Why Xiaomi is not catching Wi-Fi: a full analysis of the causes and solutions (2026)

Your Xiaomi Redmi Note 12, POCO X5 or Mi TV A2 Does the Wi-Fi home network suddenly stop seeing, and does the connection indicator flash or not? the problem is found on both new and old devices - from budget Redmi 9A Xiaomi 14 Ultra, which is the flagship Xiaomi, and 80 percent of the time, it's not hardware failures, but software failures or router settings that are wrong?

In this article, we will analyze all possible reasons why Xiaomi does not catch Wi-Fi – from the banal disabled mode of the aircraft to hidden firmware errors. MIUI 14 or HyperOS. You'll get step-by-step diagnostic instructions, checklists, and a table on how routers can be compatible with Xiaomi devices. And if the problem turns out to be hardware, you'll learn how to estimate the cost of repairs before you go to the service center.

If your device stops seeing Wi-Fi after falling, getting moisture or disassembling itself, there's a 99% chance of physical damage to the antenna or chip, in which case you can't do without opening the case and soldering. In all other cases, read on.

1. Basic checks: what to do before digging deeper

Start with the obvious, sometimes the problem isn't with your smartphone or your Xiaomi TV, but with your signal sources or operating system settings.

• 📶 Check the router: reboot it (pull out the plug for 30 seconds), make sure the Wi-Fi indicator is green/blue instead of red. Try connecting to the network from another device (laptop, tablet).
• ✈️ Airplane mode: Xiaomi can activate it by accident — swipe down the notification panel and check the icon of the aircraft. TV Press the Settings button on the remote for 5 seconds.
• 🔄 Reboot the device: Hold the power button 10 seconds before vibration (on smartphones) or pull the plug out of the socket (on TVs) for 1 minute.
• 📱 System Updates: Go to Settings → The phone. → Update MIUI (Or HyperOS. On Mi. TV Path: Settings → About the device → Update of the PO.

If you haven't had Wi-Fi after this manipulation, move on to the next section, but first answer the question:

2. Wi-Fi settings on the device: what could have gone wrong

Operating systems MIUI HyperOS and HyperOS are known for their abundance of hidden features that can block network connectivity:

Resetting network settings

The fastest way to get back to factory connectivity is to reset your network settings, which will delete all stored Wi-Fi passwords, but will not affect personal data.

1. Open the Settings. → Wi-Fi.
2. Slip on three points in the upper right corner →
3. Select Reset Wi-Fi, Mobile Network and Bluetooth settings.
4. Confirm the action and restart the device.

For Mi. TV The other way: Settings → Networks and the Internet → Resetting network settings.

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If after reset the network is still not visible, try to manually add it: in the Wi-Fi menu, click Add Network and enter the name (SSID) password.

Energy conservation limitations

Xiaomi aggressively optimizes the background operation of modules to save battery, which can lead to a wifi break.

• 🔋 B Settings → Battery → Battery mode select Performance (disables restrictions).
• 📴 B Settings → Annexes → Application management → Three points. → Special access → Battery Optimization Find Wi-Fi Settings and Turn Off Optimization.

Conflict IP-address

If the device connects to the network but the internet doesn’t work (Wi-Fi icon with exclamation point), the problem may be in the duplicate. IP. Decision:

1. Forget the network: click on its name in the list of Wi-Fi → Delete.
2. Connect again, but before entering the password tap additionally.
3. In the field IP Select Static and enter: IP: 192.168.1.100 Gateway: 192.168.1.1 Mask: 255.255.255.0 DNS: 8.8.8.8, 8.8.4.4

Router problems: why Xiaomi doesn’t see the network

In 40 percent of cases, it's not the smartphone or the TV that's the router that's to blame, especially if other devices like the laptop or the tablet are also having problems.

