How to set up Xiaomi scales correctly: from unpacking to accurate measurements

Xiaomi's smart scales are not just a weight measurement device, they're a full-fledged health assistant. They analyze body composition, sync with a mobile app, and integrate into the Mi Home ecosystem. But even such an advanced device requires the right setup to show accurate data. Many users face the problem of not turning on the scale, showing the wrong weight or not synchronizing with a smartphone. In this article, we will discuss all the steps from the first connection to fine calibration, and also explain how to avoid typical errors.

Xiaomi scales (Mi Body Composition Scale, Mi Smart Scale 2, Xiaomi Body Fat Scale) are unique in that they use bioimpedance analysis technology, which means that it is important to not only set them correctly, but also take into account the measurement conditions: skin moisture, time of day and even the phase of the menstrual cycle (for women). If you do not take into account these nuances, the readings can differ from the real ones by 2-5 kg.

1. Preparation of scales for the first use

Before setting up, make sure you unpack all the components of the kit.In the box with Xiaomi scales should be:

  • πŸ“¦ The scales themselves with a protective film on the touch panel
  • πŸ”‹ 4 type batteries AAA (Sometimes in a package, sometimes purchased separately)
  • πŸ“„ Short instructions in several languages (including Russian)
  • πŸ“± QR-Download code for Mi Fit or Zepp Life

First, remove the protective film from the touchpad, which can interfere with the proper operation of the sensors. Then set the batteries in a polarity manner (the diagram in the compartment shows how to insert them correctly), If the batteries are discharged or missing, the scales will not turn on, and the indicator will not light up even when pressed.

⚠️ Warning: Do not use rechargeable batteries (Ni-MH or Ni-Cd) - they have a lower voltage (1.2 V instead of 1.5 V), which can lead to unstable balances.

After the batteries are installed, the scales must automatically turn on (the display or indicator will light up). If this does not happen, press the touch panel with your foot - sometimes mechanical action is required to activate. If the scales are still unresponsive, check:

  • πŸ”„ Properly Installed Batteries (Flip them and try again)
  • πŸ”‹ The status of contacts in the battery compartment (clean from oxidation with a cotton swab)
  • πŸ“± Compatible with your smartphone (Xiaomi scales require Android 5.0)+ or iOS 10.0+)
πŸ“Š What Xiaomi Weight Model Are You Using?
Mi Smart Scale 2
Xiaomi Body Fat Scale
Mi Body Composition Scale
Another model
I haven't bought it yet.

2. Installation of the application and registration of the account

Xiaomi scales do not work independently - you need the Mi Fit app (for old models) or Zepp Life (for new ones) to be fully used.

  • πŸ“± Mi Fit for Android
  • 🍎 Mi Fit for iOS
  • 🌐 Zepp Life (official website)

After installation of the annex:

  1. Register a Xiaomi account (if not), enter a valid email or phone number, and it is important to link the account to the same region where you bought the scales (for example, if the scales are from the scales). EU, Choose Europe).
  2. Log in to your account and allow access to notifications, geolocation, and Bluetooth (this is necessary for synchronization).
  3. Go to Profile β†’ Devices β†’ Add the device.

⚠️ Note: If you use scales in Russia, but your Xiaomi account is registered in another region (e.g. China), there may be a problem with displaying units of measure (pounds instead of kilograms), this can only be corrected by changing the account region or creating a new one.

When you add the device, the app will suggest you select a scale model from the list. If your model is not, select the one that is closest in characteristics (for example, Mi Smart Scale 2 instead of Xiaomi Body Fat Scale).

β˜‘οΈ Preparation for interface

Done: 0 / 5

3. Matching the scales with a smartphone over Bluetooth

For successful connection:

  1. Place the scales on a flat, hard surface (tile, laminate, wood) and avoid carpets, soft coatings, or surfaces with vibrations (such as near the washing machine).
  2. Turn on Bluetooth on your smartphone and make sure the distance to the scale is less than 10 meters.
  3. Click on the touch panel of scales with your foot - the connection indicator should appear (blinking Bluetooth icon or inscription) CONN).
  4. In the application, click Connect and wait for the process to complete (usually takes 10–30 seconds).

