Xiaomi Mi Scale smart scales (and their updated versions — Mi Body Composition Scale 2, Xiaomi Smart Scale 2) have long been the standard for health care professionals. They not only show weight, but also analyze body composition: fat percentage, muscle mass, water level and even bone density. However, many users face difficulties when first connecting — the device does not find the scales, the data is not synchronized, or the application gives an error. In this article, we will analyze the step-by-step instructions for all Xiaomi scale models, including solutions to typical problems.
The main advantage of smart scales is integration with the Mi Home ecosystem and Mi Fit/Zepp Life applications, which allows you to automatically save your measurement history, plot dynamics, and even sync data with Google Fit or Apple Health. But to work, you need to properly perform the initial setup, then details for beginners and those who are moving from other brands.
⚠️ Note: If you use Xiaomi scales with iPhone, make sure that Bluetooth settings enable access for the Zepp Life app (formerly Mi Fit). On Android, check for geolocation permissions - without them, synchronization may not work.
1.What Xiaomi scale models support smartphone connectivity
Xiaomi has released several generations of smart scales, all of which (except the very first versions) are compatible with smartphones.
- 📱 Mi Body Composition Scale (1st generation, 2016) - Basic model measuring 10 body parameters.
All of these devices connect via Bluetooth Low Energy (BLE), except for the Mi Scale 3, which additionally supports 2.4Hz Wi-Fi. If you have a model older than 2016 (e.g. Xiaomi Mi Scale V1), it may not have synchronization features – check the box or specs.
⚠️ Xiaomi Libra does not work with Android tablets without support BLE 4.0 If your gadget is released before 2015, you may need to update your firmware or use another smartphone.
2. Which application is needed to connect: Mi Fit or Zepp Life
Until 2021, all Xiaomi scales were customized through the Mi Fit app, but after the rebranding of the Mi Ecosystem ecosystem in Zepp Life, the situation changed:
- 📲 For 2021 and newer models (e.g. Smart Scale 2, Mi Scale 3) – use Zepp Life (download: App Store/Google Play).
- 🔄 For older models (until 2020) – Mi Fit will be suitable, but its support is gradually curtailed.
- 🌐 For Mi Home users, scales can be tied through this application, but the functionality will be limited (only weight, without analyzing body composition).
If you’re not sure which app to choose, install Zepp Life, which supports all current models, and when you first start up, the system will identify your device and prompt you to update your firmware (if required).
💡 Useful tip: If you already have Mi Fit installed but the scales aren't plugged in, try removing it and installing Zepp Life.App conflict is a common cause of synchronization errors.
| Model of weights | Suitable annex | Support for Wi-Fi | Max users |
|---|---|---|---|
| Mi Body Composition Scale | Mi Fit / Zepp Life | ❌ No. | 16 |
| Mi Body Composition Scale 2 | Zepp Life | ❌ No. | 16 |
| Xiaomi Smart Scale 2 | Zepp Life | ❌ No. | 10 |
| Xiaomi Mi Scale 3 | Zepp Life | ✅ Yes, 2.4 Hz) | 20 |
3. Step-by-step instructions: how to connect Xiaomi Scale to the phone
The synchronization process takes no more than 5 minutes if you follow the algorithm.
- 📱 Smartphone on Android 6.0+ or iOS 12+ Bluetooth-on.
- 🔋 Xiaomi scales with charged batteries (used 4) × AAA).
- 🌐 Sustainable Internet connection (for downloading firmware, if necessary).
Now let's get to the setup:
- Install the app (Zepp Life or Mi Fit) and register (you can use Google, Apple ID or phone number).
- Turn on Bluetooth on your smartphone and allow the app to access geolocation (required for Android!).
- Launch the application and press + → Add the device → Libra.
- Choose a model from the list (if yours is not, choose the one that is closest in characteristics).
- Stand on the scales, and you're going to see 0.0 or a flashing light on the display, and if the screen is empty, check the batteries.
- Wait for sync. The app will show a notification "Device connected."
