Wi-Fi connectivity on Xiaomi devices: from smartphone to router

Why Wi-Fi is important for Xiaomi

Xiaomi devices - from smartphones Redmi and POCO Yeelight smart lamps and Mi Router routers require a stable Wi-Fi connection to work properly. Incorrect network configuration can lead to loss of Internet speed, automatic shutdowns or even the inability to connect to certain functions (for example, to the Mi Home ecosystem).

In this article, we will analyze all possible connection scenarios: from the basic Wi-Fi settings on a smartphone to solving problems with hidden networks, double frequency (2.4/5 GHz) and guest access on Xiaomi routers, focusing on the typical errors that users make when first set up, and give a checklist to check the connection.

If you find that Xiaomi device "can't see" the network, constantly loses connection or gives an authentication error, here you will find solutions. AX6000 or Mi AIoT Router AC2350 We have prepared a separate section with settings for maximum speed and safety.

1. Wi-Fi connectivity on Xiaomi, Redmi and smartphones POCO

The basic procedure for connecting to Wi-Fi on Xiaomi smartphones is the same for most models – from Redmi Note 12 before the flagship Xiaomi 14 Ultra. However, there are nuances that depend on the version. MIUI (Android shells. Below is the instruction for the latest firmware versions (MIUI 14/15).

To connect to the network:

  • πŸ“± Open Settings (the gear icon on the main screen).
  • πŸ”— Select the Wi-Fi partition (in some versions – Connections) β†’ Wi-Fi).
  • πŸ” Turn on the Wi-Fi switch (if it’s off) and wait for the network scans to be taken.
  • πŸ”‘ Click on your network name, enter your password and confirm the connection.

If the network does not appear in the list, check:

  • πŸ“‘ Does the router work (the indicators on the case should burn stably).
  • πŸ”„ Is Hidden Network enabled in router settings (more on this below).
  • πŸ“Ά Does your smartphone support network frequency (e.g. older Redmi models) 5A They don't work 5 GHz).

Is Wi-Fi on your smartphone enabled?

The router is on and gives the network away.

Password entered without errors (registration is important!)

The smartphone is in the network coverage zone (no further than 10 m from the router)-->

It's important! On some models, for example, POCO F5) post-update MIUI 15 can work bug with "perpetual connection" - when the smartphone tries to connect to the network, but the process is stalled:

  1. Forget the network: click on its name β†’ Delete.
  2. Reboot your smartphone.
  3. Reconnect.

2. Wi-Fi settings on Xiaomi routers (Mi Router, AX6000, AC2350)

Xiaomi routers feature a simple setup interface, but have a number of unique features that can confuse newcomers, such as automatic switching between 2.4 GHz and 5 GHz (smart Connect technology) or guest access with a speed limit.

To set up Wi-Fi on the router:

  1. Connect the router to power and wait for the load (the indicator should burn blue).
  2. Connect to the network. Xiaomi_XXXX (default without password or via Ethernet cable.
  3. Open your browser and go to 192.168.31.1 or miwifi.com.
  4. Log in (the default login and password is usually admin).
  5. Go to the Wi-Fi section and set up:
ParameterRecommended valueExplanation
Network name (SSID)Unique (e.g., unique, MiHome_5G)Do not use spaces and Cyrillic, as this may cause connection problems for some devices.
Password.At least 8 characters (Latin) + figure)On Xiaomi routers, the password is register sensitive!
Network mode802.11 a/b/g/n/ac/ax (new-model)For older devices (e.g., Redmi) 4X) choose 802.11n.
Channel width (5 GHz)80 MHz (if supported)Increases speed, but can cause interference in apartment buildings.

A critical feature of Xiaomi routers: if you turn on the function β€œHide” SSID), Some devices (such as Yeelight smart bulbs) will not be able to connect to it, even if you type in the network name manually.

Mi Router 4A

Mi Router AX6000

Mi AIoT Router AC2350

Other (write in the comments)

I don’t use Xiaomi routers.-->

3. Connect Xiaomi smart devices (lamps, cameras, sensors) to Wi-Fi

Xiaomi’s smart devices (like Yeelight lamps, Mi Home Security Cameras, or Aqara sensors) require a Wi-Fi connection to run in the Mi Home ecosystem.

