How to set up a Xiaomi router 4A Chinese firmware via phone: a complete guide to 2026

Buy Xiaomi Router 4A You can set up via your phone without knowing the characters, so you can understand the logic of the interface and use visual cues, and this router, despite the Chinese version, supports all the key functions: Dual-band Wi-Fi, guest network, parental control and even working with the Internet IPv6. But to make it work in Russian or English, you have to go through a few unobvious steps.

Many users face two main challenges: region locking (a router may require a Chinese phone number to activate) and no language switch in the standard menu, and in this tutorial, we will break through these restrictions, set up basic network settings, and learn to control the router through the Mi Wi-Fi app (even if it is in Chinese).

⚠️ Important: If your Xiaomi Router 4A If you bought it from an official Chinese store (e.g. Taobao or JD.com), it is likely to be linked to the previous owner’s account, and you will need to reset to factory settings before setting up, otherwise access to some features will be limited.

1. Preparation for setting up: what will be needed

Before you start, make sure you have:

  • πŸ“± Smartphone on Android (version 7.0 and higher) or iOS (version 12 and higher).Mi Wi-Fi app does not support legacy OS.
  • πŸ”Œ Power supply for the router. Use the original power supply on the 12V/1A β€” Chinese models may not work with European adapters.
  • πŸ“Ά Access to another Wi-Fi network or mobile Internet on your phone, which is needed for downloading the application and possible firmware updates.
  • πŸ”‘ Paper clip or toothpick to reset settings (if the router has already been used).

If the router is new, you can configure it from scratch. If you use it, do the hard reset:

  1. Put the router on the network.
  2. Find the Reset button on the back (usually recessed in the case).
  3. Press and hold it with a paper clip for 10-15 seconds until the indicators start flashing yellow.
πŸ“Š What is your Xiaomi router?
Xiaomi Router 4A
Xiaomi Router 4C
Xiaomi Router AX1800
Xiaomi Router 4Q
Other

⚠️ Note: After reset, the router will create an open network with the name Xiaomi_XXXX (where XXXX β€” last-minute MAC-Don't connect to it from the main devices, it's a temporary network to set up.

2. Installation and configuration of the Mi Wi-Fi application

The official Mi Wi-Fi app is the only legal way to set up a router via your phone, but the Chinese version doesn't have Russian by default.

Step 1 Download the correct version of the application

  • πŸ“± For Android: use APKPure (choose version 2.8.154 or later). Avoid Google Play - there may be an outdated global version without support for Chinese routers.
  • 🍎 For iOS: the app is only available in the Chinese App Store. unless you have a Chinese Apple ID, Use the router’s web interface (instruction below).

Step 2. Launch the application and select a region

When you first run Mi Wi-Fi, you'll have to choose a country. Key point: select (China), even if you're not in China. This is the only way to access all the functions of the router. If you choose another region, some of the settings will be hidden.

Download APK APKPure|Allow installation from unknown sources|Connect to the temporary network Xiaomi_XXXX|Launch the application and select

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Step 3: Authorization in Mi Account

The app will require you to log into your Xiaomi account. If you do not have one, register through the +86 (Chinese prefix). SMS-confirmation:

  1. Press (phone entry).
  2. Enter any Chinese number (for example, 13800138000 is a test number).
  3. The system will give you an error, but a button will appear.
  4. Enter the username and password from your global Mi Account (if any).

3. Bypassing the binding to the Chinese phone number

The most common problem when setting up Xiaomi Router 4A β€” This is a restriction that occurs if the router was previously activated in China. Here's how to get around it:

Method 1: Use of an alternative activation method

  1. In the Mi Wi-Fi app, at the anchoring stage, click on the small link at the bottom of the screen, which appears in 10-15 seconds.
  2. If there is no link, go back and try again to connect to the router.
  3. After missing activation, the router will work, but without access to cloud functions (for example, remote management).

Method 2: Changing the region through the web interface

If you can’t get activated, try:

  1. Connect to the router's temporary network (Xiaomi_XXXX).
  2. Open your browser and go to 192.168.31.1.
  3. Enter the login / password: by default, this is admin and the password from the sticker on the router.
  4. Move to the β†’ β†’ (extension β†’ system-tools β†’ regional settings).
  5. Select (other) and save. The router will reboot.
What to do if the router requires SMS-confirmation?
If the router is blocked on SMS-It's validated and it doesn't let you skip the step, and the only way out is to flash it with an alternative firmware (like OpenWRT or Padavan), which requires disassembling the case and using it. UART-Without experience, it is better to consult a specialist, since there is a risk of turning the router into a brick".

⚠️ Note: After changing the region through the web interface, the Mi Wi-Fi application may stop seeing the router. In this case, use only the web panel at 192.168.31.1.

4. Wi-Fi settings: network name, password and frequency

Now, to the basic setting of the wireless network, even if the interface is in Chinese, you can find the right items by the icons and the location:

Step 1: Change the network name (SSID) and password

In the Mi Wi-Fi app:

  1. Go to the Wi-Fi tab (Wi-Fi settings).
  2. Press on. 2.4G Wi-Fi or 5G Wi-Fi (depending on the desired range).
  3. In the Wi-Fi field, enter a new network name (Latin!).
  4. In the Wi-Fi field, set a password (minimum 8 characters).
  5. Press (save)

Step 2: Optimization of channels and bandwidth

For stable operation of Wi-Fi:

  • πŸ“‘ For 2.4 GHz, choose the channel 1, 6 or 11 – they are the least crossed.
  • πŸš€ For 5GHz, use 36-48 channels (they are supported by most devices).
  • πŸ”„ Channel width () leave 20 MHz for 2.4 GHz and 80 MHz for 5 GHz.
ParameterRecommended value (2.4 GHz)Recommended value (5 GHz)
Network mode ()802.11 b/g/n802.11 a/n/ac
Channel ()6 (or 1)36 or 149
Channel width ()20 MHz80 MHz
Transmission power ()100%100%

πŸ’‘

If your region allows channel 13 (Europe) but the router does not show it, change the region in settings to (Europe) via the web interface.

