Reset of the robot vacuum cleaner Xiaomi Mi Robot Vacuum S50: nuances and methods

Xiaomi Mi Robot Vacuum Robot Cleaner S50 (Also known as Mi Robot Vacuum-Mop P or STYJ02YM) — It's a popular machine for automated cleaning, but even with this technique, sometimes there are problems: hangings, mapping errors, sensors malfunctioning or preparation for sale - all of these cases may require a complete reset to factory settings. However, an incorrectly executed procedure is fraught with loss of binding to the account, firmware failure or even the device failure.

In this article, we will discuss all official and alternative ways to reset for Xiaomi. S50, Including software methods through the Mi Home app, hardware reset buttons on the case, and recovery from failed attempts, we will pay special attention to typical user errors (for example, interrupting the process or ignoring card backup) and how to avoid them. If your vacuum cleaner has stopped responding to commands, it will issue error codes (E1, E2, E5) Or just acting inappropriately, you'll find a solution here.

We warn you right away: resetting is a last resort, and 80 percent of the time, it's rebooting, updating the firmware, or cleaning the cache in the app, but if you're determined to get the vacuum clean, follow the steps below.

1.When you need a Xiaomi reset S50: signs and alternatives

Resetting to factory settings is a radical solution that erases:

• 🔹 Linking to Mi Account Home/Xiaomi Home;
• 🗺️ Stored maps of premises and cleaning areas;
• ⚙️ Individual settings (suction power, schedule, voice alerts);
• 📱 Cleaning history and statistics.

Before you start, check if a more gentle method will help:

The critical case where a reset is mandatory is preparation for sale or transfer to another user. Without a factory reset, the new owner will not be able to link the vacuum cleaner to his account.

⚠️ Attention: If your Xiaomi S50 It was purchased in China (market version) CN), After the reset, it may require a link to a Chinese account, and for use in other regions, you will need a firmware with a change in region (modding), which deprives you of warranty.

2. Reset via Mi Home app: step-by-step instruction

The safest way is to use an official app, which is suitable if:

• 📱 Vacuum cleaner connected to Mi Home and responds to commands;
• 🔄 You do not plan to change your account or region;
• 🔒 You have access to the username/password from your Xiaomi account.

Instructions:

1. Open the Mi Home app and select your Xiaomi S50 device-list.
2. Go to the Device Settings → General settings → Reset to factory.
3. Confirm the action in the pop-up window, and the vacuum cleaner will sound and start the process.
4. Wait for the reset (about 2-3 minutes). The indicator on the body will flash orange.
5. After reset, re-attach to the account via Add Device → Robot vacuum cleaner.

An important nuance: if you have a firmware installed with a changed region (for example, EU on CN), After resetting through Mi Home, you may retrace to the original region, in which case you will need to remodding.

Make sure the vacuum cleaner is charged at least 30 times%|Connect your phone to a stable Wi-Fi|Close all background apps on your phone|Take screenshots of settings (scheduling, cleaning areas)|Turn it off. VPN (It can block Xiaomi servers)-->

⚠️ Note: If after resetting the vacuum cleaner does not appear in the list of devices for binding, check: 📶 Is it connected to the same Wi-Fi network as the phone; 🌍 Does the account region match the vacuum cleaner region (e.g. both Europes); 🔄 Is the Mi Home app updated to the latest version.

3. Hardware button reset: if the vacuum cleaner does not respond

If Xiaomi S50 It doesn't turn on, it hangs on the screensaver, or it doesn't connect to the app, and you can use physical buttons on the case, and it works even when the firmware fails, but it requires you to follow the timing exactly.

Instructions:

1. Make sure the vacuum cleaner is disconnected from the docking station and turned off.
2. Find two buttons on the case: Food (round) and Home (with the image of the house).
3. Hold both buttons at the same time and hold for 15-20 seconds until you hear a long beep.
4. Release the buttons. The indicator will flash red and blue, which is a sign of a successful reset.
5. Wait for the reboot (1-2 minutes) and the vacuum cleaner will return to factory settings.

Video instructions (if visualization is required):

Frequent errors in hardware reset:

• ⏱️ Too short a button retention (it takes 15).+ seconds);
• 🔋 Battery discharge (charge must be at least 20%);
• 🔊 Ignoring the sound signal (if it was not, the reset did not occur).