3.1 Incompatibility of Wi-Fi standards

Xiaomi devices (especially newer models) support Wi-Fi standards 6 (802.11ax) and Wi-Fi 5 (802.11ac), They may be in conflict with older routers that only work on 802.11b/g/n. Check the settings:

To change the mode on the router:

1. Enter in the browser 192.168.1.1 or 192.168.0.1 (login/password usually admin/admin).
2. Find the Wi-Fi or Wireless Mode section.
3. In the Standard or Mode settings, select the mode recommended for your model (see table above).

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If your router is older than 5 years, it may not support modern standards, in which case only replacing the router or rolling back the firmware on the Xiaomi device will help.

Hidden network (SSID)

Some routers are configured to hide the network name (Hide). SSID). Xiaomi devices may not see such networks automatically:

• 🔍 Turn on the display. SSID in router settings (wi-fi section) → Basic Settings).
• 📲 On your smartphone, manually add network: Settings → Wi-Fi → Add a network → Enter your name and password.

Channel and bandwidth

Overloaded channels (for example, 6 or 11 in the 2.4 GHz band) or too wide bandwidth (40 MHz in a noisy environment) can cause problems.

• 📡 For 2.4 GHz: channel 1, 5 or 9; width 20 MHz.
• 📶 For 5 GHz: channels 36–48 or 149–165; width 20/40/80 MHz (automatically).

4. Software failures: when firmware is to blame

Updates MIUI If you have a Wi-Fi problem after you upgrade, it's probably a firmware bug:

Recoiling of the update

If Wi-Fi stopped working after the upgrade (for example, with the MIUI 13 on MIUI 14), you can return the previous version!

⚠️ Note: Firmware rollback on Xiaomi blocks the possibility of receiving OTA-Use this method only if you are sure that the new version contains a critical bug.

Instructions:

1. Download the old firmware for your model from the Xiaomi Firmware Updater website.
2. Rename the file to update.zip and place it in the root of the device memory.
3. Go to Settings. → The phone. → Updating the system → three-point → Select the update file.

Reset to factory settings

If the rollback didn't help or you don't want to take risks, do a full reset.Important: pre-backup through Settings → Additionally. → Backup and reset.

For smartphones:

1. Settings → About phone → Reset settings → Delete all data.
2. Enter PIN- code and confirm.

For Mi TV:

1. Settings → About the device → Resetting and remediation → Total reset.
2. Confirm with the code from the remote (usually 1234 or 0000).

Manual firmware update via Fastboot

If the device doesn't boot or Wi-Fi doesn't work even after the reset, you'll have to manually flash through the Fastboot, which requires a PC and command line knowledge.

⚠️ Warning: Incorrect firmware via Fastboot can turn the device into a brick. Use only official firmware from Xiaomi website.

Instructions:

1. Install Platform Tools and Xiaomi drivers.
2. Turn off the device, press the volume down. + Food for entering the Fastboot.
3. Connect to your PC and execute the command: fastboot flash all [firmware name].zip

5. Hardware malfunctions: when without repairs can not do

If none of the software methods worked, the problem is probably hardware.

5.1. damage to the Wi-Fi antenna

The antenna may come off when falling, moisture or unskilled repairs.

• The device does not see any Wi-Fi network (even public ones).
• The signal appears only next to the router (1-2 meters).
• B Settings → The phone. → Status. SIM (Network status: Wi-Fi status: Disconnected or Error.

Solution: Replacement of the antenna or soldering of the antenna, average cost of repair in service centers.

5.2 Failure of the Wi-Fi module

Module Wi-Fi/Bluetooth (chip WCN or Broadcom) may fail due to overheating, short circuit or factory defect:

• Wi-Fi and Bluetooth stopped working at the same time.
• The device sees the network but does not connect (writes authentication... or receives) IP-address).
• In the system logs (through ADB) fault wifi_load_driver_fail.

Solution: Replacement of the module. On Xiaomi smartphones, it is often combined with the Bluetooth module, so the repair price is higher:

• 💰 Redmi/POCO: 2 500–4 000 ₽.
• 💰 Mi series: 3,500–6,000 ₽.
• 💰 Mi TV: 4 000–7 000 ₽ (need a complete disassembly).