5.Security setting: Admin password and guest network

Chinese firmware often has weak default security settings. Here's what you need to change:

Step 1. Change the administrator password

By default, the admin password matches the Wi-Fi password or is listed on a sticker to change it:

  1. In the app, go to β†’ (router β†’ login).
  2. Enter the current password (from the sticker).
  3. Create a new password (minimum 8 characters, with numbers and letters).
  4. Save the changes.

Step 2: Set up the guest network

Guest networking is useful if you want to share Internet access (for example, for friends or smart devices) to enable it:

  1. In the application, select Wi-Fi (guest Wi-Fi).
  2. Activate the Wi-Fi switch.
  3. Set a separate network name (for example, Guest_XXXX).
  4. Set a password or leave the network open (not recommended).
  5. In the Wi-Fi section, disable access to the local network ().

Step 3: Disable remote control

Chinese firmware often includes a remote access function (), which is not secure.

  1. In the web interface (192.168.31.1) go to β†’ β†’.
  2. Uncheck the box.
  3. Save the settings.

πŸ’‘

Never leave remote control on – this allows hackers to access the router over the Internet.

6. Additional settings: IPv6, Parental Control and QoS

After basic setup, you can optimize the router for your needs. Let's consider the most useful features:

IPv6

If your provider supports IPv6, Turn it on to speed up loads and reduce ping:

  1. In the app, go to β†’ IPv6.
  2. Select the mode (auto-configure).
  3. Reboot the router.

Parental control ()

To limit Internet access for certain devices:

  1. In the app, select.
  2. Click and select the device from the list of connected devices.
  3. Set time limits or block specific sites.

QoS (Quality of Service)

If you have a slow internet connection, prioritize traffic for important devices.

  1. Move to the β†’ QoS.
  2. Turn on the QoS.
  3. Select the devices you want to prioritize (e.g. Smart) TV work-laptop).
How to check if it works IPv6?
Open on any device connected to the router, the site test-ipv6.com. If you see"10/10", signifier IPv6 rightly.

7. Update firmware and change the interface language

Chinese firmware is updated frequently, but it doesn't always add support for other languages. Here's how to upgrade and try changing the language:

Firmware update

To check for updates:

  1. In the Mi Wi-Fi app, go to β†’.
  2. If there is an update, click.
  3. Do not turn off the router during the upgrade (it can take up to 5 minutes).

Changing the interface language

Most Chinese firmware doesn’t have a built-in language switch, but you can try:

  1. Connect to the router via the web interface (192.168.31.1).
  2. In the address bar of the browser add to URL?lang=(e) for example, 192.168.31.1/?lang=en).
  3. If it works, the interface will switch to English. Save the page bookmarked.

⚠️ Warning: After updating the firmware, all settings will be reset to factory! Pre-save screenshots of key parameters (Wi-Fi passwords, port settings, etc.).

8. Alternative firmware: when to re-flash

If you are not satisfied with the restrictions of Chinese firmware, you can install an alternative, for example:

  • 🌐 OpenWRT - open firmware with wide customization options.
  • πŸ”§ Padavan – optimized firmware for Xiaomi routers with Russian language.
  • πŸ›‘οΈ DD-WRT β€” For experienced users, support VPN Advanced security features.

When to ask again:

  • If you need Russian language in the interface.
  • If the router blocks access to certain sites (for example, because of Chinese) DNS).
  • If you want to use a router as a VPN-server.

Risks of flashing:

  • Loss of warranty (if any)
  • The ability to turn a router into a brick if you make an error.
  • Not all functions can work consistently (e.g., a Mesh network).

πŸ’‘

Reflashing Xiaomi Router 4A requires contact rationing to access UART. Without experience, it is better to entrust this to a specialist.

FAQ: Frequent questions about setting up

The router is not connected to the Internet.
Check: The cable from the provider must be connected to the port WAN (In the router settings (192.168.31.1), go to and select the correct connection type (PPPoE, IP or IP). If the provider has a binding MAC-address, clone. MAC your old router in the section MAC.
Can I set up a router without the Mi Wi-Fi app?
Yes, via web interface: Connect to the router network (Xiaomi_XXXX). Open it in your browser. 192.168.31.1. The default login and password is admin and the password from the sticker. Note: the web interface has fewer features than the app.
How to reset a router if you forget your password?
Perform Hard Reset: Press and hold the Reset button on the back 15 The indicators should flash yellow, and then the router will restart. Xiaomi_XXXX and reset the router. ⚠️ All settings, including Wi-Fi passwords, will be deleted!
Why does the router stop and shut down?
Possible causes and solutions: πŸ”₯ Overheating: Put the router in a ventilated place, away from the sun. πŸ“Ά Channel congestion: Change the Wi-Fi channel in settings (e.g. 6 to 11). πŸ”„ Old firmware: update the software through. πŸ”Œ Lack of power: Use the original power supply.
Can I use this router in Russia without any problems?
Yeah, but there's nuance: βœ… Works with all Russian providers (Rostelecom, Beeline, MTS, etc.). ⚠️ Some models may not support channel 13 in the 2.4 GHz band (resolved by changing the region to the 2.4 GHz band ). ❌ No official support in Russia – warranty repairs are only possible through unofficial service centers.