How to sync Xiaomi Mi Band 4 with Samsung phone: the full guide 2026

Why Mi Band 4 is still relevant in 2026

The Xiaomi Mi Band 4, released in 2019, remains one of the most popular fitness bracelets among Samsung smartphone owners. Despite the release of new models (Mi Band 5/6/7/8), the fourth version continues to be in demand due to the optimal combination of price, functionality and reliability. The main advantage is full compatibility with Android devices, including flagship and budget models of Samsung Galaxy (from Galaxy S8 to Galaxy S23).

But many users have difficulty syncing for the first time, with Bluetooth Low Energy (BLE) protocols, conflicts with Samsung’s proprietary services (such as Samsung Health), or outdated applications, and in this article, we’ll look at three official ways to connect, as well as the fixing errors that are relevant for 2026.

Important: from January 1, 2026, Xiaomi has fully transferred all bracelets to the Zepp Life platform, but the Mi Band 4 supports both applications - Mi Fitness and Zepp. The functionality in them is identical, but the Zepp interface is more modern.

What Samsung phones are compatible with Mi Band 4?

Bracelet Xiaomi Mi Band 4 works with all Samsung smartphones based on Android 5.0 and higher, but for stable synchronization, a version at least Android 7.0 is recommended.

• 📱 Minimum version of Android: 5.0 (Lollipop), but optimally - 7.0 (Nougat) and newer.
• 🔄 Bluetooth: 4.2 or higher (all Galaxy models since 2016 support the new version) BLE).
• 📶 Internet access: mandatory for downloading the bracelet firmware and updating the application.
• 🔋 Bracelet charge: at least 20% (at a level below 15%, synchronization may be interrupted).

Below is the compatibility table of popular Samsung models:

⚠️ Note: On Samsung phones with a One shell UI (3.0 and higher) can block application background activity. Add Mi Fitness or Zepp Life to the list of "Unoptimized Applications" before synchronization. → Caring for the device → Battery → Background activity).

Method 1: Synchronize with the Mi Fitness application (official method)

Mi Fitness (formerly Mi Fit) is the standard tool for managing Xiaomi wristbands. Despite the transition to Zepp Life, Mi Fitness remains relevant for the Mi Band 4 and supports all basic features.

1. Download the app from Google Play (version no lower than 5.12.0).
2. Sign up or sign in to your Xiaomi account (via Google, Facebook or phone number).
3. Turn on Bluetooth on your phone and unlock the bracelet (click on the touch button to activate the screen).
4. In the application, click Profile → Add Device → Bracelet → Mi Smart Band 4.
5. Confirm pairing on your phone and bracelet (the code will appear on the Mi Band 4 screen – it must match the code in the application).

⚠️ Note: If the bracelet does not sync data (steps, pulse) after pairing, check the permissions of the Mi Fitness app. on Samsung with Android 13+ Manually allow access to the "Precise Location" (Settings) → Annexes → Mi Fitness → Permits → Location, even if GPS not used.

Install the latest version of Mi Fitness (5.12.0+)

Disable Samsung Health (if installed)

Turn on Bluetooth and GPS (yes, even for the bracelet!)

Charge the Mi Band 4 to 50%+

Add Mi Fitness to battery exclusion-->

Method 2: Connect via Zepp Life (alternative official method)

Zepp Life is Xiaomi’s new wearable management platform, which has replaced the Mi Fit, offering a more modern interface and additional sleep analysis features. The Mi Band 4 uses a similar connection procedure, but has some nuances:

1. Download Zepp Life from Google Play (version no lower than 6.10.0).

2. Register (you can use the same Xiaomi account as you do with Mi Fitness).

3.Tap Devices → Add Device → Mi Smart Band 4.

4. Follow the instructions on the screen. During the pairing stage, the bracelet should be located next to the phone (not further than 10 cm).

The advantages of Zepp Life over Mi Fitness:

• 📊 More detailed sleep statistics (phases of deep / light sleep, awakening).
• 🔄 Automatically detect 12 activities (vs. 6 in Mi Fitness).
• 🎨 More dial options (including animated ones).

⚠️ Note: If you have previously used Mi Fitness, the data will not be automatically transferred to Zepp Life. To save the history, export it manually through the Profile. → Settings → Exporting data to Mi Fitness before removing the application.

Method 3: Synchronize through third-party applications (for power users)

If official methods don't work (for example, due to regional restrictions or outdated firmware), you can use third-party tools.

• 🔧 Notify & Fitness for Mi Band – supports all features of Mi Band 4, including custom notifications and dials.
• 🔄 Mi Bandage is open source, allows you to adjust vibrations, alarms and even firmware. Requires Android 8.0+.
• 📱 Tools & Mi Band – a simplified alternative for basic synchronization (steps, pulse, sleep).

The following is a guide for Notify & Fitness:

1. Install the application and provide all the permissions requested (including “Overlapping Other Applications”).
2. Enable the developer mode on the bracelet: in Mi Fitness go to Profile → Mi Smart Band 4 → Lab → Developer Mode.
3. In Notify & Fitness, click Connect Device and select Mi Band 4 from the list.
4. Confirm the pairing on the phone and bracelet.

⚠️ Note: Third-party apps may conflict with Mi Fitness or Zepp Life. Uninstall official apps or disable auto-runs through Settings before using them → Annexes → [name] → Auto-start.

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If the bracelet doesn’t vibrate when notified, check the settings in the Zepp Life app: go to Profile → Mi Smart Band 4 → Notifications → Vibration and select Strong or Medium mode.

Solving common synchronization problems

Even with the right connection, Samsung users often encounter errors. TOP-5 problems and solutions:

Additional tips for Samsung:

• 🔋 If the bracelet is not charging, try another cable or adapter (Mi Band 4 requires a current of at least one). 0.5A).
• 📵 If the connection is unstable, turn off the Wi-Fi on your phone – sometimes it interferes with Bluetooth pairing.
• 🔄 If after updating the firmware bracelet "hangs", reset it to factory settings: in Zepp Life, select Profile → Mi Smart Band 4 → Untie the device, then reconnect.

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On Samsung phones with Android 12+, be sure to turn off the “Automatic Bluetooth Shutdown to Save Charge” feature (Settings → Connections → Bluetooth → Additional → Auto Shutdown).

How to Update Mi Band 4 Firmware with a Samsung Phone

Updating the bracelet firmware solves most synchronization problems, adds new features (such as support for additional dial languages), and improves stability.

• 🔋 Bracelet charge of at least 50%.
• 📶 A stable Internet connection (better via Wi-Fi).
• 📱 The latest version of Zepp Life or Mi Fitness.

Step-by-step:

1. Open Zepp Life and go to Profile → Mi Smart Band 4.
2. Click Firmware Update (if an update is available, an Update button will appear).
3. Confirm the update and wait until the process is complete. Don't turn off Bluetooth or shut down the app!
4. After the upgrade, the bracelet will reboot automatically.

⚠️ Warning: If you see an error during the update "Can't update", check: Free space on the phone (requires at least 100 MB). VPN Xiaomi account region (if it does not match your country, change it in your profile settings).

Critical information: After updating the firmware to version 1.0.9.54+, gesture support appears in the bracelet (for example, raising your hand to turn on the screen), but the possibility of installing third-party dials through the Mi Bandage disappears.

FAQ: Frequent questions about syncing Mi Band 4 with Samsung