If the scales are not connected:

  • πŸ”„ Reboot Bluetooth on your smartphone (turn off and turn on again).
  • πŸ“± Remove the scales from the list of conjugated devices in the phone settings and try again.
  • πŸ”‹ Replace batteries – discharged cells can cause Bluetooth module malfunctions.
  • πŸ“‘ Check if other devices interfere (such as wireless headphones or smartwatches).

Critical error: If the scales are permanently disabled after synchronization, check the firmware version in the application. For models 2020-2023, you need firmware at least 2.1.0. Update it through Device Settings β†’ Update of the PO.

Problem.Possible causeDecision
Libras not includedBatteries discharged.Replace with new alkaline batteries
Not connecting to the phone.Bluetooth is disabled or faultyReboot the Bluetooth module of the smartphone
Showing an Err errorUneven surface or overloadTransfer to a solid surface, reduce weight
Data is not synchronizedOutdated firmwareUpdate the software through the app

Calibration of weights for accurate measurements

Even after successful connection, the scales can show the wrong weight, and this is due to the need for calibration, which is the procedure for adjusting the sensors to your operating conditions.

  1. Put the scales on a flat surface and make sure that the legs do not stagger.
  2. Stand on the scales with bare feet (socks or slippers can distort readings).
  3. Wait 5-10 seconds until a stable value appears on the display.
  4. Compare the readings with mechanical scales (if any) if the difference is greater than Β±0.3 kg, manual calibration required.

For manual calibration:

  1. In the Mi Fit app, go to Profile β†’ Devices β†’ Your scales. β†’ Settings β†’ Sizing.
  2. Follow the instructions on the screen (usually you need to stand on a scale with a known load, for example, weights of 10 kg).
  3. Confirm the new settings and wait for the save.

⚠️ Note: If you use Xiaomi Mi Body Composition Scale 2 scales, the calibration may be lost when the temperature changes (for example, if you transfer the scales from a cold room to a warm one.

To improve the accuracy of measurements:

  • πŸ•’ Weigh yourself at the same time (optimally, on an empty stomach in the morning).
  • 🚿 Before measuring, wipe your feet dry (skin moisture affects bioimpedance analysis).
  • πŸ§˜β€β™‚οΈ Stand still, without leaning on other objects.
  • πŸ“… Women are advised to enter data on the menstrual cycle in the application - this will help to adjust the readings taking into account fluid retention.

πŸ’‘

If the scales show weight with an error of more than 1 kg, try resetting them to factory settings. To do this, hold the touchpad for 10 seconds until the inscription appears. RESET.

5. Adjustment of bioimpedance analysis (measurement of fat, muscle, water)

Xiaomi scales not only measure weight, but also analyze body composition using the method of bioimpedance analysis, to do this, a weak electric current (safe for health) is passed through the legs, which allows you to assess:

  • πŸ’ͺ Percentage of muscle mass
  • πŸ— Percentage of fat
  • πŸ’§ Body water level
  • 🦴 Bone density
  • πŸ”₯ The speed of the basic metabolism (BMR)

In order for this data to be accurate, the appendix must indicate:

  • πŸ‘€ Gender (male/female)
  • πŸ“ Growth (up to 1 cm)
  • πŸŽ‚ Age.
  • πŸƒβ€β™‚οΈ Activity level (sedentary, moderate, active)

If you don't specify these parameters, the margin of error for body composition analysis can be as high as 10-15%, for example, scales can show 25% fat instead of the real 20%, which significantly distorts the picture.

For maximum accuracy:

  • 🚫 Do not take measurements immediately after exercise (wait 2-3 hours).
  • 🍺 Avoid alcohol 12 hours before measurement.
  • β˜• Do not drink coffee or energy before the procedure.
  • πŸ›Œ Sleep at least 6 hours – lack of sleep affects water balance.
Why do scales show different percentages of fat at different times?
This is due to natural fluctuations in the body's water balance, such as when you drink a lot or eat salty foods, your water level increases, your fat percentage temporarily decreases, and for an objective assessment, watch your weekly dynamics, not your one-time measurements.

6. data synchronization with other services (Google Fit, Apple Health)

Xiaomi scales can automatically transfer data to third-party health apps such as Google Fit or Apple Health.

  1. In the Mi Fit or Zepp Life app, go to Profile β†’ Settings β†’ Synchronization of data.
  2. Select a sync service (e.g. Google Fit).
  3. Log in to your account. Google/Apple and allow access.
  4. Set up export parameters (e.g., weight only or all metrics).

