Reconnecting the vacuum cleaner Xiaomi to Wi-Fi after changing the password: full instruction

Changed the password from the home Wi-Fi, and the robot vacuum cleaner Xiaomi stopped responding to commands from the application Mi Home? This problem is familiar to many owners of smart equipment. The vacuum cleaner can not automatically update network data, so you need to manually reconnect. Unlike smartphones or laptops, where it is enough to enter a new password, for Xiaomi gadgets, the procedure is more difficult — you need to reset the network settings of the device and go through the pairing process again.

In this article you will find step-by-step instructions for all popular models (Mi Robot Vacuum-Mop 2 Pro, Viomi). V3, Dreame D9 We will also discuss alternative methods (via Mi Home Lite, Google Home or MiJia) if the standard method does not work. And for those who are afraid of losing saved cleaning cards, there is a unique life hack for backing up data before resetting.

Why Xiaomi vacuum cleaner doesn’t connect to Wi-Fi after changing password

Xiaomi’s robot vacuum cleaners don’t remember multiple networks or automatically update passwords, unlike phones or tablets. When you change the router’s security key, the device loses communication with Mi Home servers and goes offline.

• 🔒 Static Network Key: The vacuum cleaner stores the Wi-Fi password in its memory once (when you first connect) and does not update it when you change the router.
• 📡 Change of change SSID: If you change not only your password, but also your network name (SSID), The device does not recognize the new network as its own».
• 🔄 Router Reset: After a complete router reset (reset button), all connected devices, including the vacuum cleaner, require re-authorization.
• 🛡️ Lockdown MAC-Addresses: Some routers (such as TP-Link or Keenetic) have filtering function by MAC-If the vacuum cleaner was blacklisted, it wouldn't be able to connect even with the right password.

It's important to understand that the problem is not with the vacuum cleaner itself, but with the connection protocol. Xiaomi devices use the Mi Home cloud service to manage, so without an active Internet connection, they become useless. Even if the vacuum cleaner is physically connected to the router (Wi-Fi indicators are on fire), without synchronizing with the servers, it will not execute commands.

Preparing for reconnection: what to do before resetting

Before you reset your vacuum cleaner settings, follow a few critical steps to avoid losing your stored cleaning cards, schedules, and other personal settings.

Take screenshots of cleaning cards in the Mi Home app

Check the version of the vacuum cleaner firmware (Settings) → About the device)

Make sure your router is running in the 2.4 GHz band (5 GHz is not supported!)

Turn off the Guest Network function on the router

Prepare a spare control method (remote or buttons on the body)-->

1. Keep the cleaning cards:

If your vacuum cleaner supports the mapping function (LDS or VSLAM), After the Wi-Fi reset, all the stored cards will be deleted:

1. Open the Mi Home app → Choose your vacuum cleaner.
2. Go to the Map (or Cleaning) section → Maps).
3. Take screenshots of each room (hold your finger on the screen to zoom in).
4. Export the maps to the cloud (if the feature is available in your model).

2. Check the compatibility of the router:

Xiaomi vacuum cleaners only work with 2.4 GHz networks. If your router broadcasts two networks (2.4 and 5 GHz) under the same name (SSID), The device won't be able to connect:

• 📶 Separate networks in router settings (for example, MyWiFi_2G and MyWiFi_5G).
• 🔧 Shut down the defenses. WPA3 — Some models of vacuum cleaners do not support this standard (use this standard). WPA2-PSK).
• 🚫 Make sure that the router has disabled the functions “Band Steering” and “Filtration by” MAC».

⚠️ Note: If you use a mesh system (e.g. Xiaomi Mi Mesh or Google Nest Wi-Fi), temporarily connect the vacuum cleaner to the main router.Some mesh networks block IoT devices due to frequent node changes.

Method 1: Reconnecting over Mi Home (for most models)

This method is suitable for vacuum cleaners Mi Robot, Viomi and Dreame (except outdated models until 2018).+).

Step 1. Reset the network settings of the vacuum cleaner

On the box or in the device documentation, find the Reset button (usually hidden under the lid or next to the power button).

1. Turn on the vacuum cleaner (Power button on the case).
2. Press the Reset button (or Power combination) + Dock for some models for 5-10 seconds until you hear the beep.
3. The Wi-Fi indicator will start flashing orange (or blue) – this means that the device is ready to pair.

Step 2: Adding the device to Mi Home

Open the Mi Home app and follow the instructions:

1. Press. + (add) → Select the category "Vacilities».
2. Choose your model from the list (if it is not, choose another one). → Robot vacuum cleaner).
3. Connect to the MiHome-XXXX temporary network (the password is usually blank or shown on the screen).
4. Select your 2.4 GHz home network and enter a new password.

