speed. If the changes do not take effect, manually select the profile you created in the APN settings.

⚠️ Note: Some operators (e.g. Yota) use dynamic APN, You can't manually configure it.

4. Turn off the background activity of applications

Many apps (Facebook, TikTok, VK) consume traffic in the background even when you’re not using them, not only consuming battery, but also stealing some of the bandwidth of the network.

How to limit background activity:

• 🔧 Go to Settings. → Annexes → Application management.
• 📵 Select an app (such as Instagram) → Battery → Background activity → Limit.
• 🚫 For the radical method: Settings → Battery and productivity → Energy saving regime → Enable Background Limitation for all applications.

Pay particular attention to:

• 📦 Download Manager (Download Manager, ADM).
• 🎮 Online gaming (PUBG Mobile, Genshin Impact).
• 📈 Analytics (Google Play Services, Mi Analytics).

Disable auto-update apps in Google Play|

Limit background activity for social networks |

Remove unused applications|

Enable energy saving mode for low speed-->

5.Use the engineering menu for fine-tuning

The Engineering Mode allows you to change hidden modem settings that directly affect Internet speed, a method suitable for advanced users, as incorrect settings can lead to loss of communication.

How 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.

Recommended settings for maximum speed:

• 📶 For 4G: choose LTE Only (if you are sure of the cover).
• 🔄 For automatic switching: LTE/TD-SCDMA/GSM auto (for China) or LTE/WCDMA/GSM auto (for Russia).
• 📡 For 5G: NR/LTE/TD-SCDMA/GSM Auto (if the smartphone supports).

In addition, in the engineering menu you can:

• 📊 View the current bandwidth (Band) in the section Serving Cell Info. Optimal for Russia: Band 3 (1800 MHz), Band 7 (2600 MHz), Band 20 (800 MHz).
• 🔄 Forced to reconnect to the network with the Turn Off Radio button (useful when the module “hangs).

⚠️ Warning: Changing the settings in Band Selection can lead to total loss of the network.

6. Update firmware and modem

Manufacturers regularly release updates to the radio module (modem) that improve stability and speed of communication. On Xiaomi, these updates come along with weekly / monthly MIUI patches.

How to check and update:

1. Go to Settings → About the phone → System update.
2. Click on the three dots in the upper right corner → Select the service pack.
3. If you have a version that is marked Modem update, install it first.

For advanced users:

• 🔧 You can manually flash the latest version of the modem via Fastboot or TWRP. Search for current files on forums 4PDA or XDA Developers.
• 📡 After updating the modem, reset the network settings: Settings → SIM-maps and mobile networks → Resetting network settings.

List of the latest modem versions for popular models (June 2026):

• Xiaomi 13/13 Pro: Modem V14.0.12.0.TMBCNXM
• Redmi Note 12 Pro+: Modem V14.0.8.0.TMOCNXM
• POCO F5: Modem V14.0.6.0.TMOMIXM

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Updating your modem can increase speed by 15-25%, especially if you’ve previously used outdated firmware.

7. Check the physical condition SIM-card-slot

Contact problems SIM-cards or slots can cause periodic communication breaks and speed drops:

• 📵 Smartphone loses network in motion (for example, in the subway or car).
• 🔄 You have to reboot the device to restore the Internet.
• 📶 The signal level is constantly “jumping” between 1-3 divisions.

What to do:

1. Extract. SIM-Check the card for scratches, chips or oxidation of contacts, and clean the contacts with a smoother if necessary.
2. Check the slot for debris or deformation. Use compressed air (canister) to clean.
3. If the problem persists, try inserting it. SIM-card to another slot (if the smartphone supports Dual) SIM).

For models with hybrid slot (Xiaomi 12T, Redmi Note 11):

• 🔄 Do not use nanoSIM adapters → MicroSIMs – They often cause poor contact.
• 🚫 Don't put two in. SIM-cards simultaneously with a memory card - this can overheat the slot.

8. Alternative methods: VPN, DNS, roaming

If the standard methods did not help, try non-trivial solutions:

• 🌍 Change. DNS: By default, operators use their DNS-servers that may be overloaded: Try 1.1.1.1 (Cloudflare) or 8.8.8.8 (Google). → Wi-Fi → Additionally. → Settings DNS.
• 🔒 Use it. VPN: Some operators throttle (artificially limit) speeds for certain services. VPN (For example, ProtonVPN or Warp can circumvent this restriction.
• 📡 Enable data roaming: In some regions, the operator's local networks are overloaded, and roaming partners offer better coverage. → SIM-map → Data roaming.

VPN alert:

⚠️ Attention: Free of charge VPN-services often limit the speed to 5-10 Mbit / s. For the test, use paid versions with a trial period.

Speed test with different DNS (example for Xiaomi 11T Pro):

FAQ: Frequent questions about the speed of the Internet on Xiaomi