How to reset Xiaomi toothbrush to factory settings: all ways

Xiaomi’s smart toothbrushes are not just a hygiene accessory, but a full-fledged device with firmware, sensors and sync with a smartphone. Like any electronics, they sometimes require a reboot or a full reset: after a malfunction, before selling, or if the brush has stopped displaying data correctly in the Mi Home app. But unlike smartphones, there is no obvious “Restore factory settings” button here, the process depends on the model and version of the firmware.

Many users face problems: the brush does not sync, shows the wrong cleaning time or does not turn on at all. 80% Resetting helps, but it's important to do it right so you don't damage the device. In this article, all the relevant ways for Mi Electric Toothbrush models are done. T100/T300/T500/T700, Oral-B by Xiaomi and others, including hidden features not mentioned in official instructions.

Why You Might Need to Reset Your Xiaomi Toothbrush

Factory resets are a last resort, but sometimes you can't do without them. Here are the typical situations where the procedure is justified:

• 🔄 The brush doesn’t sync with the Mi Home or Xiaomi Wear app despite multiple attempts to connect, often due to a data conflict in the device’s memory.
• ⚡ Misfunction of sensors: shows incorrect cleaning time, does not recognize the mouth area or suddenly turns off during use.
• 📱 Failure after firmware updates. Xiaomi regularly releases updates for its brushes, but sometimes they pass with errors.
• 💰 Preparing for sale or transfer, so that the new owner can tie the brush to his account, the old data must be deleted.
• 🔋 Battery discharge up to 0% and subsequent charging problems.In some cases, resetting helps to "wake up" the power controller.

Before you start resetting, however, check out simpler solutions:

1. Reboot the brush (turn off and turn on with a long press on the power button).
2. Update the Mi Home app to the latest version.
3. Remove the brush from the list of devices in the application and try to connect again.

If these measures do not work, start resetting, but remember that after the procedure, all personal settings (vibration intensity, cleaning modes, usage history) will be deleted.

Method 1: Reset via Mi Home (official method)

The safest and most recommended way is to use a proprietary app, which is suitable for most models except the earliest versions (e.g. Mi Electric Toothbrush 1).

Step-by-step:

1. Open the Mi Home app and go to the connected device section.
2. Choose your toothbrush from the list.
3. Tap it on three points (⋮) top-right corner of the device screen.
4. In the menu that opens, select Device Settings → Reset to factory settings.
5. Confirm the action. The brush will sound and reboot.

Once reset, the device will automatically disconnect from your account, and to use it again, you will have to pair again, as when you first connected.

Make sure the brush is at least 20 times charged%|

Close all background apps on your phone |

Connect your phone to a stable Wi-Fi network or mobile internet|

Check that you have the latest version of Mi Home (update to App) Store/Google Play)-->

What if the "Reset" item is not on the menu?

In some versions of the application or for individual models of brushes, the option may be called differently:

• Restore factory settings
• Remove the device (in this case, the brush will also reset)
• Untie your account (for models with Xiaomi Cloud support)

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If the brush does not appear in the list of available devices to connect after reset, try rebooting Bluetooth on your phone (turn it off/on in the settings).

Method 2: Hardware button reset (for models without Mi Home support)

Not all Xiaomi toothbrushes have full integration with the app, for example, budget models or devices branded Oral-B by Xiaomi may not support software reset, in which case the combination of buttons on the case will help.

Universal instructions for most models:

1. Turn off the brush (if it is on).
2. Press the power button for 10-15 seconds until you hear a double beep or see the indicator blink (color depends on the model).
3. Release the button. The brush will reset and reset.

For some models (e.g. Mi Electric Toothbrush T700), the procedure is different:

1. Turn on the brush.


2. Press the power button for 5 seconds until the vibration begins.




3. Without releasing the button, wait another 3 seconds - the vibration will become intermittent.




4. Release the button. Reset is complete.

Attention: If the brush does not respond to a long press, this may indicate a hardware malfunction of the controller, in which case resetting the buttons will not help - repair is required.

