Updating your internet equipment at home often becomes an unexpected obstacle for owners of smart devices. If you've upgraded your router or changed your provider, your smart gadgets It will take time to find the network again. Robot vacuum cleaners Xiaomi, Roborock And Viomi are no exception to the rule, as they are not able to independently read new passwords from the air without human intervention.
The reconnection process requires a complete reset of the device's network settings. Simply restarting the router won't be enough, as the device continues to search for a familiar SSID (network name) with saved access keys. In this article, we'll detail how to properly reconfigure your router so that it works. robot vacuum cleaner I started using my smartphone again.
The first thing you need to do before starting work is to make sure the new router is fully configured and distributing internet. It's important that the network standard is active. 2.4 GHz, as most vacuum cleaner models do not support the 5 GHz frequency. If you have a dual-band router, make sure you know the exact name of the 2.4 GHz network to avoid confusion when selecting an access point in the app.
It is also critically important to check that the module is enabled on your smartphone. Bluetooth and geolocation access is open. Modern versions of operating systems Android And iOS These permissions are required to transmit Wi-Fi passwords to external devices during the pairing process. Without this step, the device discovery process may take an unreasonably long time or result in an error.
Preparation of equipment and software
Before you start manipulating the buttons on the vacuum cleaner body, you need to prepare the software. Make sure the application Mi Home (or Xiaomi Home) updated to the latest version via the official app store. Older versions may not work correctly with new security protocols implemented by router manufacturers.
Beforehand, remove your vacuum's old profile from the device list in the app if it still shows as "offline." This will help avoid conflicts when re-registering. Long-press the device icon, select "Delete" or "Unlink," and confirm. This will clear the cache of old network settings on the server side.
Check the cleaner's battery. It should be at least 20% charged, although it's best to place it back in the base before starting work. During the reconnection process, the device may reboot its network modules several times, which will require a stable power source. If the battery runs out while writing new configurations, the process will have to be restarted.
Resetting Wi-Fi settings on a robot vacuum cleaner
The most important step is to force the Wi-Fi module into pairing mode. On most models Xiaomi And Roborock (e.g. S5, S6, S7, S8, 1S) a button combination is used for this. Typically, you need to simultaneously press the "Home" (house icon) and "Power" buttons.
Hold both buttons for 5-7 seconds until you hear the voice prompt "Reset Wi-Fi." The network indicator on the vacuum cleaner should start flashing blue (or orange, depending on the model), indicating it's in standby mode. If the vacuum cleaner simply turns off, try pressing the buttons again, but with less force to avoid activating other functions.
☑️ Factory reset algorithm
For some specific models such as Roborock S7 MaxV or newer versions, the procedure may differ. In such cases, you may need to open the dust compartment cover and locate the hidden reset button, or press and hold (more than 10 seconds) the only control button. Always consult the instructions for your specific model if the standard combination doesn't work.
What to do if the indicator does not blink?
If the indicator light doesn't turn on after the reset or remains steady, try completely discharging the device's battery before turning it off, then charging it. After turning it on, try the reset procedure again. In rare cases, you may need to reflash the device via the service menu.
The re-pairing process in the Mi Home app
After successful reset, open the application Mi Home On your smartphone. Tap the plus sign in the upper right corner of the screen to add a new device. The app will automatically scan for devices. If the automatic search doesn't yield any results, select "Add Manually" and find your model in the list or search by name.
When the setup window appears, select your new router from the list of available networks. Enter the Wi-Fi password. Be careful: the password is case-sensitive, and errors often occur due to incorrectly entered characters or spaces at the end of the line. Click "Next" and wait while the app attempts to connect to the vacuum.
At this point, the phone will transmit router data to the cleaner. You will hear a voice confirmation: "Network connection successful" (or similar in English/Chinese). The Wi-Fi indicator will stop flashing and turn solid. The device's status will change from "Standby" to "Online."
If the process freezes at 99% or returns a timeout error, try disabling your smartphone's mobile data (3G/4G/5G) during setup. Sometimes the phone tries to use mobile data instead of Wi-Fi to connect to the server, which blocks the local password transfer to the device.
