Technology WPS (Wi-Fi Protected Setup allows you to connect devices to the Wi-Fi network without entering a password - just press a button on the router or enter PIN-In Xiaomi routers (Mi Router series) 4A, AC2100, Pro and others) this feature is there, but it's not always on by default. In this article, we'll discuss how to activate it. WPS via the web interface and the Mi Wi-Fi mobile app, where the physical button on the case is located, and why it is sometimes better to do without this technology.
Attention: WPS It's convenient, but it's not secure. PIN-If you are interested in data protection (for example, for a smart home or working with banking applications), consider alternative ways to connect. QR-code WPA3.
We tested the instructions on the latest firmware (2026) for popular Xiaomi models. If your router is older than 2019, some menu items may differ - read about this in the section on outdated devices.
What is WPS and why you need it on the Xiaomi router
WPS (Wi-Fi Protected Setup is a simplified Wi-Fi connection standard developed by the Wi-Fi Alliance in 2006, which aims to eliminate the need for users to enter long passwords when adding new devices (printers, smart TVs, speakers, etc.). On Xiaomi routers, the function is supported in two modes:
- 🔘 Button WPS — Physical or virtual (web interface) Pressing activates the connection mode for 2 minutes.
- 🔢 PIN-code is an 8-digit code that you need to enter on a connected device. By default, on Xiaomi, it is equal to the last 8 digits. MAC-router.
Advantages WPS on Xiaomi routers:
- ⚡ Quickly connect guest devices (for example, friends do not have to dictate a password).
- 📱 Convenient for gadgets without on-screen keyboard (smart sockets, Yeelight light bulbs).
- 🔄 Automatic traffic encryption (used) WPA2 or WPA3, depending on the router setting).
However, the technology has critical shortcomings:
⚠️ In 2011, a vulnerability was discovered in the generation algorithm. PIN-code WPS. An attacker can go through all possible combinations in 4-10 hours without even knowing the source code. If your Xiaomi router is connected to the Internet, the risk of network hacking increases.
Where is the button WPS on the router Xiaomi: photo and description
Physical button WPS Not all Xiaomi models have it. Here's how to find it:
| Model router | Positioning of the button WPS | Notes |
|---|---|---|
| Mi Router 4A (Gigabit Edition) | On the back, next to the Reset port | The button is combined with the power indicator (press and hold 1-2 seconds). |
| Mi Router AC2100 | On the underside of the body (under the sticker) | It takes a thin object (clip) to press. |
| Mi Router Pro | There is no physical button. | Activation only through the web interface or application. |
| Mi Router 3G/4C | On the side panel (right) | The button is signed as WPS/QSS. |
If the button is not there, it is replaced by virtual activation in the settings. 4A (Gigabit) WPS It is enabled only software-based via Mi Wi-Fi App or the administrator panel at 192.168.31.1.
What does the button look like? WPS Xiaomi:
It is usually a small round button with a sign. WPS or icon 🔄 (Two arrows in a circle. New models (AX3000, AX6000) It is replaced by a touch panel – you need to hold your finger on the icon. WPS 3 seconds.
What to do if the WPS button doesn’t work?
How to turn it on WPS on Xiaomi via web interface (192.168.31.1)
The most reliable way to activate WPS — You can use the admin panel:
- Connect your computer or smartphone to the router network (via Wi-Fi or cable).
- Open your browser and type in the address bar 192.168.31.1 (or miwifi.com).
- Log in. The default login and password is admin/password from the sticker on the router.
- Go to the Settings section → Wi-Fi → Additional (or Advanced Settings) → WPS English-language firmware).
- Activate the switch Turn on WPS (Enable WPS).
- Select the connection method: Push Button or PIN-code (PIN).
Screenshots for clarity:
In modern firmware Xiaomi section WPS If you don't find a point, update the router's firmware through the System. → Update.
☑️ Preparation for inclusion WPS
Important: After activation WPS The router will be vulnerable to attacks within 2 minutes (mode time.
Inclusion WPS via Mi Wi-Fi app (from phone)
The Mi Wi-Fi mobile app (available for Android and iOS) allows you to control the router remotely. WPS:
- Download the app from Google Play or the App Store.
- Connect your phone to the Xiaomi router network.