🔹 If the scales are not:
- 🔄 Reboot Bluetooth on your phone (Settings) → Bluetooth → Off./On.).
- 📵 Make sure the scales are not connected to another device (e.g., a tablet).
- 🔋 Remove and re-insert batteries – sometimes this resets connection errors.
Download Zepp Life/Mi Fit|
Enable Bluetooth and geolocation |
Install batteries in scales |
Make sure the scales are not connected to another phone-->
4. User profile setting: why it matters
Once the scales are connected, the app will ask for data about the user: gender, age, height and activity level, which is critical for the accuracy of measurements, especially when analyzing body composition.
- 👫 Gender affects the calculation of the norm of fat mass (in women it is physiologically higher).
- 📏 Growth is needed to calculate BMI (body mass index).
- 🏃 Activity level corrects the indicators of muscle mass.
If you put the wrong data, the scales can show an overestimated percentage of fat in athletes or an underestimated percentage in the elderly. For example, with a height of 180 cm and a weight of 80 kg, but a specified height of 170 cm, the BMI will be calculated as 27.7 (overweight), instead of the real 24.7 (normal).
📌 How to edit a profile:
- Open Zepp Life → Profile → Settings → Personal Data.
- Update your exercise settings (especially if you have lost weight or changed your workout level).
- Save the changes and perform a test weigh.
What if the scales show unrealistic fat percentage?
5. Problem Solving: Scales do not connect or transmit data
Even with the right setup, there can be failures, and let's look at the typical errors and how to fix them:
| Problem. | Possible cause | Decision |
|---|---|---|
| Libras not included | Batteries discharged or contacts oxidized | Replace the batteries with new ones, like Duracell, and wipe the contacts with alcohol. |
| App doesn't find scales | Bluetooth conflict or outdated firmware | Reboot your phone and upgrade Zepp Life to the latest version. |
| Data not stored | No internet or synchronization failure | Check the network connection. Manually update the data in the application (Sync). |
| Libra shows E1 error | Overload (max. weight - 150 kg) | Remove the extra load from the platform. If the error persists, reset the balance settings (hold the 10 sec button). |
⚠️ Note: If after updating the firmware scales stopped working, reset:
- Remove the batteries for 30 seconds.
- Hold the power button (if any) for 15 seconds.
- Insert the batteries and reconnect.
🔹 For Wi-Fi models (Mi Scale 3):
💡
If the scales are connected but the data jumps (for example, the weight changes by ±2 kg when weighed again), place them on a solid flat surface (not on the carpet!).
6.How to use Xiaomi scales: tips for accurate measurements
To ensure that the indicators are as reliable as possible, follow these recommendations:
- ⏰ Weigh yourself at one time (better in the morning on an empty stomach after the toilet).
- 🚿 Without clothes and shoes – metal elements (lightning, buttons) distort the signal.
- 💧 Hydration level: Drink water 30 minutes before measurement (dehydration lowers % fat).
- 🏋️ After training, wait 2-3 hours – the muscles accumulate water, which distorts the results.
📊 How to read the results:
⚠️ Attention: Bioimpedance analysis (a method of measuring body composition) can give an error of up to 3-5% in people with a high risk of cervical cancer:
In such cases, focus only on weight and BMI.
💡
For maximum accuracy, take measurements on the same scale model. Different devices (even from Xiaomi) can give differences of 1-2 kg due to the calibration of the sensors.
7.Sync with other services: Google Fit, Apple Health, Strava
One of the advantages of Xiaomi’s weights is the ability to export data to third-party apps, which is convenient for those who keep a training journal or monitor health comprehensively.
🔄 How to connect synchronization:
📱 Features for iPhone:
- In Apple Health, body composition data is included in the Body Measurements section.
- A premium account will be required to export to Strava.
❌ Synchronization problems and solutions:
- Error 403 – Re-authorize in the service.
- The data is not updated – check the permissions in your phone settings (Settings → Privacy → Health for iOS).
- Duplicate records – clear Zepp Life cache.