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If after the hardware discharge, the vacuum cleaner gives an error E1 (problem with the collision sensor, clean the infrared sensors in the front with a dry wipe. Often the error is due to dust, not a firmware failure.

4. Reset after firmware or brick errors

If Xiaomi S50 turned into a brick (not turning on, not responding to buttons, flashing red), the cause may be an interrupted firmware update or a failed modding. USB, But it requires additional equipment.

You'll need:

• 🖥️ Computer with Windows/macOS;
• 🔌 USB-Type-C Cable (Original from Xiaomi);
• 🛠️ MiHome Hacker Tool or Xiaomi Flash Tool;
• 📄 Stock firmware for STYJ02YM (You can download it on the forums 4PDA Xiaomi Community).

Step-by-step:

1. Connect the vacuum cleaner to the computer turned off (hold the power button 10 seconds for a complete shutdown).
2. Press the Home button and, without letting it go, plug it in. USB-The vacuum cleaner should be identified as Qualcomm 9008.
3. Start the Xiaomi Flash Tool, select the downloaded firmware (.tgz or.img format).
4. Press Flash and wait 10-15 minutes for the process to end. Don't turn off the cable!
5. After successful firmware, the vacuum cleaner will restart. Perform the initial setup via Mi Home.

⚠️ Note: Firmware via Fastboot or EDL voids the warranty and may cause the device to fail completely if the wrong version of the software is selected. Use this method only if other methods have not helped, and you understand the risks.

If after the firmware vacuum cleaner gives an error E5 (Laser sensor problem, which could indicate a hardware malfunction, which requires repairs at the service center.

5. Post-reset recovery: tethering and tuning

After a successful reset of Xiaomi S50 It's going to come back out of the box:

1. Re-link it to your Mi Home account;
2. Set up a Wi-Fi connection;
3. Create a new map of the premises;
4. Restore individual parameters (power, schedule, etc.).

Step-by-step recovery:

1. Turn on the vacuum cleaner with the power button, and it will make a welcome sound.
2. In the Mi Home app, click + → Add the device → Robot vacuum cleaner.
3. Choose your model (Mi Robot Vacuum) S50) And follow the instructions on the screen.
4. Connect the vacuum cleaner to the Wi-Fi network (2.4 GHz only!).
5. Once you've tied, start the first cleaning to create a map. Use the Mapping mode in the settings.

Tips for speeding up the settings:

• 📡 If the vacuum cleaner doesn’t connect to Wi-Fi, try changing the router’s channel to 1–11 (automatic selection may not work).
• 🗺️ For quick recovery of cleaning areas, take a screenshot of the old map before resetting and play the markup manually.
• ⚡ If the battery is discharged during reset, put the vacuum cleaner on the docking station for 1-2 hours before setting up.

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After reset, be sure to update the vacuum cleaner firmware to the latest version via Mi Home.This will fix known bugs and improve the stability of the work.

6.Frequent post-discharge problems and their solutions

Even after a successful reset, users face difficulties, and consider typical scenarios and ways to resolve them:

Special case: if after the discharge the vacuum cleaner requires a link to a Chinese account (+86), which means that the CN-rom was installed. For use in other regions, you will need firmware with a change in region (see instructions on the site). 4PDA).

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If after resetting the vacuum cleaner became worse to navigate in space, perform the calibration of the sensors: put it on a flat surface and in the application select Settings → Additionally. → Calibration of the gyroscope.

Alternative methods: discharge through ADB third-party

For advanced users, there are alternative resetting methods that can help in unusual situations, but they require technical knowledge and are used at your own risk.

Reset via ADB (Android Debug Bridge)

If you have root access to the vacuum cleaner (which is unlikely without modifications), you can perform a reset command:

adb shell


su




reset_factory

But for Xiaomi. S50 This method is not applicable due to manufacturer restrictions.

Third-party utilities:

• 🛠️ MiHome Hacker Tool – allows you to reset settings without linking to your account;
• 🔧 Valetudo RE — Open source alternative firmware (requires unlocking the bootloader).

⚠️ Note: The use of informal tools may lead to: 🚫 Loss of warranty; 🔴 Breakdown of the device; 🛡️ Blocking Xiaomi account for violating the rules of use.

FAQ: Answers to Frequent Questions