- Open Mi Wi-Fi and log in (use data from the router sticker).
- Go to the Devices section → Wi-Fi settings → WPS.
- Press Enable. WPS and select the method (button or PIN).
- On a connected device (such as a printer), activate the mode WPS within 2 minutes.
The annex may also include:
- 📋 Look at the current one. PIN-code WPS (in the section Information about the router).
- ⏱ Set an automatic shutdown timer WPS (safety-friendly).
- 🔄 Reboot the router after changing the settings.
If there is no Wi-Fi in Mi WPS, Update the app or check the compatibility of your router model. for example, Mi Router Mini does not support WPS via mobile app.
1. Reboot the router.
2. Temporarily disable filtration MAC-addresses in security settings.
3. make sure that the device supports WPA2 (WPS It doesn't work with the old WEP).-->
How to connect your device to Xiaomi via WPS: step-by-step
Consider two scenarios: connecting via a button WPS through PIN-code.
Method 1: Connecting by button WPS
- Activate. WPS router: On the physical button: press and hold 1-2 seconds (the indicator should flash yellow). WPS Wi-Fi section → WPS.
Xiaomi Smart Band
WPS
Easy Connect
Wait for the connection (up to 2 minutes). If the process is delayed, repeat the steps.
Method 2: Connection to PIN-code
- Find out. PIN-code WPS your router: On the sticker on the underside of the case (usually the last 8 digits) MAC-In the web interface: Settings → Wi-Fi → WPS → PIN-code.
Xiaomi
WPS PIN
Wrong. PIN
Example of connecting Xiaomi Mi Box S through WPS:
In the console menu go to Settings → Network → Wi-Fi → Additionally. → WPS. The router must be in standby mode (blinking indicator).
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If the device does not support WPS (For example, older Android 5.0 smartphones, use alternative methods: QR-code (in Mi Wi-Fi App) or classic password.
Typical errors in the inclusion WPS Xiaomi and how to fix them
Even with the right settings WPS It might not work. We'll look at common problems and solutions:
| Mistake. | Reason. | Decision |
|---|---|---|
| WPS button does not respond | Outdated firmware or mechanical breakdown | Update the router software or use virtual activation in the web interface. |
| The device does not see the network after activation WPS | Incompatibility of Wi-Fi standards (e.g, 802.11n vs 802.11ac) | In the router settings, turn on compatibility mode (b/g/n). |
| Mistake "Incorrect" PIN-code" | P.IN dropped off after firmware update | Look at the new one. PIN in the web interface or reset the router to factory settings. |
| WPS shuts down in 30 seconds. | Time-out by default in firmware | Set a manual timeout (maximum 120 seconds) in Additional settings WPS. |
If the router makes a mistake WPS locked, which means there have been too many failed connection attempts. You can only unlock by resetting (Reset button for 10 seconds).
⚠️ Note: On Xiaomi routers with Developer Version firmware (for example, for Mi Router) 3G) WPS It can be disabled at the kernel level, and then only flashing to a stable version will help.
Security WPS Xiaomi: Risks and how to minimize them
As mentioned earlier, WPS — This is how to reduce the risks when using it on Xiaomi routers:
- 🔒 Turn it off. WPS In the web interface, check the box Automatically disable WPS plug-in.
- 🔄 Change. PIN-The default code. WPS → Settings PIN Create a new 8-digit code.
- 🛡 Activate the filtering. MAC-Allow connection only to trusted devices (Settings) → Security → Filter MAC).
- 🔄 Update the firmware of the router. in new versions Xiaomi closes vulnerabilities WPS (For example, in firmware 2023-2026 added protection against brute force).
Alternatives WPS securely:
- 📱 QR-In Mi Wi-Fi App, generate the code QR guest-access.
- 🔑 Guest Network: Create a separate network with a simple password (Settings) → Wi-Fi → Guest network).
- 🔗 WPA3: Use a modern encryption standard (available on the Internet) AX6000, AX3000).
If you need to connect a device without a screen interface (such as Xiaomi Mi Air Purifier), but you do not want to risk using a device that is not a screen interface. WPS, Use the mode AP (Access point) on the router. Create a temporary network without a password, connect the device, and then return the basic settings.