How to speed up and stabilize the Internet on Xiaomi Redmi: the complete guide

Weak Wi-Fi signal, persistent mobile internet disruptions or low download speeds on Xiaomi Redmi are familiar problems?Even flagship models of the Redmi Note or Redmi K series sometimes suffer from unstable connections, and budget devices (for example, Redmi). 9A or Redmi 10C) They may even refuse to connect to some networks, and the reasons are both hardware limitations and software settings. MIUI.

In this article, we’ll break down 10 proven ways to improve the web on Xiaomi Redmi, from basic settings to hidden engineering menu features.

• 🔍 Diagnose the real cause of slow connection (rather than guessing on coffee grounds).
• 📶 Optimize Wi-Fi and Mobile Networks without Root Rights.
• ⚡ Increase the download speed by 2-3 times due to hidden parameters MIUI.
• 🛠️ Fix hardware problems if they interfere with a stable signal.

All methods tested on the Redmi Note 11 Pro models+, Redmi 10, Redmi 9T redmi K50, But suitable for any Xiaomi smartphones based on MIUI 12-14 No need to unlock the bootloader or install custom firmware - only official tools.

1. Diagnostics of the problem: why is the Internet slowing down?

Before treatment, you need to make a diagnosis.Slow Internet on Xiaomi Redmi can be caused by:

• 📡 Provider-side problems (e.g. base station overload or tariff speed limit).
• 📱 Hardware limitations (weak Wi-Fi module in budget models or damaged antenna).
• 🛠️ Software bugs (failures in operation) MIUI, conflicting applications).
• 🔧 Incorrect settings (for example, automatic network selection) 2G/3G/4G instead of priority 4G).

How do you check what's going on?

1. Speed test: use Speedtest or FAST.com. Compare the results to other devices on the same network. If you have a faster iPhone or laptop, the problem is your smartphone.
2. Signal check: enter the dialer code ##4636##, Go to Phone Information and see Network Signal. -100 dBm - communication is unstable.
3. Traffic Analysis: Go to Settings → Connections and sharing → Data usage: It is possible that background apps (such as Mi Video or Mi Cloud) eat up traffic.

Critical point: if the download speed in the browser and applications is different (for example, YouTube loads video in the browser). 144p, Telegram is working normally, the problem may be DNS-servers or limitations of a particular service.

2. Wi-Fi Optimization: How to Get Redmi to Catch the Network Better?

Wi-Fi on Xiaomi Redmi is often unstable due to default settings MIUI, That saves battery power at the cost of speed. Here's how to fix it:

2.1 Enable high performance Wi-Fi mode

By default, Redmi uses a Wi-Fi power saving mode, which reduces speed by 20-40%, to turn it off:

1. Go to Settings. → Wi-Fi.
2. Click on three dots in the upper right corner → Additional functions.
3. Activate High Performance Wi-Fi (or Wi-Fi Direct on older versions) MIUI).

2.2 Forced connection to 5 GHz network

The 5GHz network is faster and less busy, but many Redmis (especially budget) are defaulted to 2.4GHz.To get the phone to use 5GHz:

• 🔄 Reboot the router and turn on it individual SSID for 2.4 GHz and 5 GHz (e.g, MyWiFi_2G and MyWiFi_5G).
• 📱 On your phone, manually connect to the 5 GHz network.
• 🔒 In router settings, disable Band Steering (if any) – this feature sometimes interferes with a stable connection.

Note: If the Internet goes missing after 5-10 minutes after connecting to 5 GHz, the problem may be in the regional settings of the router.

2.3.Change. DNS speed up loading

Standard. DNS ISPs are often slowed down:

• 🌍 Cloudflare: 1.1.1.1 and 1.0.0.1
• 🌐 Google DNS: 8.8.8.8 and 8.8.4.4
• 🛡️ AdGuard DNS (blocking advertising: 94.140.14.14 and 94.140.15.15

How to change DNS to Redmi:

1. Go to Settings. → Wi-Fi.
2. Click on the connected network. → Change the network → Show additional parameters.
3. In the Settings field IP select Static.
4. Enter new ones. DNS field DNS 1 and DNS 2.

3. Mobile Network Setting: How to Make the Most of 4G/5G

If you have a problem with mobile internet (for example, Redmi does not catch the Internet). 4G or constantly switching to 3G), follow these steps:

3.1. Forced network selection 4G/5G

By default. MIUI It automatically selects the type of network, but it often makes a mistake. 4G (or 5G, if maintained):

1. Go to Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-map → Type of network.
3. Just install. 4G (or 5G/4G/3G/2G support-model 5G).

Important: If the Internet goes down after that, return the settings back - perhaps there is no coverage in your region 4G on the frequency that the phone supports.

3.2. Enable VoLTE and VoWiFi

VoLTE technologies (voice on) 4G) And VoWiFi not only improves the quality of the connection, but also stabilizes the Internet:

1. Go to Settings → SIM-cards and mobile networks.
2. Choose. SIM-map → Enable VoLTE and VoWiFi options.
3. If there are no options, update your firmware or contact the operator (some tariffs do not support VoLTE).

