How to improve the speed of the Internet on Xiaomi: from settings to engineering menu

Slow loading of pages and constant video buffering is a problem faced by owners of Xiaomi smartphones of all levels. Even flagship models sometimes show unstable connection, which is often due not to hardware breakdowns, but to software failures or incorrect settings of the MIUI and HyperOS system. Understanding how the communication module in the manufacturer’s shell works allows you to effectively solve most problems without contacting the service.

In most cases, the low speed is due to the accumulated cache of network services, conflict. IP-Before you blame the provider or buy a new router, it is worth conducting a deep diagnostic of the software. Modern battery optimization algorithms sometimes aggressively limit the background activity of network modules, which directly affects performance.

In this article, we will look at proven methods that will help you make the most of your connection. We will touch on both the basic settings available to each user and more advanced tools for experienced owners. DNS-A server on 1.1.1.1 or 8.8.8 often gives a response rate of up to 30.

Diagnostics of the current connection and basic checks

The first step should always be to make an objective assessment of the situation. Don't rely on the subjective feeling of a slow Internet. Use built-in system tools or specialized applications to measure the real bandwidth of the channel. The built-in test in the security app from Xiaomi gives only a general idea, so you should use third-party utilities like Speedtest or Fast.com.

If you look at the status bar, if you see a 4G or 5G icon but you don't get the data, you might be in a erratic zone, and in those cases, the phone is constantly switching between the towers, which eats up all the traffic to establish the connection, and sometimes it helps to turn on and off the air mode for forced re-registration on the network.

Check to see if the traffic saving mode is on, which is often activated by default when battery is low.This mode limits background synchronization and can slow down the loading of content in applications. It is also worth making sure that the device has the current version of the firmware installed, since Xiaomi regularly releases patches that correct errors in communication modules.

⚠️ Note: If the speed is low in only one particular application (e.g., only in the browser or only in YouTube), the problem is most likely on the server side of that service or in its cache, not in the phone settings.

For an accurate diagnosis, you can use a hidden test menu, type ##4636## in the dialer, which will open the Testing menu, where you can see the signal strength and network type, and see if the phone has switched to EDGE (GPRS), which is a sign of poor coverage.

Optimizing Wi-Fi settings for maximum performance

Wireless Wi-Fi is most susceptible to external interference and router misconfiguration. Xiaomi smartphones support 802.11 ac and ax (Wi-Fi 6) standards, but often connect by default to the slower 2.4 GHz band. Switching to 5 GHz allows you to significantly increase data transfer speed if your router supports dual-band operation.

It is also important to check DNS settings. Providers often provide their name servers, which can run slowly or block some requests. Changing DNS to public and fast servers from Google or Cloudflare is one of the most effective ways to speed up site openings. This is especially true for tariff owners with limited traffic or low stability.

In the Wi-Fi settings on Xiaomi, there is a feature called Wi-Fi Assistant. It automatically switches the smartphone to mobile Internet if the wireless signal becomes too weak. Make sure this feature is activated to avoid hanging out while watching videos. It is also worth turning off network scanning in the background if you do not use it constantly, as this saves the module resources.

• 📶 5 GHz range: Provides high speed, but has a shorter range and worse penetration through walls.
• 🔒 Encryption: Use it WPA2/WPA3, old-fashioned WEP or WPA Can limit the speed of the connection.
• 📡 Channels: In crowded apartment buildings, it is worth manually selecting a free channel in the router settings (1, 6 or 11 for 2.4 GHz).

If you are using static IP-address, make sure it does not conflict with the addresses of other devices on the local network. IP mode DHCP, So the router can then distribute the addresses itself. DNS statically IP It is more stable than automatic.

Configuring access points (APN) for mobile Internet

4G/LTE mobile internet on Xiaomi devices requires correct access point (APN) settings. Communications operators automatically send these settings, but sometimes the configuration is confused or contains errors. Manual editing of APN can solve connection problems and improve connection stability in areas of uncertain reception.

To access the settings go to Settings → SIM-maps and mobile networks → Choose. SIM → Access points (APN). Here you will see a list of your operator profiles. Don't delete existing records, rather create a new one by copying the parameters from the current one, but making changes to the Type fields. APN» and "Protocol" APN».

In the APN type field, you should specify default, supl or simply default. In the APN protocol field, select IPv4/IPv6 to ensure compatibility with all modern services. Sometimes changing the Authentication Type field to PAP or CHAP helps if a standard connection is not installed.

After saving the new access point, be sure to restart the device, which is necessary for the network module to completely reset the old connections and register with the network with new parameters. If after the reboot the Internet does not appear, try switching the network mode from Preferably LTE to 3G/2G and back.

Use of engineering menu and hidden functions

For advanced users, Xiaomi provides access to an engineering menu where you can fine-tune the radio module. Here you can force the phone to a certain standard of communication, for example, only on LTE, eliminating a drop in 3G or 2G. This is useful in areas where the 4G signal is weak but stable, and the phone is constantly trying to switch to a more “long-range” but slow 3G.

From the menu ##4636##, select Phone Information. From the drop-down list, Set up your preferred network type, select LTE Only. Be careful: this mode may not work incoming calls unless VoLTE is enabled. To return to normal, select LTE/TD-SCDMA/CDMA/EvDo/GSM/WCDMA.

You can also reset your radio module without restarting your phone, press the "Run Ping Test" button, or simply switch the network mode back and forth, which often helps shake the module up if it's getting stuck in a standby state.

Another hidden feature is network resets. It's in the Settings menu → Connection and Sharing → Reset Wi-Fi, mobile networks and Bluetooth.This operation will remove all stored Wi-Fi passwords and conjugated Bluetooth devices, but often resolves deep software driver conflicts.

The Impact of VPNs, Proxies and Ad Blockers

Use of the VPN-Internet speeds inevitably slow down, as all traffic passes through a remote server and is encrypted. If you notice a drop in speed, try temporarily disabling it. VPN. Free of charge VPN-Services are often overloaded and artificially limit speed, making fast 4G slow-moving EDGE.

Adblockers that work through a local VPN (creating a local tunnel to filter traffic) can also affect performance. Apps like AdGuard or Blokada require constant processing of data packets, which loads the processor and can cause delays. Try adding exceptions for heavy applications or turning off filtering for a while.

MIUI settings have built-in Safe Mode or fraud protection features that can scan traffic. Disabling certificate verification or Wi-Fi scanning in the Security app can give a small boost in speed, although it will lower the level of protection.

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Use VPN encryption protocols like WireGuard instead of OpenVPN. They work faster and less on the processor of a smartphone, which is especially important for older Xiaomi models.

Comparison of Speed Optimization Methods

Not all methods are equally effective in different situations, and below is a table that will help you choose the best way to solve the problem depending on your conditions of use.

As you can see from the table, switching to 5GHz gives the greatest speed gain, but requires the appropriate router. Changing DNS is the easiest and safest way to speed up surfing. LTE Only mode should be used with caution, as it can lead to loss of communication in rooms with thick walls.

⚠️ Warning: Forced switching to “Only” mode LTE» It can make it impossible to call emergency services (112), If there is no network in the area 4G, but 2G/3G.

Frequently Asked Questions (FAQ)

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A comprehensive approach, including changing the DNS, setting up the APN correctly and choosing the optimal Wi-Fi frequency, is guaranteed to improve the quality of communication on your Xiaomi.