Connecting Xiaomi scales to a smartphone: from pairing to accurate measurements

Xiaomi's smart scales have long since ceased to be just a weight control accessory, becoming a full-fledged health monitoring tool that tracks not only body weight, but also body fat, muscle mass, water levels and even bone density. But all of these features are only available after the device is properly connected to a smartphone. And here many users have difficulties: the app does not see the scales, the data is synchronized with errors, or even resets after updating.

In this article, we will discuss all the current ways to connect Xiaomi scales (including the Mi Body Composition Scale 2, Smart Scale 2, Xiaomi Scale 3 and others) to Android and iOS phones. We will focus on solving typical problems - from the lack of reaction to weighing to the error "Device not found", you will also learn how to calibrate the scales for maximum accuracy and what settings in the Mi Fit or Zepp Life application affect the measurement results.

What Xiaomi scales support phone connection

Not all Xiaomi smart scales are equipped with a Bluetooth module for syncing with a smartphone. Here is the current list of models that can be connected to the phone:

• 📱 Xiaomi Mi Body Composition Scale 2 – flagship model with analysis of 13 body parameters, support for Mi Band and Bluetooth 5.0.
• 📱 Xiaomi Smart Scale 2 - budget version with basic metrics (weight, BMI, fat / muscle mass).
• 📱 Xiaomi Scale 3 (or Mi Scale 3) – updated version with improved sensors and support for Zepp Life.
• 📱 Xiaomi Mi Smart Scale (first generation) – outdated model, but still compatible with Mi Fit.
• 📱 Xiaomi Mi Body Fat Scale – a specialized model for analyzing fat deposits.

Important: models without the prefix Smart or Body Composition (for example, regular mechanical scales Xiaomi) do not have synchronization and work independently. Also note the regional binding – some scales purchased in China may not support Russian firmware or have restrictions in applications.

To determine the model accurately, look at the sticker under the scales or in the documentation: XMSH08HM (This is Mi Body Composition Scale 2).

What applications are needed to connect

To synchronize the scales Xiaomi phone requires an official application, currently there are two:

1. Mi Fit is a classic application for all Xiaomi devices, including scales, bracelets and watches. Supports Russian, but has an outdated interface.
2. Zepp Life (formerly Mi Health) – Updated version with advanced analytics and integration with other gadgets Xiaomi/Amazfit. Recommended for new weight models.

An important nuance: some scale models only work with one of the applications, for example, Xiaomi Scale 3 is officially supported only in Zepp Life, and Mi Body Composition Scale 2 is supported in both.

Download the applications can be officially:

• 📲 Mi Fit for Android
• 📲 Mi Fit for iOS
• 📲 Zepp Life for Android
• 📲 Zepp Life for iOS

⚠️ Note: If you used Mi Fit before and now you are switching to Zepp Life, the data will not be automatically transferred. → Settings → Export data to Mi Fit and then import it to Zepp Life.

Step-by-step: how to connect Xiaomi scales to the phone

The process of pairing the scales with the phone takes no more than 5 minutes, if you follow a clear algorithm, and below is a universal instruction that is suitable for most models.

Install the Mi Fit or Zepp Life app

Turn on Bluetooth on your phone

Place the scales on a flat, solid surface

Make sure the scales are not completely discharged (charge indicator flashes when pressed)

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Step 1: Registration in the annex

If you haven’t used Xiaomi apps yet, you’ll need to create an account:

1. Open Mi Fit or Zepp Life.
2. Click Register and select the method: by phone number, email or via Google/Apple ID.
3. Confirm registration by SMS or letter.
4. Fill in the main profile: gender, age, height, weight (this is critical for accurate measurements!).

Step 2: Adding a device

Now, put the scales in:

1. In the application go to the section Profile → Add a device (to Zepp Life) or Devices → Add (in Mi Fit).
2. Choose the Libra category or Smart Scale category.
3. Click on your scale model (if it is not in the list, select Another).
4. Follow the instructions on the screen: the application will ask you to stand on the scale to activate the Bluetooth module.

The critical detail is that the scales should flash white or give an audible signal when pairing successfully, and if this does not happen, repeat step 4, holding the leg on the scales for 5-7 seconds.

Step 3: Calibration and first weighing

After connecting, the application will offer to calibrate:

• 📏 Stand on the scales with bare feet (socks distort sensor readings).
• 📏 Spread the weight evenly without leaning on one leg.
• 📏 Wait for the numbers to stabilize on the scale screen (usually 3-5 seconds).
• 📏 Data is automatically synchronized with the application.