If the data is not synchronized:

  • πŸ”„ Reconnect the account in the application settings.
  • πŸ“± Update the Mi Fit app to the latest version.
  • πŸ”’ Check if the antivirus is blocking or VPN Access to Xiaomi servers.

You can also export data manually:

  1. In the Mi Fit app, open the measurement history.
  2. Click on the desired entry and select Export.
  3. Save the data in format CSV or PDF.

πŸ’‘

To sync correctly with Apple Health, make sure your iPhone settings allow access to health data for the Mi Fit app (Settings) β†’ Confidentiality β†’ Health).

7. Removal of typical errors and failures

Even after you set up the scales correctly, Xiaomi can still make mistakes.

Mistake.Reason.How to fix it
Err or ----Overload (over 150 kg) or unstable surfaceMove the scales to a solid surface, reduce the weight
LoBatteries discharged.Replace the batteries with new ones.
Libras not includedFirmware getting stuckReset settings (hold the sensor for 10 seconds)
Data is not synchronizedBluetooth Failure or Outdated SoftwareUpdate the firmware of the scales and the app
Show weight in pounds (lb)The wrong region of the accountChange the region in the settings of the Xiaomi account

If the scale shows a clearly incorrect weight (for example, 120 kg with a real 70 kg), reset:

  1. Hold the touchpad for 10-15 seconds until the text appears. RESET.
  2. After restarting, repeat the calibration procedure.

If the problem persists, check:

  • πŸ“¦ Integrity of sensors (whether there are cracks or dents on the touch panel).
  • 🌑️ The temperature in the room (optimum 10-35)Β°C).
  • πŸ“Ά Interference from other wireless devices (Wi-Fi routers, microwaves).

8. Operational and life extension tips

To make Xiaomi scales last longer and show accurate data:

  • 🧼 Regularly wipe the touch panel with a wet wipe (without abrasives!).
  • πŸ”‹ Remove the batteries if you have not used the scales for more than a month.
  • 🌞 Avoid direct sunlight – it can damage the display.
  • 🚫 Do not put on the scales objects heavier than 150 kg (maximum load for most models).
  • πŸ“± Update the firmware of the scales and the Mi Fit app when new versions appear.

Xiaomi’s average scale life is 3-5 years when used correctly, and if the sensors start showing inaccurate data even after calibration, it may indicate wear and tear, in which case, contact Xiaomi’s service center (addresses can be found on the official website).

To check the accuracy of the scales without a mechanical analogue, you can use a control load. For example, take a bottle of water with a volume of 1 liter (its weight is one of the two). β‰ˆ 1 kg) and put it on the scale if the reading is more than different Β±50 g, calibration or repair required.

πŸ’‘

If you use a scale in the bathroom, place it away from the shower.High humidity can corrosion the contacts of the battery compartment.

FAQ: Frequently Asked Questions

Can I use Xiaomi scales without an app?
Yes, the scales will show weight on the display without a smartphone connection. However, body composition data (fat, muscle, water) is only available through the Mi Fit or Zepp Life app, and without synchronization, you will not be able to track the dynamics of changes.
Why do scales show different weights when measured again?
It's normal to fluctuate in Β±0.2-0.3 kg is associated with redistribution of fluid in the body, breathing or a slight shift in the center of gravity. For objectivity, weigh 2-3 times in a row and take the average value.
How to lose Xiaomi scales to factory settings?
Hold the touch panel of scales for 10-15 seconds until the display appears the inscription. RESET. After that, all the settings will be reset, and the scales will return to the factory parameters.
Can I weigh myself in clothes or shoes?
Technically, yes, but it will distort the results. To accurately measure weight and body composition, weigh without clothes or in a minimum set (cowards / T-shirt), shoes add 0.3-1 kg, and tight clothes (jeans, sweater) - up to 1.5-2 kg.
What if the phone is not connected to the new phone?
First, remove the scales from the device list in the old phone (via Mi Fit). Then on the new smartphone: Install the Mi Fit app and log in to the same Xiaomi account. Turn on Bluetooth and tap Add Device. Press the scale sensor with your foot to activate the pairing mode. If the scales are still not connected, reset them to factory settings (see instruction above).