The Xiaomi Mi Band 3 fitness bracelet remains one of the most popular wearables thanks to its combination of affordable price, compact design and wide functionality. However, even with such a simple gadget, the process of connecting to a smartphone can raise questions — especially for users who are first encountering the Xiaomi ecosystem. In this article, we will examine not only the standard synchronization procedure, but also the nuances that the manufacturer often does not say: from choosing the right version of the application to solving rare errors.
It’s important to understand that the Mi Band 3 runs through the official Mi Fit app (or its Zepp Life alternative for new firmware), and that 90% of the bracelet’s functionality depends on its settings. We’ll look at both the Android and iOS connectivity options, and give you tips on how to optimize power consumption and connectivity stability. If you’ve already tried to synchronize your device and encountered errors like “Unconnected” or “Undetected,” you’ll find a table at the end of the article.
Preparing for connection: what to do before synchronization
Before you start pairing the Mi Band 3 with your smartphone, make sure all the preconditions are met, and ignoring them is the main reason for the failures on the first connection.
- 📱 Smartphone compatibility: the bracelet works with Android 4.4+ or iOS 9.0+. On devices with outdated versions of the OS, the Mi Fit application may not install or work incorrectly.
- 🔋 Charging the bracelet: Even if the indicator on the Mi Band 3 screen shows a charge, connect it to the charger for 10-15 minutes before the first synchronization.
- 📲 Disabling other wearables: If the phone already pairs other fitness trackers (such as the Huawei Band or Amazfit), temporarily disable them in Bluetooth settings. Profile conflict can block Mi Band 3 detection.
- 🌐 Stable Internet connection: to download firmware and log in to Mi Fit, you will need access to the network. It is recommended to use Wi-Fi, as mobile Internet can interrupt the download of large files.
Pay special attention to the application permissions. On Android, after installing Mi Fit, you must manually allow access to:
- 📍 Geodane (to track activity);
- 📞 Contacts (to display incoming calls);
- 📩 Notifications (for synchronization of messages).
⚠️ Note: On smartphones Huawei and Honor additionally need to disable the function “Battery Optimization” for the Mi Fit application. Otherwise, the connection with the bracelet will break every 10-15 minutes.
Installation and configuration of the Mi Fit application
The official Mi Fit app is available on Google Play and the App Store, but there are nuances with the choice of version. Mi Band 3 is suitable for Mi Fit 4.6.0 and higher, however, some regional firmware (for example, for India) may require Mi Fit Global. Download the application only from official sources - third-party APK Often contain modified firmware that blocks access to Xiaomi servers.
Installation process:
- Download Mi Fit at the link: 🤖 Google Play (Android) 🍎 App Store (iOS)
Mi Band 3
English
Russian
Xiaomi
Important:
Mi Band
"Previous" → "Add Device" → "Mi Smart Band 3" → "Breasure"
If the app does not find the bracelet, check:
- 🔄 Bluetooth is on and the phone is within 1 meter radius of the Mi Band 3;
- 🔒 No active VPN Firewalls blocking the connection to Xiaomi servers;
- 📵 Flight mode is disabled (even if Bluetooth is working, some phones block device pairing in this mode).
Download Mi Fit from the official store | Charge the bracelet to 50% and higher | Turn on Bluetooth and geolocation | Disable other wearable devices | Allow all application requests-->
Step-by-step instructions for pairing with Android
Connecting Mi Band 3 to your Android phone consists of 5 key steps. Follow them strictly in order to avoid synchronization errors.
Step 1: Activate Bluetooth and search for the device
Turn on Bluetooth on your smartphone and start Mi Fit. From the device add menu, select "Mi Smart Band" 3». The bracelet should be displayed in the list of available devices as «MI Band 3_XXXX» (where XXXX — If the device does not appear, click the sync button (phone icon) on the bracelet screen and repeat the search.
Step 2 Confirmation of conjugation
The phone will have a 6-digit connection request on its screen, while the Mi Band 3 display displays similar code, compare them and click on "Confirm" in the app. If the codes don't match, reboot the bracelet (hold the touch button for 10 seconds) and try again.
Step 3: Update the firmware
Once paired successfully, Mi Fit will suggest updating the bracelet firmware. Don't miss this step - outdated software can cause sensor malfunctions. The process will take 3-5 minutes. Don't turn off Bluetooth or leave the application during the upgrade, otherwise the bracelet may stop turning on.
Step 4: Set up notifications
Go to “Device Profile” → “Notifications” and enable options:
- 📞 Incoming calls (with the name of the subscriber displayed);
- 💬 Communications (SMS, WhatsApp, Telegram and others.);
- 🔔 Other annexes (calendar, postal mail).