Compatibility table and common mistakes
Not all routers and settings are equally well-received by smart devices. Below is a table to help diagnose the problem if the standard procedure doesn't help. Pay attention to the encryption type and channel width, as these are key parameters for stable operation. IoT devices.
| Network parameter | Recommended value | Possible problem |
|---|---|---|
| Wi-Fi frequency | 2.4 GHz | The vacuum cleaner doesn't see the 5 GHz network. |
| Channel width | 20 MHz | Unstable connection at 40 MHz |
| Encryption | WPA2-PSK (AES) | WPA3 connection failure |
| Network name (SSID) | Latin, without special characters | Network name encoding error |
Particular attention should be paid to encryption. WPA3Many new routers default to mixed WPA2/WPA3 mode or WPA3 only. Vacuum cleaners Xiaomi Older routers may simply ignore such networks. Temporarily switch security to WPA2-PSK, perform the binding, and then try to change the settings back.
Another common mistake is using special characters in the network name, such as quotation marks, spaces at the beginning or end, or characters from national alphabets (Cyrillic, Chinese, and Chinese characters). For a smart home, the ideal standard remains a network name consisting only of Latin letters and numbers.
Troubleshooting region and server issues
One of the most common reasons for unsuccessful reconfiguration is a mismatch between the region in the application and the region of the device. Global versions (Global Version) and Chinese versions (Chinese Version) operate on different servers. If you previously configured the vacuum cleaner with the "China" region, then when reconnecting, the "China" region must be selected in the app settings.
To check or change your region, go to your user profile (the person icon) and select "Settings." There you'll find the "Region" option. Changing your region will clear the list of devices in the main menu, but this is necessary for proper operation. After changing your region, repeat the process of adding a device again.
⚠️ Please note: When changing the region in the Mi Home app, cleaning history and room maps may be lost, as they are stored on the server of the selected region. Make sure you selected the same region as when you initially set up the device.
If you're using the Chinese version of the vacuum cleaner but live in Europe, the servers may be slower, and the connection will take longer. In this case, be patient and don't interrupt the process, even if the app seems to freeze. Connection stability is more important than interface responsiveness in this case.
Additional router settings for stability
For owners of advanced routers (for example, Mikrotik, Keenetic, Asus (with Merlin firmware) it's worth checking additional settings. Make sure client isolation isn't enabled on the router (AP Isolation). This feature prevents devices within the local network from exchanging data, making it impossible to control the vacuum cleaner from a smartphone.
It's also recommended to reserve a static IP address for your robot vacuum in your router's DHCP settings. This will prevent situations where, after a router reboot, the vacuum receives a new IP address and the app loses connection until it reconnects. Find the device in the client list by its MAC address (indicated on the sticker below) and assign it an address.
Why do you need a static IP?
IP address locking is useful not only for stability but also for integration with smart home systems like Home Assistant. This allows for local control of the device without the delays typical of cloud-based control.
If you have a complex mesh router system, try approaching the main router (the primary access point) with a vacuum cleaner and your phone during setup. After successful pairing, the device will automatically switch to the nearest access point, but it's best to perform the initial handshake at the source.
Frequently Asked Questions (FAQ)
Is it possible to reconfigure a vacuum cleaner without resetting the buttons?
In most cases, no. The security protocol prevents a new password from being transmitted to the device. However, if you simply changed the password for the same SSID (network name), some models may attempt to reconnect, but a hard reset by holding down the buttons is more reliable.
The vacuum cleaner connects, but says "Device is offline."
This means the connection between the app and the server is intact, but local connectivity to the vacuum has been lost. Check to see if your router's firewall is blocking the device's outgoing connections. Also, try rebooting the router after the vacuum successfully connects to Wi-Fi.
Do Xiaomi vacuum cleaners support 5GHz network?
The vast majority of models (Mi Robot Vacuum Mop P, Roborock S5/S6 and others) only support the 2.4 GHz frequency. If your router combines both frequencies under one name, try temporarily separating them in the router settings to ensure your phone connects to the 2.4 GHz frequency during setup.
What should I do if the app doesn't detect the vacuum cleaner after a reset?
Make sure you're close to the device (up to 1 meter). Check if the Wi-Fi indicator is flashing intermittently. If the indicator is steady, the reset was unsuccessful—repeat the procedure. Also, try deleting the Mi Home app, clearing its cache in Android/iOS settings, and reinstalling it.