  • 🌐 Most smart devices don’t support 5GHz – they need a 2.4GHz network.
  • πŸ”’ Some models (such as Mi Robot Vacuum) do not work with hidden networks.
  • πŸ“± The Mi Home app is often required to connect (download to Google Play or App Store).

Step-by-step instructions for connecting a Yeelight smart lamp:

  1. Place the lamp in the cartridge and turn on the power.
  2. Launch the Mi Home app and click Add Device.
  3. Select the Lighting category β†’ Yeelight.
  4. Hold the button on the lamp for 5 seconds until it starts to blink.
  5. Enter your Wi-Fi password (2.4GHz network only!).
What to do if the device is not connected?
1. Reboot the router and device. 2. Check that the smartphone is connected to the same 2.4 GHz network as the device. 3. In the router settings, turn off filtering MAC-4. Try using another smartphone to set up (sometimes changing the phone model helps).

If you are using a dual-band router (such as Mi Router) AX6000), Make sure that 2.4 GHz and 5 GHz networks have different names (SSID). Otherwise, smart devices may try to connect to 5GHz and fail.

4. Solving typical Wi-Fi issues on Xiaomi

Even after setting it up properly, users often face problems, and here are the most common ways to fix them:

Problem.Possible causeDecision
Smartphone doesn't see the networkNetwork is hidden or router is running in 5 GHz modeTurn on the display. SSID in router settings or switch to 2.4 GHz.
Permanent Wi-Fi shutdownsBattery savings in MIUI interference from other networksTurn off Adaptive Wi-Fi in Settings β†’ Battery β†’ Performance mode.
Authentication errorIncorrect password or incompatible type of encryptionCheck the register in the password. In the router settings, set it. WPA2-PSK (not WPA3).
Low Internet speedChannel overload or provider restrictionsChange the Wi-Fi channel in the router settings (for example, from 6 to 11 for 2.4 GHz).

A special case: on some models POCO (for example, POCO X3 Pro after updating to MIUI 14 may cause an error "IP-No address received. This is due to a bug in DHCP-The client:

  1. Go to Settings. β†’ Wi-Fi.
  2. Click on the problem network β†’ Change the network.
  3. Enable additional and set static IP (for example, 192.168.31.100).
  4. Specify the gateway 192.168.31.1 and DNS 8.8.8.8.

πŸ’‘

If Xiaomi smartphone constantly loses Wi-Fi when locking the screen, turn off the function β€œStop Wi-Fi in sleep mode” in Settings β†’ Wi-Fi β†’ Additionally. β†’ Sleep regimen.

5. Optimize Wi-Fi for maximum speed and stability

If your Xiaomi router supports modern standards (for example, Wi-Fi 6 on Mi Router) AX6000), You can make connections much faster and more stable:

  • πŸ“Ά Channel selection: For 2.4 GHz, select channels 1, 6 or 11 (they do not overlap). For 5 GHz, channels with less congestion (check in the Wi-Fi Analyzer app).
  • πŸ”„ Smart Connect Technology: If enabled, the router automatically switches devices between 2.4 GHz and 5 GHz. Turn it off if you notice stability issues.
  • πŸ›‘οΈ Safety: Use WPA2-PSK (not WPA3, Some devices don't support it. WPS β€” It's a vulnerable protocol.
  • πŸ“ˆ QoS (Quality of Service): Include in your router settings to prioritize traffic (e.g. for streaming or gaming).

For Mi Router owners AX6000 or Mi AIoT Router AC2350 It's useful to turn on the Mesh network if you have multiple routers, so that devices can automatically switch between them without breaking the connection:

  1. Connect the second router to the main router via cable or by air.
  2. In the web interface of the main router go to work mode β†’ Mesh.
  3. Follow the instructions for networking.

πŸ’‘

For maximum speed on Xiaomi routers, turn off the Bandwidth Control function in the QoS settings if you don’t need it.

6.Security: How to Protect Your Xiaomi Network from Hacking

Xiaomi routers are often targeted by hackers because of the brand's popularity.

⚠️ Note: By default, many Xiaomi routers have weak administrator passwords (admin/admin). Change them in the System section. β†’ Password!

