How to boost Xiaomi network signal: Effective methods

A modern smartphone is impossible to imagine without a stable connection to the Internet, and Xiaomi devices are no exception. Users often face a situation where the indicator on the screen shows confident divisions, but the pages in the browser do not load or calls are interrupted. This can be caused by tower congestion, physical obstacles or incorrect software settings of the device. Understanding the causes of a weak signal is the first step to solving a problem that requires a comprehensive approach.

Before you go to radical measures like flashing or buying amplifiers, it is worth checking the basic parameters. In some cases, it is enough to simply restart the device or switch modem. It is important to understand that software methods are effective only when the signal level is physically sufficient to work, but the system cannot process it correctly. In this article, we will discuss all the available ways to optimize communication.

A weak signal often causes a battery to run out quickly as the radio module is running at its limits in an attempt to hold the connection, which is why the question of how to amplify the signal of the Xiaomi network is relevant not only for Internet speed, but also for the autonomy of the gadget. We will look at the settings from basic to advanced, including working with the engineering menu.

Basic settings and operator choice

The first step in communication problems is to check the SIM card and network settings. Make sure the card is not damaged, oxidized and sits tight in the tray. Sometimes it is enough to remove the SIM card, wipe the contacts with soft cloth and paste back. In the smartphone settings, it is worth checking whether the right type of network is selected.

Go to the Settings section → SIM-maps and mobile networks, where you need to choose the preferred type of network. 4G (LTE), However, in areas of uncertain reception switching to 3G It can give you a more stable, albeit slower, Internet. Automatic choices often fail to keep weak. 4G where 3G would do better.

• 📱 Check if the option “Always active mobile internet” is enabled in the advanced settings.
• 📶 Try to manually select the operator through the menu "Telecommunication operators", disabling the auto selection.
• 🔄 Restart the device after changing the network settings to reset the radio module parameters.
• ✈️ Use the flight mode on 10-15 Seconds for Forced Re-Registration on the Network.

It’s important to consider that some Xiaomi and Redmi low-end models have less powerful antennas than the flagship series. If you’re at the edge of coverage, the difference in reception quality can be significant.

⚠️ Note: If you manually select an operator, do not choose a roaming partner network if you are in your region, this may lead to loss of communication or additional charges.

One of the common causes of problems is the use of old SIM cards that do not support new frequency ranges. If your SIM card is more than 5-7 years old, it makes sense to contact the salon to replace it with a new one with VoLTE and 4G support.

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Working with LTE frequencies and modes

One of the hidden features of MIUI-based Android is the management of preferred frequencies. Communication operators use different bands to transmit data, and not all of them are equally good at breaking through walls. For example, 800 MHz (Band 20) has better penetration than 2600 MHz (Band 7), but less speed.

To manage this, you can use a hidden engineering menu. Dial on the phone code ##4636##. If the menu opens, look for "Phone Information." In the "Preferred Network Type" section, you can select specific combinations. To amplify the signal in the room, it often helps to choose modes containing LTE Band 20.

You should not blindly choose LTE only if you plan to receive calls. In most cases, without VoLTE technology enabled, incoming calls will not be available in this mode. The optimal option is a mixed mode, such as LTE/TD-LTE/WCDMA, which will allow the phone to switch to 3G for voice communication.

Recommended regimens to improve admission:


1. LTE only (only Internet, calls via messengers)




2. WCDMA only (for voice communication in the outback)




3. LTE/TD-LTE/GSM (Universal Mode)

If the standard menu doesn’t open or work, you can use third-party utilities like Force LTE Only (4G/5G) to activate hidden Android features without deep code knowledge.

• 📡 Band 3 (1800 MHz) – the main range for cities, good speed.
• 🏠 Band 20 (800 MHz) – the best choice for rural areas and basements.
• 🚀 Band 7 (2600 MHz) – top speed but poor coverage inside buildings.
• 📶 Band 38 (2600 MHz) TDD) — used by operators to unload networks.

⚠️ Note: Experimenting with the engineering menu can lead to the complete disappearance of the network. Remember or photograph the original settings before making changes so that you can return everything as it was.

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Optimizing Wi-Fi Connection

Communication problems often affect not only the mobile network, but also Wi-Fi. Xiaomi smartphones have a feature called "Wi-Fi Assistant", which automatically switches the device to the mobile Internet if the Wi-Fi signal becomes weak, which can create the illusion of poor wireless reception.

To improve the stability of the connection, you need to configure the router correctly. First of all, you need to separate the 2.4 GHz and 5 GHz bands by giving them different names (SSID). The 2.4 GHz band passes better through walls, but is more noisy with neighboring networks. The 5 GHz range provides high speed, but only works within line of sight.

In your phone settings, go to Settings → Wi-Fi → Wi-Fi Assistant. Here you can turn off the mobile data switching function if you want to stay on the Wi-Fi network forcing even with a low signal level. It is also useful to reset the network settings if problems are observed constantly.

Another important aspect is DNS. Providers often provide their name servers, which can run slowly. In the Wi-Fi settings on the phone, under Settings IP", You can manually prescribe fast DNS-servers, for example, from Google (8.8.8.8) or Cloudflare (1.1.1.1), which will speed up network response and page opening.

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If your router is dual-band but old, try forcefully setting a 20 MHz channel width for the 2.4 GHz band. This will reduce speed but significantly improve connection stability in apartment buildings with many neighborhood networks.

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Resetting network settings and software updates

The accumulation of software errors during operation can negatively affect the operation of communication modules. If simple methods do not help, it is worth resetting the network settings. This action will return the Bluetooth, Wi-Fi and mobile data parameters to factory values, but will not delete your personal files or contacts.

To perform the reset, follow the Settings path → Connection and Sharing → Reset Wi-Fi, mobile networks and Bluetooth. After that, you will need to re-enter passwords from wireless networks. Often this procedure solves problems that arise after a system update or a change of operator.

Also worth checking for firmware updates. Xiaomi regularly releases patches that fix radio module errors. Go to Settings → About phone and click on the MIUI version. If an update is available, it is advisable to install it by backing up the data beforehand.

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In rare cases, the problem is application conflict. Safe mode helps determine if third-party software is to blame. To enter safe mode, press the off button, and then hold your finger on the "off" button on the screen for a long time until the prompt to go to safe mode appears. If this mode is stable, then some installed application interferes with the network.

Hardware solutions and external antennas

When software is exhausted, hardware solutions are needed. The most effective way to amplify the signal in a stationary environment (at home or in the office) is to use an external antenna. For Xiaomi smartphones with NFC support, there are special antenna stickers that are glued to the back cover.