If you want to start using your XIAOMI Mi Body Composition Scale 2 with your phone, the best method is to pair it through the Mi Fit or Zepp Life app. This is the standard and most reliable way to connect the scale, save it to your account, and begin syncing weight and body composition measurements automatically.
A lot of users make the same mistake during setup: they try to connect the scale directly from the phone’s Bluetooth menu, just like they would with headphones or speakers. That often leads to failed pairing, incomplete setup, or a scale that appears connected but does not sync properly inside the app. For this model, the cleaner approach is usually to let Mi Fit / Zepp Life handle the connection process from inside the app itself.
This guide explains the full process in a clearer, more detailed way, including what to check before pairing, how to put the scale in the right state for discovery, what to expect when the connection succeeds, and what to do if the app refuses to find the scale.
Before You Start (Important Checks)
Before trying to pair the scale, it is worth taking a minute to prepare everything properly. Most pairing failures do not come from damaged hardware. They usually happen because one small setup step was skipped.
1) Install and update the correct app
The scale is commonly managed through:
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Mi Fit
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Zepp Life
Depending on your region and app version, you may see one name or the other. In many cases, Zepp Life is the newer name used in place of Mi Fit. The important part is to use the Xiaomi-compatible health app that supports the scale and keep it updated to the latest version available on your phone.
Using an outdated version can cause problems such as:
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missing device options
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failed discovery
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account sync issues
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settings screens that do not match current instructions
2) Turn on Bluetooth
Go to your phone settings and make sure Bluetooth is turned on before you begin. The scale needs Bluetooth communication so the app can find it and bind it to your account.
Even if the app asks for Bluetooth later, it is better to switch it on first so the scan can start immediately without interruption.
3) Allow required permissions
This part is especially important.
On Android, the app may require:
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Bluetooth permission
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Location permission
On iPhone, you will usually need to allow Bluetooth access when prompted. If these permissions are denied, the app may never detect the scale, even if Bluetooth is already on and the scale is working normally.
This is one of the most common reasons users think the scale is broken when the actual issue is simply app permissions.
4) Keep the scale close and place it correctly
Put the scale on a flat, hard surface, not on carpet. Also keep your phone within about 1 meter of the scale during pairing.
A hard surface matters because the scale needs to sit flat and stable to wake properly and behave normally. Carpet or soft mats can make the scale less responsive and may even create problems later during normal measurement.
5) Avoid double connections
If the scale was previously added in your phone’s system Bluetooth settings, remove or forget it there first. The recommended method is to pair it through Mi Fit / Zepp Life, not through the phone’s general Bluetooth device list.
This is important because system-level Bluetooth pairing can sometimes interfere with app-based setup, causing:
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failed detection
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connection conflicts
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incomplete binding
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measurements not syncing into the app
Step-by-Step: How to Pair XIAOMI Mi Body Composition Scale 2
Now that everything is prepared, you can go through the actual pairing process.
1) Open the Mi Fit / Zepp Life app
Launch the app on your phone and make sure you are logged in to the Xiaomi account you normally use. The scale will be linked to that account, so it is best to confirm you are signed into the correct one before starting.
This matters because if you later switch phones or reinstall the app, that account is usually where your saved device link and measurement history are managed.
2) Tap the Plus (+) icon
On the app’s main screen or home page, tap the “+” icon to add a new device. This is the normal entry point for pairing new Xiaomi health products.
If the interface looks slightly different on your version, look for labels such as:
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Add device
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Add
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Plus icon
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New device
3) Choose the device type: Scale
From the available device categories, select Scale. If the app shows more than one scale option, choose the one that best matches Body Composition Scale 2, or the closest available body composition scale entry.
Do not worry if the naming is not perfectly identical. App interfaces sometimes vary by language, version, or region. The key is to choose the Xiaomi body composition scale category rather than another product type.
4) Accept Terms and Conditions
If the app shows a Terms & Conditions prompt, tap Agree. This step is required before the app allows the scale connection to continue.
Users sometimes rush through setup and ignore this screen, then wonder why discovery never starts. If the app is waiting for agreement, the pairing flow may not proceed.
5) Activate the scale to start pairing
At this stage, the app begins searching for the scale. Now you need to wake the scale properly.
To activate it:
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place the scale flat on the floor
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apply constant pressure with your foot, or
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step on it briefly
The display should light up and show numbers or begin zeroing. That indicates the scale is awake and ready to be discovered.
If the scale does not wake up immediately, try:
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stepping on it once and stepping off again
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moving it slightly and placing it back flat
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checking whether the floor is hard and stable
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verifying that the batteries are working
This “wake-up” step is important. The scale generally needs to be active when the app is scanning, otherwise it may not appear.