If the scale shows an Err or Lo error, it means:

• Err - overload (maximum weight for most models - 150 kg).
• Lo - discharged battery (need to replace 4 batteries) AAA).
• --- — No phone connection (check Bluetooth and restart the app).

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If the scales do not respond to the weighing, try resetting them to the factory settings. To do this, press and hold the on button (if any) or put the scales on your side and press the sensor with your foot 3 times in a row. After reset, reconnect.

Solving Connection Problems

Even if the instructions are followed correctly, Xiaomi scales may not connect to the phone, and let’s look at the most common errors and how to fix them.

1.The phone doesn't find the scales

If your model is not displayed in the app when you try to add:

• 🔄 Reboot Bluetooth: Turn it off and turn it on in your phone settings.
• 🔄 Make sure the scales are on (click on them with your foot - the display should light up).

2. Data is not synchronized

If the scales show weight, but the data is not stored in the appendix:

• 📱 Check permissions for the app: Phone settings → Annexes → Mi Fit/Zepp Life → Permits. Must be enabled: Bluetooth, Warehouse, Notifications.

3. Libra shows incorrect data

If the results of the weighing seem to be overestimated or underestimated:

• ⚖️ Place the scales on a flat, hard surface (not on a carpet or a tile with irregularities).
• ⚖️ Recalibrate: Stand on the scale and hold the position for 10 seconds.
• ⚖️ Check if the scales are near the vibration sources (washing machine, refrigerator).
• ⚖️ If the error is repeated, reset the scales to the factory settings (instruction above).

⚠️ Attention: Xiaomi scales use bioimpedance analysis to measure body composition. Its accuracy depends on the level of hydration! If you have recently drunk a lot of water or exercised, the fat / muscles can be distorted. For objective data, weigh yourself on an empty stomach in the morning, after going to the toilet.

How to transfer the data of the scale to a new phone

When changing your smartphone, many users face the problem of losing their weighing history. To avoid this, follow the algorithm:

1. Export data from your old phone: In Mi Fit: Profile → Settings → Export data (file will be.zip format). Zepp Life: Profile → Settings → Data management → Exports.

Install the app on a new phone

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Zepp

Import the data:

• In Mi Fit: Profile → Settings → Data import.
• In Zepp Life: Profile → Settings → Data management → Imports.
• Reconnect the scales: Stand on them to initialize a Bluetooth connection to the new device.

If the story doesn’t go through, check out:

• 🔹 Does the account on both phones match (sometimes users create a new one, forgetting the login from the old one).
• 🔹 Has the region changed in the application settings (for example, from Russia to China).
• 🔹 Have you reset your weights (if yes, reconnect from scratch).

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The most reliable way to keep your weigh-in history is to link your account to your email, not your phone number, and that will protect your data when you change your phone. SIM-card-carrier.

Compatibility of Xiaomi weights with other applications

The official Mi Fit and Zepp Life apps aren’t the only ones that support Xiaomi scales, but can be integrated with popular fitness trackers:

To connect to Google Fit or Apple Health:

1. Open Mi Fit/Zepp Life.
2. Go to Profile. → Settings → Integration with other services.
3. Select the right service and log in.
4. Allow access to data on weight and activity.

Important: Not all metrics are passed to third-party apps, such as Apple Health accepts only weight and BMI, ignoring muscle mass or water level data. For full analytics, use the official Xiaomi apps.

How to extend the life of the battery in Xiaomi scales

Xiaomi scales work from 4 batteries AAA, They're 6 to 12 months long when they're used, and they're very long:

• 🔋 Remove the batteries if you do not use the scales for more than a month.
• 🔋 Use alkaline batteries (such as Duracell or Energizer) – they last longer.
• 🔋 Avoid extreme temperatures (do not store scales in a high-humidity bath or on a balcony in winter).
• 🔋 Turn off Bluetooth on scales if you don’t plan to sync (some models have an on/off button).

Signs of discharged batteries:

• 🚨 The display displays the indicator Lo.
• 🚨 Libras spontaneously turn off during weighing.
• 🚨 Data is not synced to the phone despite stable connection.
• 🚨 Indications are jumped or dropped.

For battery replacement:

1. Turn the scales over and find a battery compartment (usually it is closed with a lid on the latches).
2. Carefully tuck the lid with a flat screwdriver or coin.
3. Remove old batteries and install new ones while observing the polarity (+ and −).
4. Close the lid before you click.

⚠️ Warning: If the scales don't turn on after replacing the batteries, check the contacts in the compartment - they may have oxidized.

FAQ: Frequent questions about Xiaomi weights