Have you noticed that your Xiaomi smartphone successfully connects to the Wi-Fi network, but the Internet does not work? the connection icon is on, the pages do not open, messengers do not update, and applications give an error “No connection”? This problem occurs in users of all lines, from budget Redmi to flagship Mi and POCO. In 80% of cases, it can be fixed by yourself without contacting the service center.
In this article, we will analyze all possible causes - from banal errors in router settings to specific firmware bugs. MIUI. You will learn how to diagnose a problem in 2 minutes, which parameters to check first, and what to do if standard methods do not help. From Smart Network Switch to Protocol Conflicts IPv6.
Important: If the problem occurred after updating MIUI or replacing the router, immediately go to the section about software failures - there are current solutions for the latest firmware versions (including HyperOS).
Quick Diagnosis: 3 Steps to Determine the Source of the Problem
Before you delve into the settings, follow these simple steps to help narrow down the possible causes from 12 to 2-3:
- Check other devices. Connect a laptop, tablet or other phone to the same Wi-Fi network. If the Internet works, your Xiaomi is the problem. If it isn't, it's the router or the ISP.
- Reboot the router. Turn it off for 30 seconds, then turn it back on, and 30 percent of the time, that solves the problem without doing anything else.
- Turn on/off the plane mode on your phone, which will reset the network settings on the fly and often helps with temporary crashes.
If the Internet was working after this manipulation, it was temporary. If it wasn't, read on.
Router settings: 5 parameters that block the Internet on Xiaomi
Xiaomi phones are particularly sensitive to some router parameters, and here’s what to check first (the instructions are relevant for routers TP-Link, ASUS, Xiaomi Mi Router, Keenetic and others):
- 🔄 Type of security: Xiaomi doesn't work well with legacy protocols WEP and WPA. Install. WPA2-PSK (or WPA3, if the router supports).
- 📡 Wi-Fi channel: Automatic channel selection can lead to conflict. Manually set channel 6 or 11 for the 2.4 GHz band.
- 🔢 For stable operation Xiaomi is better to use 20 MHz (not 40 MHz) in the 2.4 GHz band.
- 🔗 Work schedule. 802.11r (Fast Roaming – it often conflicts with firmware MIUI.
- 🌐 IPv6. Try to turn off support. IPv6 In the router settings (even if the provider supports it).
How to change the settings:
- Open the router’s web interface (usually at 192.168.0.1 or 192.168.1.1).
- Go to the Wi-Fi or Wireless Network section.
- Find the security settings and channel, make changes.
- Save the settings and restart the router.
☑️ Checking the router before calling the provider
⚠️ Note: If you have a dual-band router, try connecting Xiaomi to a 5GHz network instead of 2.4GHz (or vice versa).Some models (like the Redmi Note 8 Pro) have problems switching between bands automatically.
Phone settings: what to check in MIUI
MIUI firmware (and the new HyperOS) have several features that can block Internet access even when connected to Wi-Fi.
- 📱 Data mode. Go to Settings. → SIM-maps and mobile networks and make sure that mobile internet is off. Sometimes Xiaomi prioritizes mobile even when connecting to Wi-Fi.
- 🔄 Auto-switch. Turn off the Smart Network Switch function in Settings → Wi-Fi → It can automatically switch the phone to the mobile Internet when the Wi-Fi signal is weak.
- 🔒 Background restriction. Go to Settings. → Annexes → Data management and check if background traffic is limited for browsers or instant messengers.
- 📡 Static IP. If you've been hand-appointed IP-Address, try to return settings to DHCP (automatic).
Pay special attention to Proxy, where MIUI sometimes spontaneously turns on a proxy server (especially after updates) to disable:
- Go to Settings. → Wi-Fi.
- Click on your network name and select Change Network.
- Scroll down and find the Proxy section.
- Set the value of No.
| Parameter | Recommended value | Why is it important? |
|---|---|---|
| Type of security | WPA2-PSK (AES) | Xiaomi is not stable with WPA3 and TKIP |
| Channel width (2.4 GHz) | 20 MHz | 40 MHz can cause interference and breaks |
| DNS-server | Automatically or 8.8.8.8 | Standard DNS providers can block traffic |
| 802.11n/ac mode | On. | Disconnection leads to a drop in speed and breaks |
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If after changing the Wi-Fi settings, the phone still does not connect to the Internet, try to “forget” the network (hold the network name → “Delete” with your finger) and connect again.
DNS problems: why websites don’t open when your connection is working
Frequent situation: Wi-Fi is connected, the Internet icon is on, but the browser gives an error "DNS-The server is not responding. That means the phone is receiving. IP-address, but cannot convert domain names (such as google.com) into numerical addresses. MIUI It's often because of:
- 🔧 Wrong wrong. DNS from the provider (especially Rostelecom, Beeline, MTS).
- 🛡️ Lockdowns DNS Parental Control or Antivirus.
- 🔄 Cache failure DNS Firmware (often after updates).
How to fix it:
- Set public DNS: Google DNS: 8.8.8.8 and 8.8.4.4 Cloudflare: 1.1.1.1 and 1.0.0.1 To do this, go to Settings → Wi-Fi → Change Network → Additional → IP Settings and select Static. In the DNS1 and DNS2 fields, enter the selected addresses.
- Reset the DNS cache: Install the DNS Changer app from Google Play. tap Flush DNS in the app menu.
Check the router's settings
- Open the router's web interface.
- Find the DNS section or the Internet.
- Make sure that the function is not enabled DNS-relay DNS.
- 📱 Update rollback (if the problem appears after the update): Install the app MIUI bootloader from Google Play. Download the previous stable firmware version for your model. Go to Settings → The phone. → Update system. Click on three dots in the top right corner and select Select firmware file.
- 🔧 Manual editing of a configuration file (for advanced users): If you have root access, open the file /data/misc/wifi/WifiConfigStore.xml And delete all mentions of the problem network.
- Change. MAC-Address (if the provider has linked the internet to another device): Install the application MAC Address Changer. Create a new one MAC Or enter the address of another device that successfully connects.
For Xiaomi users in Russia, it is important: some providers (for example, Rostelecom) block Internet access if the phone settings are turned on VPN In "Always on." Turn it off in Settings. → VPN.
Alternative solutions: if nothing has worked
If all previous methods have failed, try these non-obvious methods:
- 🔄 Reset to factory settings. Before you do, back up your data through Settings. → The phone. → Backup.
- 📱 Firmware via Fastboot. if the phone isn't updated via OTA, Download the official firmware from the Xiaomi website and run through the Mi Flash Tool.
- 🔧 Use of the 4G If you need to get the Internet urgently, activate the hotspot on another phone and connect to it.
- 🛠️ Replacement of Wi-Fi module for Redmi 9 models, POCO X3 mi 10T It costs 1500-2500 rubles in the service center.
For owners of POCO F1, Mi 9 and Redmi K20 Pro there is a unique solution - a rollback to the old version of the Wi-Fi module via ADB:
adb shell
su
setprop persist.vendor.wcnss.qcom_cfg_ini_path /vendor/firmware_mnt/verinfo/ver_info.txt
reboot⚠️ Note: If you decide to flash your phone through Fastboot, make sure you download the firmware specifically for your model and region (Global/EU/China). Firmware version can turn your phone into a brick".
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Before resetting to factory settings, check if your Xiaomi account is linked to your phone.If you forget your Mi-account password, unlocking after reset can take up to 72 hours!