6) Wait for the successful pairing message
After a few seconds, the app should detect the scale and complete the pairing process. When it works, you should see a confirmation message telling you the device has been paired successfully.
This means the connection has moved beyond basic detection and the scale is now saved to your account.
7) Confirm the scale settings screen opens
Once the setup is complete, the app should open the XIAOMI Mi Body Composition Scale 2 settings screen. This is a strong sign that the pairing has been saved correctly.
If you reach that screen, the scale is usually ready for normal use.
What Successful Pairing Means
When pairing works correctly, it usually means:
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the app recognizes the scale as one of your devices
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the connection is linked to your account
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future measurements can sync into the app
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device settings for the scale become available
This is different from a temporary Bluetooth detection. A successful app-based pairing is not just “phone sees device.” It means the device is added properly to the Xiaomi ecosystem and can participate in synced measurement tracking.
After Pairing: How to Use It Correctly
Once the scale is connected, you can begin using it for daily weigh-ins and, if supported, body composition measurements.
1) Weigh yourself the right way
If you want body composition metrics such as:
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body fat percentage
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muscle percentage
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and other composition-related values
you should stand on the scale barefoot. According to the draft, barefoot use is important for these advanced measurements. If you only want a basic weight reading, socks may still allow weight measurement, but body composition results may be inaccurate or unavailable.
2) Stand still for a few seconds
After stepping onto the scale, stay still and wait until the measurement process finishes. Sudden movement can interrupt the reading or reduce consistency.
3) Let the data sync to the app
Keep Bluetooth on and open the app if needed. In normal use, the measurement should upload automatically into Mi Fit or Zepp Life.
If a measurement appears on the scale but not in the app, that often points to a sync issue rather than a pairing issue.
Troubleshooting: If It Won’t Pair
Even when you follow the right steps, the scale may occasionally fail to connect. The draft includes several practical fixes that are worth trying in order.
Restart Bluetooth
Turn Bluetooth off, wait a moment, then turn it back on. This can refresh the phone’s Bluetooth state and help the app start a clean scan.
Close and reopen the app
Force close Mi Fit / Zepp Life, then open it again and retry the process. Sometimes the app’s scan session gets stuck and needs a fresh restart.
Restart your phone
A full phone restart can resolve temporary Bluetooth, permission, or app-state issues that simple toggles do not fix.
Move away from other Bluetooth devices
If you are trying to pair near smartwatches, earbuds, speakers, or many nearby devices, there can be interference or scanning confusion. Moving to a quieter environment sometimes helps the app find the scale more easily.
Replace the batteries
If the scale display looks dim, unstable, or inconsistent, weak batteries may be the problem. Low power can affect both scale behavior and pairing stability.
Remove old pairings
If the scale was already paired before, it may still exist in:
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the app device list
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the phone’s Bluetooth memory
The draft recommends:
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unbinding the scale in the app if it is already listed
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forgetting any scale entries from the phone’s Bluetooth settings
This is especially helpful if the app keeps failing because it thinks the scale is already associated with another connection state.
Common Pairing Mistakes to Avoid
A lot of frustration can be avoided by not making these common mistakes:
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trying to pair only through the phone’s Bluetooth menu
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skipping app permissions
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placing the scale on carpet
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keeping the phone too far away
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not waking the scale while the app is scanning
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using outdated app versions
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ignoring existing old pairings
None of these necessarily mean the scale is defective. They are usually setup issues that can be corrected in a few minutes.
Best-Practice Pairing Routine
If you want the cleanest, most reliable method, follow this order:
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install and update Mi Fit / Zepp Life
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enable Bluetooth
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allow all required app permissions
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place the scale on a hard, flat floor
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keep the phone within 1 meter
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remove any old Bluetooth entries if needed
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open the app and sign in
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tap +
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choose Scale
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agree to Terms & Conditions
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wake the scale by stepping on it briefly
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wait for the pairing confirmation
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confirm the settings screen opens
That routine follows the logic of your draft and reduces the chance of missing a key step.
Final Takeaway
To pair XIAOMI Mi Body Composition Scale 2, the recommended method is to use the Mi Fit / Zepp Life app, not the regular Bluetooth menu on your phone. Before pairing, make sure Bluetooth is on, permissions are allowed, the scale is on a hard flat surface, and your phone is close by. Then open the app, tap +, choose Scale, agree to the terms, wake the scale, and wait for the connection to complete. Once successful, the app should show the scale settings screen and your future measurements can sync automatically.
✅ Nice! Once paired properly, your XIAOMI Mi Body Composition Scale 2 is ready to work with your smartphone for weight and body composition tracking.