  • πŸ” Wi-Fi Password: Use a combination of letters, numbers, and symbols (e.g. Mi).@2026_Router#5G).
  • 🌍 Disable Remote Access: In the Router Settings (System) β†’ Remote control: Disable access from the Internet.
  • πŸ“‹ Filtration MAC-Addresses: Allow connection only to trusted devices (but remember that this can make it harder to connect new gadgets).
  • πŸ”„ Regular updates: Check the router firmware updates in the System section β†’ Update.

If you suspect that outsiders have connected to your network, check the list of devices in the router’s web interface (Devices). β†’ Connected devices. Strange ones. MAC-Addresses can be blocked or changed Wi-Fi password.

An additional measure: Turn on the visitor's guest network, which isolates their devices from your main network, to set up guest access:

  1. Go to Wi-Fi. β†’ Guest network.
  2. Enable guest access and set a separate password.
  3. Limit speed (e.g., up to 10 Mbps) and disable access to the local network.

7. Connecting Xiaomi to Hidden Networks and Enterprises (WPA2-Enterprise)

If your network is hidden (not broadcasting) SSID) or uses corporate authentication (WPA2-Enterprise), Connection will require additional steps.

For the hidden net:

  1. On your smartphone, go to Settings β†’ Wi-Fi β†’ Add a network.
  2. Enter the network name (SSID) right (with register in mind!).
  3. Select the type of security (WPA2-PSK) and enter the password.

For WPA2-Enterprise (for example, in offices or universities):

  1. B Settings β†’ Wi-Fi β†’ Add network select WPA2-Enterprise.
  2. Specify the authentication method (usually) PEAP or TTLS).
  3. Enter the login/password issued by the network administrator.
  4. In the Anonymous Identity field, please specify anonymous (if required).
  5. In the Certificate Verification section, select Do Not Check (if there is no root certificate).

⚠️ Note: Some Xiaomi models (e.g. Redmi) 9T) when connected to WPA2-Enterprise You may have a "failed to connect to the network" error:

  • Manually set up IP-address DNS (for example 8.8.8.8).
  • Disable Certificate Check in Network Settings.
  • Update your smartphone to the latest version MIUI.

FAQ: Frequent questions about Wi-Fi on Xiaomi

πŸ”Ή Why Xiaomi doesn’t connect to Wi-Fi, even though the password is correct?
Possible reasons: Incompatible type of encryption (try it out) WPA2-PSK instead WPA3). The network is running in 5 GHz mode, and the device supports only 2.4 GHz (check the model specifications). MAC-Addresses on the router (add) MAC Solution: Reboot your router and device, then try to connect again.
πŸ”Ή How to find out my Wi-Fi password if I forget it?
If you are connected to the network on a Xiaomi smartphone: Go to Settings β†’ Wi-Fi. Click on your network name. Select Share (you'll need to type) PIN-A password or fingerprint will be displayed as QR-If you are not connected, go to the router settings (192.168.31.1) and see the password in the Wi-Fi section.
πŸ”Ή Can you connect Xiaomi to two Wi-Fi networks at the same time?
No, Xiaomi smartphones don't support two Wi-Fi networks at the same time (4G/5G) Set up a guest network on the router to share traffic. Some Xiaomi routers (e.g. Mi Router) AX6000) Supports dual connection (2.4 GHz + 5 GHz simultaneously), but it works at the router level, not the device.
πŸ”Ή How to reset Wi-Fi settings on Xiaomi router?
To return the router to factory settings: Find the Reset button (usually deepened into the case) on the back of the router. Press and hold it. 10–15 The router will reboot and you can connect to the default network (Xiaomi_XXXX After reset, reset your router via miwifi.com.
πŸ”Ή Why Xiaomi Smart Devices Aren’t Connecting to Wi-Fi?
Main reasons: The device only supports 2.4GHz, and you're trying to connect it to 5GHz. Hidden Network Mode is turned on (turn it off in router settings). Uses non-standard DNS or MTU (Return the default values.The device was previously tied to another Mi Home account (reset it to factory settings).Solution: Create a separate 2.4GHz network with a simple password (no characters) and try to connect again.