Xiaomiβs smart scales are not just a weight control accessory, but a full-fledged Mi Home ecosystem gadget that can analyze body composition, sync data with fitness apps, and even integrate with Google Fit or Apple Health. However, many users face a problem: purchased scales Mi Body Composition Scale 2, Xiaomi Smart Scale 2 or newer models refuse to connect to the official Mi Fitness app (formerly Mi Fit).
In this article, we will look at all the possible ways to add weights, from standard synchronization via Bluetooth to manual data entry when crashes. Particular attention will be paid to the hidden Mi Fitness settings that allow you to restore connection after a gadget is reset or a smartphone change. You will also find a table of compatibility of weight models with application versions and instructions for eliminating the 5 most common connection errors.
What scales does Xiaomi support the Mi Fitness app?
Before trying to plug in a gadget, make sure your scale model is officially compatible with Mi Fitness. Xiaomi regularly updates the list of supported devices, but some older models (like the 2016 Mi Scale 1) may require special firmware or alternative apps.
Below is the current compatibility table (data for July 2026):
| Model of weights | Support for Mi Fitness | Required version of the application | Features |
|---|---|---|---|
| Xiaomi Mi Body Composition Scale 2 | β Yes. | 5.6.0 and higher | Support for 13 body metrics, synchronization with Mi Band |
| Xiaomi Smart Scale 2 | β Yes. | 5.0.0+ | Without analysis of body composition, only weight |
| Xiaomi Mi Scale (1st generation) | β οΈ Partially. | 4.6.0 (obsolete) | Requires manual firmware updates through Mi Home |
| Xiaomi Mi Body Fat Scale | β Yes. | 5.2.0+ | Scale 2, but with improved sensors |
| Redmi Smart Band Pro + Libra (set) | β Yes. | 6.0.0+ | Automatic link to Xiaomi account |
If your model is not listed, check it out on the official Mi Home website, and it may require an alternative app (e.g. Zepp Life for some models).
Preparing for connection: what to do before synchronization
Before adding scales to Mi Fitness, follow the mandatory preparatory steps:
- π± Update the app to the latest version (at the time of writing 6.8.1).Older versions may not support new weight models.
- π Charge the scales (if the model has a battery) or install new batteries AAA (Discharged scales will not appear in the list of devices.
- πΆ Turn on Bluetooth on your smartphone and allow Mi Fitness to use geolocation (required to find devices).
- π Sign in to your Xiaomi account (or Zepp if you use a scale under this brand) without linking to your account, the data will not be saved.
Note that if you have previously used scales through Mi Home, you will have to unplug them from the old application, otherwise Mi Fitness will not be able to detect them.
- Open Mi Home β go to Profile β Devices.
- Find your scales in the list and click on them.
- Select Settings β Remove the device.
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If the scales are not turned on after replacing the batteries, try pressing and holding the reset button (usually located under the battery compartment cover) for 10 seconds.
Step-by-step: how to add Xiaomi scales to Mi Fitness
Now, let's get to the basic process. Follow the instructions in strict order to avoid errors.
- Open the Mi Fitness app and go to Profile β Add the device (the + icon in the upper right corner).
If everything goes well, the scales will appear in the Devices section, and the data will start synchronizing automatically with each weigh-in.
Libras displayed in Mi Fitness| First weighing saved in history | App requests Bluetooth | Xiaomi account tied to device-->
What to do if the scales are not connected: 5 ways to solve problems
If you have a mistake at one of the stages, use these methods (from simple to complex):
1. Reboot of the scales and smartphone
In 30% of cases, the problem is solved by a banal reboot:
- π Remove the batteries from the scales for 10 seconds, then set back.
- π± Reboot your smartphone (on Android: hold the power button) β Reboot).
- π Try to connect again.
2. Resetting the scales to factory settings
If the scales were previously linked to another account or smartphone, do a hard reset:
- Turn the scales over and find the reset button (usually next to the battery compartment).
- Press and hold it for 15-20 seconds until 0.0 appears on the display or the indicator flashes.
- Repeat the connection process from scratch.
Where is the reset button on different models?
3. Verification of annex authorizations
Mi Fitness requires access to:
- π Geolocation (to search for Bluetooth Low Energy devices).
- π΅ Bluetooth (required!).
- π Storage (to preserve data history).
How to check on Android:
Settings β Applications β Mi Fitness β PermissionsOn iOS:
Settings β Privacy β Geolocation Services β Mi Fitness4. Update of the firmware of the scales
Outdated firmware can cause conflicts with new versions of Mi Fitness.
- Connect the scales to Mi Home (if you canβt, use Zepp Life).
- Go to the device settings β Update the firmware.
- Wait until the process is completed (donβt interrupt!).
5. Alternative methods of connection
If nothing helps, try:
- π Connect via Mi Home and then sync data with Mi Fitness via shared Xiaomi account.
- π Use Zepp Life (for scales under the Amazfit brand or new Xiaomi models).
- π₯ Manual data entry: in Mi Fitness go to Weight β Add a record and enter the indicators manually.
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If the scales are connected but do not transmit data, check whether the power saving mode on the smartphone is turned on - it can block the background work of Mi Fitness.
Automatic synchronization with other services
One connection to Mi Fitness is not enough if you want to see data in Google Fit, Apple Health or S Health.
- Open Mi Fitness β Profile β Settings β Data Synchronization.
- Select the service you want (like Google Fit) and log in to your account.
- Allow access to data on weight, body composition and activity.
- Turn on the option Automatic synchronization (toumb at the top of the screen).
Please note:
- π Synchronization works only with an open application (on Android 10)+ due to background activity limitations).
- β³ Data is updated with a delay of 5-10 minutes.
- π« Some metrics (such as body water levels) may not be shared with Apple Health.
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To speed up synchronization, open Mi Fitness after weighing and manually update the data (pull the screen down).
How to transfer the data of the scales to a new smartphone
When you change your phone, many users lose their weighing history.
- Save backup to Mi Fitness: Profile β Settings β Backup β Create a backup
- Sign in to the new device in the same Xiaomi account.
- Restore data: Profile β Settings β Backup β Restore
- Reconnect the scales (they will automatically be attached to the account).
If the story hasn't recovered:
- π Check that the backup is created after the last weighing.
- π Make sure that both devices share the same account region (e.g., not China and Russia).
- π§ Write in support of Xiaomi with a request to restore data on the UID Account (you can find it in Profile) β Settings β About the programme).
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The linking of scales to an account rather than a smartphone is a major benefit of the Xiaomi ecosystem, which means that once you change your phone, you just need to log in and all devices will be automatically connected.
Frequent Mistakes and How to Avoid Them
Even after successful connectivity, users face typical problems, and we'll look at the most common ones.
| Mistake. | Reason. | Decision |
|---|---|---|
| I couldn't connect to the device. | Bluetooth is off or the scales are discharged | Turn on Bluetooth, replace batteries, reset the scales |
| No device found. | Libra tied to another account | Reset the scales to factory settings (see section above) |
| Data not stored | No access to storage or the internet | Check permissions and network connection |
| Synchronization error | An outdated version of the app | Update Mi Fitness to Google Play/App Store |
| Libra shows wrong weight | Incorrect calibration or uneven surface | Put the scales on a hard surface, perform calibration (stand up β come down β stand up again) |
If the error does not disappear, try to remove the scales from the application and connect them again:
Profile β Devices β Press on the scales β Remove the device