Problems with the motherboard

If other functions (charge, speaker, camera) don't work with Wi-Fi, the motherboard is to blame.

• 🔥 Burnt capacitors or power chips.
• 💧 Corrosion after moisture is injected.
• 🔌 Incorrect battery connection after replacement.

⚠️ Note: motherboard repair costs 50-80% of the cost of a new device. If Xiaomi is older than 3 years, it is more cost-effective to buy a replacement.

6. Specific problems of Mi TVs TV

Xiaomi TVs have unique Wi-Fi issues related to PatchWall firmware and hardware architecture.

6.1. "No Internet connection" error when Wi-Fi is running

Symptom: the TV is connected to the network, but says No Internet access.

• 🌍 Lockdown DNS: Mi TV Chinese DNS Defaults that may be blocked by the provider.
• 🔒 Restrictions of Parental Controls on the Router.
• 📦 PatchWall app cache failure.

Decision:

1. Change. DNS on TV: Settings → Networks. → Additionally. → Setting up IP → DNS → specify 8.8.8.8 and 1.1.1.1.
2. Turn off parental control on the router (Parental Control section).
3. Reset the PatchWall cache: Settings → Annexes → Application management → PatchWall → Clear the cache.

6.2. Mi TV doesn't see 5GHz

Many Mi models TV (especially budget series A2, L32) do not support 5GHz band due to chipset limitations. check the specifications of your model on the Xiaomi website.

If your TV should support 5GHz but can’t see it:

• 🔄 Restart the TV (pull out the fork for 1 minute).
• 📡 On the router, turn on support 802.11a (wifi → Advanced).
• 🔧 Update the TV firmware to the latest version.

Permanent breaks of connection

If Mi TV Loses contact every 5-10 minutes, blame:

• 📶 Weak signal: check the level in Settings → Networks. → Network status. -70 dBm, close the router or use a repeater.
• ⚡ Lack of power: connect the TV to another outlet (no extension cords).
• 🔄 Conflict IP: set up a static TV set IP router-setting.

7. Alternative ways of connecting to the Internet

If Wi-Fi never works, you can use other methods of connectivity, and consider the options for smartphones and TVs:

7.1. USB-modem (for smartphones)

If the smartphone does not work Wi-Fi, but there is mobile Internet, you can distribute it to another device:

1. Turn on the mobile data.
2. Go to Settings. → Access Point and modem → USB-modem.
3. Connect your phone to a PC or laptop via cable.

Ethernet adapter for Mi TV

If the TV doesn’t catch Wi-Fi, there’s a port HDMI (ARC) or USB, You can use an Ethernet-to-USB adapter (e.g. Xiaomi Mi). LAN Adapter. Connection:

1. Buy an adapter with a chip AX88179 (compatible with Mi TV).
2. Connect one end to the TV, the other to the router via cable.
3. In the network settings, select Wired Connection.

Modem mode on another device

If you have a second smartphone (such as an iPhone or Samsung), you can give it Wi-Fi:

• 📱 On Android: Settings → Access point → Portable access point.
• 🍎 On iPhone: Settings → Modem mode.

8.When to contact the service center

If you’ve tried all the methods in this article, but Wi-Fi still doesn’t work, it’s time to call a professional.

Where to look for official Xiaomi service centers:

• 🌍 On the official website (Service section).
• 📍 Through maps: Enter the Xiaomi service center near me.
• 📞 On the phone: 8 800 775-66-38 (hotline).

⚠️ Warning: Unofficial services may use unoriginal parts, which will lead to repeated breakdowns. Always require a warranty for repairs (at least 3 months).

Average repair time:

• 🔧 Replacement of antenna: 1-3 days.
• 📡 Wi-Fi module replacement: 3-5 days (parts required).
• 🖥️ Maternity Board Repair: 5-10 Days.

FAQ: Frequent questions about Wi-Fi issues on Xiaomi