3.3 Resetting mobile network settings

If the Internet is lost or slowed down after the update MIUI, reset the settings:

1. Go to Settings. → SIM-maps and mobile networks.
2. Click on three dots in the upper right corner → Resetting mobile network settings.
3. Confirm the action and restart the phone.

Note: after resetting, you will have to re-enter the settings APN (You can find them on your operator's website or request support.

💡

If mobile internet only works after the phone is restarted, check out the Mi Security app – sometimes it blocks background traffic to save battery life.

4. Engineering menu: hidden settings for advanced

If standard methods don't work, you can dig into the engineering menu (no root available). Careful: Incorrect changes can disrupt the network!

4.1 How to open the engineering menu?

Enter the dialer:

##4636##

Select Phone Information (or Testing in English firmware).

Optimization of network parameters

In the engineering menu, you can change:

• 📡 Network type: Forced installation LTE only (instead of Global).
• 🔄 Switching mode: disable automatic switching between 3G/4G, if it causes cliffs.
• 📶 Signal power: increase antenna sensitivity (parameter) RRC Version).

Example of changes to improve 4G:

1. In the engineering menu, select Set preferred network type.
2. Install. LTE only (or) NR/LTE for 5G).
3. Save the settings and restart the phone.

Warning: If the network disappears after changes to the engineering menu, reset to factory settings (Reset to default) or reset via Settings → System system → Resetting settings.

5. Hardware problems: when iron is to blame

If the software methods didn't help, there may be a problem with the antenna, SIM-A map or a Wi-Fi module. Here's how to check:

Checking the antenna and SIM-map

• 📶 Network Signal: If in the Engineering Menu (##4636##) Signal Strength is below -110 dBm, the antenna may be damaged.
• 🔧 Contacts SIM-maps: extract SIM, So, you wipe the contacts with alcohol and you put them back in. If you had a network after that, the problem was oxidation.
• 📱 Test on another device: insert SIM If there's no network, there's a problem with the operator.

5.2. Diagnostics of Wi-Fi module

If Wi-Fi is not even close to the router:

1. Check if Wi-Fi is in modem modem modem (spread the Internet from phone to laptop). If so, the problem is the reception antenna.
2. Update your router firmware – some Redmis are incompatible with older firmware versions.
3. Try connecting to another network (such as a cafe or at friends') if the same problem is everywhere, it's the phone's Wi-Fi module that's to blame.

Critical information: if both mobile internet and Wi-Fi are lost after the phone crash, the antenna or plume is 90 percent likely to be damaged, and only repairs at the service center will help.

6. Software bugs: how to fix glitches MIUI

MIUI It's known for its bugs, especially when it comes to networking, and these are the most common problems and solutions:

Resetting network settings

If the internet is there, it disappears:

1. Go to Settings → System → Reset settings.
2. Select Reset Wi-Fi, Mobile Network and Bluetooth settings.
3. Confirm the action and restart the phone.

6.2. Disconnecting energy saving for network applications

MIUI aggressively optimizing background processes, causing some apps (such as Telegram or WhatsApp) to not receive notifications or slow down:

1. Go to Settings → Applications → Application Management.
2. Select a problem app (such as Chrome or YouTube).
3. Press the Battery. → No restrictions.
4. Turn on the Autostart option.

Update to firmware

Old versions. MIUI (particularly MIUI 11 and below) there were critical network bugs:

1. Go to Settings → About the phone → System update.
2. Click Check Updates and install the latest version.
3. If the update does not come, download the firmware manually from the Xiaomi Firmware site and install through System Update. → Three points. → Select a firmware file.

Note: if after the update the Internet is completely gone, reset to factory settings (Settings) → System system → Resetting settings → Erase all data).

7. Additional methods: VPN, proxy and alternative methods

If standard methods don’t help, try:

7.1 Use. VPN circumvention

Some operators (for example, MTS or Beeline) limit the speed for certain services (torrents, high-resolution video). VPN It'll help get around it:

• 🔒 Install ProtonVPN, Warp (from Cloudflare) or 1.1.1.1.
• 🌍 Connect to a server in your country (e.g. Russia or Ukraine for minimal delays).
• 📈 Check the speed before and after the connection VPN — Sometimes it grows 2-3 times.

7.2. Set up a proxy (for advanced)

If you have a corporate network or specific security requirements, you can configure a proxy:

1. Go to Settings. → Wi-Fi.
2. Click on the connected network. → Change the network → Show additional parameters.
3. In the Proxy field, select Manual and enter the data (they must be provided by the network administrator).

7.3. Alternative browsers and applications

Sometimes the problem isn't the network, it's the apps.

• 🌐 Browsers: Firefox Focus (blocks trackers, speeds up loading), Brave (optimized for slow networks).
• 📥 Downloaders: 1DM+ or ADM Download files with multithreading support.
• 🎵 Music/video: VLC or MX Player for streaming without lags.

💡

If neither method worked, the problem could be hardware incompatibility of your Redmi model with LANs. For example, some versions of the Redmi Note 9 do not support range. 4G Band 20 (800 MHz) used in Europe.

Table 8: Comparison of Internet Improvement Methods

FAQ: Frequent questions about the Internet on Xiaomi Redmi