Method 3: Reset via the Engineering Menu (for advanced users)

Some Xiaomi toothbrushes (mostly premium ones like the T700 Pro) have hidden engineering menus to perform diagnostics and resets, a technique that requires precision because wrong actions can lead to breakdown.

How to enter the engineering menu:

1. Turn off the brush.
2. Press the power button and, without letting it go, connect the brush to the charging.
3. Wait until the indicator flashes red and green alternately (usually 5-7 seconds).
4. Release the button. The brush will go into diagnostic mode.

In this mode, the discharge can be performed:

• Press the power button 3 times in a row – the brush will emit a long signal confirming the reset.
• Wait 10 seconds until the device restarts.

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Warning: Do not interrupt the process while the indicator is actively blinking. This can damage the firmware. If the brush has been stuck in the engineering menu for longer than 1 minute, turn it off from charging and repeat the procedure.

What to do if the brush is not reset

If none of these methods worked, the problem could be bigger than it seems. Here are the possible causes and solutions:

• 🔋 Battery discharge. Connect the brush to charge for 1-2 hours, then try again. Some models block the reset at a charge level below 15%.
• 💻 If the brush is activated but not responding to commands, try updating it via Mi Home (if available). → Firmware update.
• 🔌 Charger problems. Use the original cable and power adapter. Some brushes don't recognize third-party charges.
• 🛠️ Hardware malfunction. If the brush doesn't turn on at all, maybe the controller or the battery has failed.

⚠️

Warning: Don't try to disassemble the brush yourself for manual reset. In most Xiaomi models, the body is sealed and an attempt to open it will lead to loss of water resistance, and the warranty on the device is canceled.

If the brush is under warranty, contact the official Xiaomi service center.

1. Find the nearest service on the site mi.com/ru/service.
2. Bring a check or proof of purchase (if any).
3. Describe the problem in as much detail as possible (what exactly does not work, what reset methods have been tried).

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If the brush does not respond to the reset, but it charges and turns on, try resetting your phone (network settings only) – sometimes the problem lies in the conflict of Bluetooth profiles.

How to connect the brush after reset: step-by-step instructions

After a successful reset, Xiaomi's toothbrush will return to its "out of the box" state, and to be able to reuse all the features, it must be tied to an account.

Step 1: Preparation

• Make sure your phone has Bluetooth and geolocation enabled (necessary for device search).
• Update the Mi Home app to the latest version.
• Charge the brush to at least 30% (the indicator should be green or blue).

Step 2: Adding the device:

1. Open Mi Home and press + → Add the device.
2. Choose the category Care for yourself → Toothbrush.
3. Turn on the brush (press the power button once) and wait until it blinks.
4. Follow the instructions on the screen. The app will find the brush and suggest that you plug it in.

Step 3: Setup:

After connection:

• Select the default brushing mode (such as Standard or Sensitive Teeth).
• Set up a clean-up reminder (in the device settings).
• Update the firmware if a new version is available.

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Note: If the brush does not display the cleaning history after you connect, check that the Mi Home app settings enable cloud-based data synchronization (Profile → Settings → Data Sync).

Frequent Resetting Mistakes and How to Avoid Them

Even a simple reset procedure can go wrong, if you don't take into account some nuances, and here are some of the most common user errors:

• ⏳ Not enough time to hold the button. Many people release the power button in 3-5 seconds, although it takes 10-15 seconds to reset. Count to yourself to 15 before you release.
• 🔌 Reset during charging. Some models (e.g, T300) They block the reset if the brush is connected to the network.
• 📱 Use the old version of Mi Home. Older versions of the app may not have a reset option. Always update the software before you start.
• 🔋 Reset at low charge: If the battery is discharged below 10%, the brush may not complete the procedure correctly.

Another common problem is that the brush is reset, but it reconnects to the old account right after it's turned on, because of the Bluetooth cache on the phone, to avoid this:

1. Before reset, remove the brush from the list of conjugated devices in the phone's Bluetooth settings.
2. After reset, restart the phone.

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If the brush is unstable after reset (it turns on / off on its own), calibrate the sensors. To do this, turn it on and place it on a flat surface for 1 minute, the system will automatically calibrate the gyroscope.

FAQ: Answers to Frequent Questions