Xiaomi smartphone owners often face a situation where the provider’s stated connection speed does not coincide with the actual performance in the browser or games. The device may show the full signal level, but the pages will be loaded for a long time, and the video will be constantly buffered. To diagnose the problem, you need to know exactly how much data is transmitted per second, this will help to understand whether the router, the operator’s tariff plan or the smartphone itself is to blame.
Modern MIUI and HyperOS shells offer built-in monitoring tools, but for deep verification, it is better to use specialized tools that allow you to measure not only incoming traffic, but also outgoing traffic, as well as ping, which is critical for online gamers. In this article, we will discuss all available diagnostic methods, from simple web services to hidden engineering menus.
Before you get to the complex settings, you should perform a basic reboot of the communication module. Sometimes temporary failures in the operation of the Wi-Fi module or LTE-If you keep the problem after the reset, go to the detailed measurements.
⚠️ Warning: Before testing, make sure that the device does not run background downloads, as they can significantly distort the verification results.
Use of built-in MIUI and HyperOS functions
The first step to diagnostics is to test the system with standard means. Xiaomi smartphones have a built-in Security tool that includes a basic network tester that doesn't provide detailed statistics, but allows you to quickly assess the status of the connection without installing third-party software.
To run the check, open the Security app and find the Speed or Speed Test section. The system will automatically take a brief ping and bandwidth measurement. This method is good for quick evaluation, but its results may be less accurate than specialized applications.
For more detailed analysis of your system settings, go to About Phone and click on the kernel or processor version several times (depending on the firmware version) to get into the advanced settings. Here you can see the current connection speed in real time if you activate the corresponding overlay.
⚠️ Warning: The built-in tester does not check the stability of the connection under load, it only shows an instant snapshot of the network status.
The advantage of using system utilities is that they are optimized for Xiaomi hardware and do not consume battery power as intensively as third-party programs.
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For the most accurate results, it is better to use the built-in tester when connecting to a 5 GHz network, where there is less interference and higher real channel bandwidth.
Checking through the browser without installing applications
If you don’t want to clog your smartphone memory with unnecessary software, the quickest way is to use online services that run directly on Chrome or the built-in MI Browser and don’t require system permissions.
The most popular and proven tool is Speedtest.net. Simply enter the address in the search bar and press the GO button. The system automatically selects the nearest server and takes measurements. The results are displayed in clear graphs.
Another reliable option is Netflix's Fast.com, which is designed to test the speed of video streaming. The interface is minimal: you see the download figure immediately. For advanced data (ping, download), you press the Show more info button.
- 🚀 Speedtest.net is the most popular service with a huge database of servers around the world.
- 🎬 Fast.com is ideal for checking the quality of video streaming and work CDN.
- 📊 Yandex.Internetometr is an excellent option to check the quality of the connection within Russian networks.
It is important to understand that browser tests depend on the performance of the browser itself and the number of tabs open. For the purity of the experiment, close all unnecessary tabs before you start checking.
Specialized applications for Android
For regular monitoring of communication quality, it is better to install a dedicated application, and Ookla Speedtest remains the market leader, allowing you to select specific servers, save your measurement history and plot speed changes at different times of the day.
Another powerful tool is Vconnex's My Speed, which not only measures speed, but also checks video quality, ping in games, and connection stability, and it's designed in a dashboard style, making data easy to read.
Applications require permission to access the network and location (to select the nearest server), and once installed, it is recommended to conduct a series of tests: first on Wi-Fi, then switch to mobile Internet, which will help identify a bottleneck.
☑️ Checklist before the test in the application
Some applications, such as Internet Speed Meter Lite, can display the current speed in the status bar in real time, which is convenient for constant monitoring: you will immediately notice if a program has started to eat up traffic.
Analysis of speed through the engineering menu
For advanced Xiaomi users, an engineering menu is available, which displays technical information about the status of the radio module, and you can see the signal level in dBm and the connection quality (SINR), which affects the final speed.
To enter the menu, open the Phone app and dial the code ##4636##. If the code doesn’t work, your firmware version may block that access, and you’ll need to install a special trigger app from the Play Market.
In the menu that opens, select Phone Information, and here you're interested in Signal strength and CellInfo. The smaller the negative dBm, the better the signal, for example, -60 dBm is a great signal, and -110 dBm is a zone of uncertain reception.
Parameters for analysis:
RSRP (Reference Signal Received Power) is the signal strength.
Signal to Interference plus Noise Ratio (SINR) is the ratio of signal to noise.
CQI (Channel Quality Indicator) is a channel quality index.⚠️ Warning: Don't change the settings in the engineering menu unless you understand the purpose of the settings. Reset the network settings if the Internet is lost after the experiments.
The engineering menu is especially useful for problems with 4G/5G mobile Internet. It helps to understand whether the phone is holding the network or constantly switching between towers, which causes lag.
What if the code doesn't work?
Factors Affecting Speed on Xiaomi
Why does one Xiaomi smartphone have Internet flying and another connected to the same router barely load pages? It's hardware constraints and settings. Older models may not support Wi-Fi ac or ax, only running in the 2.4 GHz band, which is very noisy.
Android version and modem drivers are also affected. MIUI updates often come with patches that improve connection stability. If you have an old phone, it may not be able to pull the high speeds of a modern tariff due to the limitations of the antenna module.
The table below shows approximate speeds for different communication standards in real-world conditions:
| Type of connection | Frequency range | Real speed (Mbps) | Ping (MS) |
|---|---|---|---|
| Wi-Fi 2.4 GHz | 2400-2483 MHz | 20-50 | 10-30 |
| Wi-Fi 5 GHz | 5150-5825 MHz | 100-400+ | 2-10 |
| 4G (LTE) | Different. | 10-80 | 20-50 |
| 5G | Different. | 200-800+ | 5-15 |
Pay attention to the number of connected devices. If your router is connected to the TV, laptops and phones of other family members at the same time, the speed on your Xiaomi will naturally drop.
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The most significant speed gain on a modern Xiaomi smartphone gives a transition from the 2.4 GHz band to 5 GHz, if the router supports this technology.
How to increase the speed of the Internet on a smartphone
If the tests are low, don't be in a hurry to change the tariff. Often, the problem can be solved software. First of all, try resetting the network settings, which will return the APN configuration and Wi-Fi parameters to factory values, eliminating possible conflicts.
To reset, go to Settings → Connection and Sharing → Reset Wi-Fi, mobile networks and Bluetooth. After this procedure, you will need to re-enter passwords from wireless networks.
It's also worth checking if traffic saving or energy saving modes are included, which can limit the background activity of applications. DNS-servers to faster ones, such as Google (8.8.8.8) or Cloudflare (1.1.1.1).
- 🔄 Network reset – eliminates software configuration errors.
- 📡 Shift. DNS — Speeds up server response and site opening.
- 🔋 Cutting off savings – removes background data transmission restrictions.
If nothing works, there may be a problem with the physical damage to the antenna or chip, and then the software methods are powerless, and a diagnosis is required at the service center.