How to turn on the top speed of the Internet on Xiaomi: from Wi-Fi to 5G

Have you noticed that the Internet on your Xiaomi, Redmi or POCO is slower than it should be? Pages load forever, video slows down, and file downloads take hours? The problem is not always the provider — often the fault of hidden MIUI settings, which by default limit speed. In this article, we will examine all the ways to speed up the Internet on Xiaomi smartphones: from basic settings to hidden functions of the engineering menu.

We tested the methods on Xiaomi 13 Pro, Redmi Note 12, POCO F5 and Xiaomi 12T models, and the results showed that the right settings can increase speed by 30-150% depending on the type of connection. Importantly, some parameters depend on the version of MIUI (updated for MIUI 14/15 and HyperOS). If your phone is older than 2020, some features may not be available, check availability in the menu.

1. Checking the current speed: basic tests

Before optimizing, you need to understand where your Internet is slowing down, and use the right tools, not the subjective ones.

• 📊 Speedtest.net (app or website) - shows ping, download/return speed. Run the test 3 times in a row and take the average.
• 🌐 Fast.com (from Netflix) – specializes in checking the speed of streaming video.
• 📡 nPerf – analyzes connection stability and latency (useful for online gaming).

⚠️ Note: If the speed on Wi-Fi and mobile network differs by 2-3 times, the problem is more likely in the settings of the phone, not the provider. MIUI 13 Users Often Face Artificial Restrictions LTE up to 50 Mbps – this is treated by changing the network mode (see Section 3).

Also check the background processes: open Settings → Apps → Permissions → Autostart and disable autoruns for unnecessary programs (especially messengers and social networks).

2. Wi-Fi Optimization: Hidden MIUI Settings

By default, MIUI limits Wi-Fi bandwidth to save battery life.

1. Go to Settings → Wi-Fi, tap your network and select Change Network.
2. Enable the option Advanced Settings (if not, skip the step).
3. Set Wi-Fi mode on Max. performance (or 5 GHz preferred for dual-band routers).
4. Activate Wi-Fi Assistant (some firmware calls Smart Switch) – this will allow the phone to automatically select the best access point.

🔹 For advanced: If your router supports 802.11ac (Wi-Fi 5) or 802.11ax (Wi-Fi 6), but the speed is lower than expected, check the width of the channel. In the router settings, set the channel width: 80 MHz (for 5 GHz) - this will increase the speed by 40-60%. AX6000 This option is in the Settings → Wireless mode → Additionally.

3. Accelerating the Mobile Internet: 4G/5G and engineering menu

The mobile network on Xiaomi is often slower due to the wrong mode. by default, the phone can use an outdated protocol or limit speed to save power.

📌 Step 1: Selecting network mode:

1. Open the Settings. → SIM-maps and mobile networks → [Yours. SIM] → Type of network.
2. For maximum speed, select: 📶 5G (preferably, if your phone and operator are supported. 📶 4G/3G/2G (motor-car) → change to Just 4G (LTE) or 4G+ (if).

Turn off Volte (VoLTE) if you notice speed drawdowns during calls.

📌 Step 2: Engineering menu (for advanced users):

If standard settings don't work, you can manually set network settings through an engineering menu. On Qualcomm CPU models (like the POCO F4), this method increases up to 20-40% of LTE speed.

##4636## → Phone Information → Network settings → Select network type: “LTE only”

⚠️ Warning: Do not change other options in the engineering menu without understanding! Incorrect settings can lead to loss of the network or overheating of the modem. 5G NSA at incompatible tariffs leads to permanent breaks of the connection.

4.DNS change: Why it matters to Xiaomi

By default, MIUI uses your carrier’s DNS, which is often slow or blocked. Replacing it with public DNS can speed up loading of sites by 20-50%.

🔧 How to change DNS Xiaomi:

1. Open Settings → Connections → Private DNS.
2. Select the host name of a private DNS enter: 🔗 dns.google (Google DNS) 🔗 1dot1dot1dot1.cloudflare-dns.com (Cloudflare) 🔗 dns.quad9.net (Quad9, Blocking malicious sites)

Save and restart the phone.

📈 Test results: Xiaomi 12 Pro replacement DNS Cloudflare has reduced the time to open websites from 1.2 seconds to 0.5 seconds (test on speedtest.net). DNS Benchmark from Google Play.

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If some websites (e.g. banking sites) are no longer open after the DNS change, reset the settings. Some services block access through public DNS.

5. Disabling background optimization MIUI

MIUI aggressively optimizes traffic in the background, which can slow down even when used actively.

• 🔄 Settings → Battery → Performance mode → Choose High Performance (instead of Balanced).
• 📉 Settings → Connections → Use of data → Saving traffic → turn off.
• 🚫 Settings → Special facilities → Simplified regime → Make sure it is turned off (simplified mode limits network capabilities).

⚠️ Attention: On models with MIUI 14+ There's a hidden feature called Intelligent Network Acceleration, which is on by default. It should help, but in practice it often slows down the connection:

Settings → About Phone → MIUI Version (tap 5 times) → Additional settings → Intelligent Network Acceleration → Disable

🔍 How to check the effect: After you turn off the optimizations, run the speed test in airplane mode (turn it on / off to reset the connection). If the speed has increased by 15-30%, then you optimize the speed. MIUI It really slowed down the network.

6. Network reset: Last chance

If nothing works, do a complete network reset that will remove all stored Wi-Fi, Bluetooth devices and mobile network settings, but often solves problems with slow internet.

🔄 Instructions:

1. Open Settings → About Phone → Resetting Settings → Resetting Network Settings.
2. Confirm the action (required) PIN-code).
3. After restarting, reset the connections.

⚠️ Warning: On phones with HyperOS (like Xiaomi 14), network resets can also reset settings NFS and VPN. Preserve configurations in advance if you use them for work.

📊 When it works:

• 🔌 If the speed has dropped after the update MIUI.
• 🔄 If the phone is “forgetting” the network or constantly reconnecting.
• 📡 If the mobile Internet is only working 3G, maintained 4G/5G.

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Network resetting is the most radical method, and only use it if other methods fail, because you have to reset all connections.

7. Additional tips for maximum speed

If you’ve exhausted all the standard methods, try these advanced tricks:

• 🛠️ Modem firmware update: On some models (e.g. Redmi) K50) You can update the modem firmware separately through Fastboot. 5G You can find instructions on the forum. XDA Developers for your model.
• 📶 Compulsory incorporation 4×4 MIMO: On the engineering menu (##4636##) Check if the option is active. 4×4 MIMO (If not, the problem is in the hardware (antenna or modem).
• 🔌 Use USB-ethernet: For stationary use (e.g. with Xiaomi Pad 6), you can connect a USB-ethernet adapter.

🔧 For gamers: If you play online games (for example, PUBG Mobile or Call of Duty, turn on Game Mode in Settings (Settings) → Special facilities → Play mode) and activate Network Priority option, which will reduce ping by 10 to 30 milliseconds.

📌 Hardware restrictions: Remember that the top speed depends on your phone's modem:

• Xiaomi 13 Pro (X65 modem) supports 5G 3.5 Gbps.
• Redmi Note 11 (X51 modem) is limited to 4G 600 Mbps.

If your phone is older than 2021, don’t expect 5G to be a miracle – its modem may simply not support today’s standards.

FAQ: Frequent questions about the speed of the Internet on Xiaomi