Step 3: Sync with the cloud

After successful connection, the vacuum cleaner can remain in the status of "Update" for up to 5 minutes. Do not interrupt the process! If after 10 minutes the device does not appear in the list, check:

• 🌐 Region in Mi Home: Must coincide with the region of vacuum cleaner purchase (e.g. China, Europe or Russia).
• 🔄 Firmware Update: If an update is available, install it before setting up.
• 📱 App permissions: make sure Mi Home has access to geodata and Wi-Fi (phone settings) → applications).

💡

If the vacuum cleaner does not find the network, try to temporarily turn off the network. VPN On the phone – some Xiaomi servers block connections due to geo-restrictions.

Method 2: Reconnect via Mi Home Lite (for older models)

If your vacuum cleaner is released before 2019 (for example, Mi Robot Vacuum 1 or Viomi) V1), The standard Mi Home app may not support it, in which case use Mi Home Lite, a lightweight version for legacy hardware.

How to install Mi Home Lite:

1. Remove the main Mi Home app (if installed).
2. Download Mi Home Lite from the official source (link on the Xiaomi website).
3. Register with the same account you used before.

Features of connection:

After installing Mi Home Lite, repeat the steps from Method 1, but subject to limitations:

• 📍 No cloud sync: all settings are saved locally.
• 🔄 Manual firmware update: new versions of the software will have to be installed manually through APK-file.
• 🚫 No integration with Google Home/Alexa.

⚠️ Warning: If the vacuum cleaner fails to “Device not supported” after the reset, check the account region in the Mi Home Lite settings. For Chinese models (Mi Robot Vacuum 1), select the China region (Mainland), even if you are in Russia.

Method 3: Alternative MiJia connection (for advanced users)

If the vacuum cleaner refuses to connect via the application, you can use direct control over the MiJia protocol, which requires technical skills, but works even for “bricks” (devices with damaged firmware).

What you need:

• 💻 Computer with Python 3.6+ or smartphone with Termux.
• 📡 Router with access to settings DHCP.
• 🔧 Miio (installed via pip install python-miio).

Step-by-step:

1. Find out. IP-address of the vacuum cleaner in the network (through the list of connected devices on the router).
2. Get the device token (instruction below).
3. Connect to the vacuum cleaner through the command: miio --ip 192.168.1.100 --token YOUR_TOKEN wifi_config "SSID" "PASSWORD" where 192.168.1.100 — IP vacuumer, YOUR_TOKEN — his token, and SSID and PASSWORD — data.

Advantages of the method:

• ⚡ It works even without an official application.
• 🔧 Allows you to manually configure network settings (e.g. static) IP).
• 🛠️ You can integrate a vacuum cleaner into Home Assistant or other smart home systems.

Disadvantages:

• 🔐 Difficult for beginners (command line work required).
• 🚫 Risk of blocking Xiaomi account with frequent use of informal methods.

💡

MiJia is the only way to bring a vacuum cleaner with a damaged firmware back to life if official methods don't work, but it's easier for ordinary users to use Method 1 or Method 2.

Solving common connection errors

Even if you follow the instructions accurately, the vacuum cleaner can produce errors, and we'll look at the most common problems and their solutions.

Additional advice:

• 🔄 If the vacuum cleaner is “hang” during the connection stage, restart it: hold the Power button for 15 seconds until all the indicators go out.
• 📱 App problems? Try clearing the Mi Home cache (phone settings) → applications → Mi Home → storage).
• 🌍 If you are in another country, use it. VPN with a region corresponding to your Xiaomi account (e.g. Hong Kong for Chinese models).

How to avoid problems in the future: tips for setting up a router

In order not to repeat the reconnection procedure every time you change your password, configure the router taking into account the features of Xiaomi devices.

1.Reserve. IP-vacuum-dress

This will prevent conflicts with other devices and speed up the connection:

1. Go to the router control panel (usually at 192.168.0.1 or 192.168.1.1).
2. Find the DHCP section → Address Reservations.
3. Add the device to the MAC-address (indicated on the vacuum cleaner sticker or in Mi Home).
4. Assign static IP (for example 192.168.1.100).

2. Set up a guest network specifically for IoT devices

Create a separate 2.4 GHz network for smart tech only.

• 🔒 Set a simple password (e.g. 12345678) that you will not change.
• 🚫 Turn off customer isolation (AP Isolation, so that the vacuum cleaner can interact with other devices (e.g., Xiaomi Gateway).
• 📶 Install a fixed channel (Channel 6 or 11) instead of Auto – this will reduce connection delays.

3. Update router firmware

Outdated versions of router firmware (especially TP-Link or ASUS Until 2020) may not work properly with Xiaomi devices. → Update of the PO.

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Encryption

DNS

MTU

FAQ: Answers to Frequent Questions