On Android 10+, you additionally need to allow Mi Fit to access notifications in your system settings: Settings → Apps → Mi Fit → Notifications → Allow.
Step 5: Personalize the screen
In the menu "Display" you can configure:
- ⏱️ Time format (12/24 hour);
- 🔄 Screen rotation (useful for left-handed people);
- 🎨 Colored dials (available after firmware update to version 1.5.0.44 and above).
⚠️ Note: On Samsung phones with a One shell UI You may need to manually disable Battery Optimization for Mi Fit. To do this, go to Settings» → «Maintenance of the device» → «Battery» → «Optimize App Performance and Add Mi Fit to Exceptions.
💡
If the bracelet is not visible in the list of devices, try rebooting the phone's Bluetooth module. To do this, turn off and turn on Bluetooth again, or use Flight mode for 30 seconds.
Interface with the iPhone: features and limitations
Connecting Mi Band 3 to the iPhone has a number of nuances due to the limitations of iOS. The main difference from Android is the lack of full synchronization of notifications from third-party messengers (for example, Viber or Facebook Messenger). SMS.
Step-by-step instructions for iOS:
- Install Mi Fit from the App Store and register a Xiaomi account.
- Enable Bluetooth and geolocation (in iPhone settings: “Privacy” → “Geolocation Services” → “Mi Fit” → “Always”).
- In the app, select "Add device" → "Mi Smart Band 3".
- When the bracelet appears in the list, confirm the pairing by pressing on its screen.
- Wait for the firmware update to complete (if available).
Limitations on iPhone:
| Function | Android | iOS |
|---|---|---|
| Notifications from messengers | ✅ Full support | ❌ Only SMS call |
| Displaying the contact name | ✅ Yes. | ✅ Yes. |
| Managing music | ✅ Pause/reproduction | ❌ No. |
| Automatic data synchronization | ✅ Every 30 minutes. | ✅ Only in an open application |
| Colored dials | ✅ Yes (with firmware 1.5.0.44)+) | ✅ Yes. |
Some users use the Notify for Mi Band app (available on the App Store) to bypass notification restrictions, but it requires constant running in the background and can quickly drain the iPhone battery.
How to reset Mi Band 3 to factory settings?
Solving common connection errors
Even with accurate follow-up, users often encounter synchronization errors, and here is a table of the most common problems and ways to fix them.
| Mistake. | Reason. | Decision |
|---|---|---|
| "Unable to connect." | Bluetooth profile conflict | Remove the bracelet from the list of conjugate devices in the phone settings and reconnect. |
| "Breathlet not found." | Weak Bluetooth signal or interference | Bring the bracelet closer to the phone (<30 cm) and turn off other Bluetooth devices. |
| "Firmware update error" | Unstable Internet connection | Connect to Wi-Fi and repeat the update. If the error repeats, reset the bracelet. |
| The device is already linked to another account. | The bracelet was previously used with another phone. | Reset the bracelet to factory settings (hold the 15-second button) and reconnect. |
| Mi Fit cannot access notifications | OS restrictions (especially on Android 12+) | In the phone settings, allow Mi Fit to access notifications and turn off battery optimization for the app. |
If none of these methods worked, try:
- Remove and reinstall Mi Fit.
- Connect the bracelet to another phone to check its performance.
- Contact Xiaomi through the official website (specify the bracelet model and the firmware version that is displayed in the About device in the application).
💡
If the bracelet stopped syncing after updating the phone’s firmware (for example, to Android 13), try rolling back the Mi Fit version to 4.6.0. Newer versions of the app may not be compatible with older Mi Band models.
Optimization of the bracelet after connection
Once paired successfully, it is recommended that you configure the Mi Band 3 for maximum autonomy and data accuracy.
- 🔋 Power saving: Turn off “Raise your hand to activate the screen” if you do not use this feature; Set the data sync interval to “1 hour” instead of “30 minutes”; Disable notifications from unnecessary applications (for example, games or social networks).
- 🏃 Sensor accuracy: Calibrate your bracelet for accurate steps: walk 20 steps with your phone in your hand, then compare the data in Mi Fit and Google Fit; wear a bracelet 2-3 cm above your wrist for the pulse sensor to work properly.
- 🛡️ Security: Enable “Screen Lock” in bracelet settings to protect against accidental taps; Set up “Search for Phone” – double tapping the bracelet will make the phone emit an audible signal.
To extend the battery life, avoid:
- 🔥 Overheating of the bracelet (do not leave it in direct sunlight or near heat sources);
- 💦 The stains of the water are in the stains of the stains. IP68, contact may oxidize);
- 📵 Long-term storage with a discharged battery (once every 2-3 months, charge the bracelet to 100%).