How to set up the fastest Internet on Xiaomi devices: from smartphone to TV-box

The speed of the Internet on Xiaomi devices is one of the most frequent pains of users. Even with a stable tariff and a powerful router, a smartphone or TV can “slow down”, and pages load for eternity. DNS, outdated firmware, background applications or limitations MIUI This article will look at all the ways to speed up the Internet on Xiaomi, from basic to advanced, taking into account the features of different devices (smartphones, TV-boxes, routers).

It's important to understand that there's no one-size-fits-all solution if you have a Redmi Note. 12 s 5G-modem, and the neighboring Poco X3 And the problem is not the tariff, it's the settings. We tested all the methods on the actual firmware. MIUI 14/15 HyperOS, so the instructions work for the models. 2020–2026 So let's start with the simplest thing, which is checking the current speed.

1. Diagnostics: how to correctly measure the speed of the Internet on Xiaomi

Before you set up something, you need to understand where the speed is lost. Use not browser tests (like Speedtest in Chrome), but specialized applications:

• 📱 Ookla Speedtest (official) – shows ping, download/return, lost packets.
• 🌐 NetAnalyzer – Analyzes the Signal Strength Wi-Fi/cellular network, channels, load.
• 📡 WiFi SweetSpots – Helps you find the best router in your apartment.

Run the test in aerial mode (to turn off background processes) and compare the results:

⚠️ Note: If the speed on Xiaomi is lower than on the laptop on the same network on the 30%+ — The problem is the device settings, not the router. 10% — This is normal (due to the hardware limitations of the smartphone). 📊 What Xiaomi device are you using?SmartphoneTV-The Router (Mi Box) The Router (Other) 2. Wi-Fi Optimization: Channel Selection, Frequency and Hidden Settings MIUI Most users connect to Wi-Fi on the Internet 2.4 This range is overloaded (especially in apartment blocks), and the top speed rarely exceeds 150 Mbit/s. Switch to 5 GHz: Open the Settings → Wi-Fi. Put it on your network. → Change the network. Enable the option → Frequency range: 5 If the networks are on 5 GHz is not available – check your router settings (should support) 802.11ac/ax). If the router supports Wi-Fi 6 (802.11ax), But the speed is still low: 🔧 In the router settings (192.168.0.1 or 192.168.1.1) Select the channel manually (for example, 36 or 149 — they're less loaded). 🔄 Turn it off. WMM (QoS – sometimes it conflicts with Xiaomi. 📶 Set the width of the channel 80 MHz (for MHz) 5 GHz 40 MHz (for MHz) 2.4 How to check if your Xiaomi supports Wi-Fi 6? On Xiaomi smartphones with Snapdragon chipset 865/870/888/8 Gen 1/2 or Dimensity 1000+/1200 There is support for Wi-Fi 6. You can specify the model specifications on the mi.com website (section "Network & Connectivity"). ⚠️ Attention: On Xiaomi with MIUI 12+ There is a bug: when connecting to a hidden network (SSID Hidden speed drops 20–40%. The solution is to make the network visible or upgrade the firmware to HyperOS. 3. Setting up DNS: How to speed up the loading of sites 2-3 times By default, Xiaomi uses DNS ISPs — they're often slow and block some sites. Replace them with public: Go to Settings → Connections → Private DNS. Select the host name of the private provider DNS. Enter one of the addresses: dns.google (Google) 1dot1dot1dot1.cloudflare-dns.com (Cloudflare) dns.quad9.net (Quad9 — Blocks malicious sites) Save and restart your device. For advanced users, if you need to specify IP-address DNS (For example, to play or bypass locks, use the app DNS Changer: Primary DNS: 1.1.1.1 Secondary DNS: 8.8.8.8 On Mi TVs TV Mi Box change and change DNS It can only be done via a router or Smart app. DNS Proxy (requires registration). Run Speedtest before changes Install New DNS Check the speed again Open a blocked site (e.g. telegram.org) Reboot your device --> 4. Accelerating the Mobile Internet (4G/5G): secretive settings MIUI If Xiaomi has slow mobile internet and other phones are fine, the problem is the modem settings: 📶 Network Mode: Go to Settings → SIM-maps and mobile networks → Network type and select 4G (preferably)/5G (if maintained). 🔄 APN: compare the settings with the official from the provider (for example, for MTS it is Internet.mts.ru). 📡 Antenna: if the signal is weak (1–2 Divide, try the settings. → The phone. → All specifications → Equipment test → Network test. For advanced optimization, use the engineering menu (works on most Xiaomi with Snapdragon): Enter in the dialer: ##4636## Select "Phone Information" Scroll to "Set Preferred Network Type" Select "LTE only" or "NR/LTE" (for 5G) ⚠️ Attention: Some Xiaomi firmware after changing the network mode in the engineering menu disappears mobile Internet. The solution is to restart the phone or reset the network settings in Settings → System system → Resetting settings → Resetting Wi-Fi, Mobile Network and Bluetooth. 💡If you have Xiaomi with support 5G, But the network is not catching, check if the option is enabled 5G SA (Standalone) in settings SIM-Some tariffs have it disabled by default. 5. Cleaning the system: what slows down the Internet on Xiaomi Even on top Xiaomi background processes can “eat” up to 30% speed. Check it out: 🔄 Auto Updates: Turn off automatic app updates on Google Play → Settings → Network preferences. 📥 Downloads: In Settings → Annexes → Downloads clear the cache. 🛡️ Security MIUI: Turn off Traffic Scanner and Secure Browser in Settings → Memory. → Clean. Use it for deep cleaning. ADB-commands (requires PC): adb shell pm uninstall --user 0 com.miui.analytics adb shell pm uninstall --user 0 com.xiaomi.midrop These commands will remove unnecessary system services that consume traffic in the background. TV And the Mi Box is the main traffic eater, which is preloading content in Mi Video and PatchWall. → Annexes → Application management → Mi Video → Limit background activity. 6. Update firmware and kernel: when it really helps If all the settings are tried and the Internet is still slow, the problem may be an outdated firmware or kernel. MIUI: Settings → The phone. → Version. MIUI. The last firmware available for your model is on the official website. If the update is available, install it through Settings. → Update the system. For older devices 2020 year (e.g. Redmi Note) 8 Pro, Mi 9) Sometimes it helps to switch to custom firmware (for example, Pixel Experience or LineageOS: ⚠️ Guarantee flies. 🔧 Requires to unlock the bootloader (fastboot oem unlock). 📡 Some models lose support for certain frequencies. 4G/5G. 💡Updating your firmware to the latest version of HyperOS can increase Internet speeds 15–25% stack optimization TCP/IP and modem drivers. 7. Router problems: when it is not Xiaomi's fault If all devices (including laptop) the Internet is slow - the problem is in the router or provider: 🔌 Cable: Replace the patch cord from the provider (often damaged on the bends). 📡 Router mode: in settings (192.168.0.1), select Router Mode only, not Repeater or AP. 🔄 MTU: If the site is not fully open, reduce MTU up to 1472 (in settings) WAN). For routers Xiaomi Mi Router relevant specific bugs: router model 4APost-speed drop 2–3 Workdays offline IPv6 customized WAN Mi Router AX3600Slow Wi-Fi 6 on Xiaomi smartphones Update the router firmware to the version 1.0.219+ Mi Router 3G/3CUnstable signal to 5 GHz Set channel width 40 MHz instead of MHz 80 MHz FAQ: Frequent questions on setting up the Internet on Xiaomi Why is Xiaomi Wi-Fi speed lower than on a laptop? This is normal: smartphones have less powerful antennas and Wi-Fi chipsets. 20% If the gap is bigger, check the settings. DNS, Router mode (should be) 802.11ac/ax) And update Xiaomi's firmware. How to speed up the Internet on Mi TV Box? TV Box S and Mi TV Stick top speed of Wi-Fi is limited 150 Mbps (due to the Amlogic chipset) S905). Solutions: Connect via cable via USB-Ethernet adapter. Install SmartTubeNext instead of the standard YouTube (it is optimized for weak iron). → Apps. Why? 5G Xiaomi is running slower 4G? This is a typical problem for Xiaomi with Snapdragon. 7xx (for example, Poco X3, Redmi Note 10 Causes: Provider uses DNS-servers with low response rates for 5G. In the settings SIM-card included 5G NSA (non-autonomous regime, which depends on 4G. The firmware is outdated (update to) MIUI 14+). Solution: Manually select the mode 4G In the network settings or install DNS Cloudflare (1.1.1.1) Can you speed up the Internet on Xiaomi VPN? VPN It does not increase real speed, but can help in two cases: If the provider trottlit (artificially restricts) traffic for certain services (for example, torrents or Netflix). If sites are slow to open due to geoblocking (VPN with servers in Europe/USA will speed up the download. VPN Xiaomi: ProtonVPN (free), Cloudflare Warp (minimum speed loss). How to reset your network settings to Xiaomi if nothing helps? The last way is to completely reset your network settings: Go to Settings → System system → Select Reset Wi-Fi, Mobile Network and Bluetooth. Confirm action and restart the device. ⚠️ Note: After reset, you will have to re-enter Wi-Fi passwords and configure APN For mobile Internet, save them in advance in a notebook.