Mi Band 4 pairing with Xiaomi phone: full instruction from preparation to fine tuning

Xiaomi’s Mi Band 4 fitness bracelet remains one of the most popular gadgets for monitoring activity years after its release, and its main advantage is its unprecedented compatibility with the Xiaomi ecosystem, but many users face problems when connecting first. Unlike the newer models (Mi Band 6/7), the fourth version requires a special approach due to outdated firmware and specific Bluetooth settings.

In this article, we will analyze not only the basic pairing through the Mi Fitness application (formerly Mi Fit), but also reveal hidden settings for stable work with phones on the Internet. MIUI 12-14, This includes solutions for frequent errors like "device fails" or "persistent communication breaks." 4 NFC — A version with a contactless payment module that often conflicts with standard Bluetooth protocols.

Preparing Xiaomi phone for pairing

Before you start connecting, you need to make sure that your smartphone meets the minimum requirements. Mi Band 4 officially supports devices with Android 5.0+ and Bluetooth 4.2 LE, but for stable operation it is recommended:

• 📱 MIUI 11 or later (older versions may have synchronization failures)
• 🔄 Updated bracelet software (check through Mi Fitness) → Device profile → Firmware update)
• 🛡️ Power saving modes disabled for Mi Fitness app in battery settings
• 📶 Stable Internet connection (required to download activity data)

A critical mistake many users make is ignoring the geolocation permission for the Mi Fitness app, without which the bracelet won't be able to properly display the weather, steps and jogging routes.

1. Go to Settings → Applications → Application Management → Mi Fitness
2. Select Permissions → Geolocation and set the value “Always”
3. Activate the option "Accurate location" (in some firmware hidden in additional settings)

Step-by-step instruction for pairing

The process of connecting the Mi Band 4 to a Xiaomi phone consists of 5 key steps. Follow them strictly in order to avoid typical errors:

1. Installation of the application: Download Mi Fitness from Google Play or AppGallery (for devices without Google services).Do not use third-party APKs - they may contain outdated Bluetooth libraries.
2. Account registration: Sign in with Xiaomi Account (required! otherwise you won’t sync with Mi Home and Zepp Life).
3. Bluetooth Activation: Turn on Bluetooth on your phone and make sure that Visibility for All mode is turned off (it interferes with stable connection).
4. Adding device: In the app, click "Add device" → "Breasure" → "Mi Smart Band 4".
5. Code Confirmation: A 6-digit code will appear on the bracelet screen – enter it into the app.

Xiaomi |Bluetooth account is registered and in low power mode | Latest version of Mi Fitness |Geolocation for the application is allowed | Bracelet is charged at least 50%-->

If at the stage of code confirmation there is an error "Can not connect", try:

• 🔄 Reset the bracelet (press the touch button for 10 seconds until vibrations appear)
• 📱 Turn it off. VPN Proxies on your phone (they block Xiaomi’s authorization servers)
• 🔌 Connect the bracelet to charging for 5 minutes (sometimes a discharged battery interferes with pairing)

Setup of notifications and data synchronization

Once you have successfully connected, you need to configure notifications and data synchronization, otherwise the bracelet will work like a normal watch. In Mi Fitness, go to the Device Profile → Notifications section and:

For proper synchronization of steps, sleep and pulse data:

1. Turn on "Autosync" in the bracelet settings.
2. Allow Mi Fitness to access the “Physical Activity” in the Android settings.
3. Turn off battery optimization for Mi Fitness (Settings → Battery → Battery Optimization → All apps → Mi Fitness → No restrictions).

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If notifications are late, add Mi Fitness to the list of “Secure Applications” in the MIUI security settings. This will prevent the application from being forced to close by the system.

Solving common problems

Even after successful pairing, Mi Band 4 users experience typical failures, and here are the most common ones and ways to fix them:

⚠️ Note: If the bracelet has stopped synchronizing data after the update MIUI, Reset it to factory settings (bracelet settings) → Additionally. → This is due to changes in the data exchange protocols in new firmware versions.

For Mi Band 4 NFC owners, it is critical to upgrade the bracelet firmware to 1.0.9.54 or later. In older versions, there is a bug with contactless payments via Mi Pay, which causes transactions to fail for more than 1,000 rubles.

Mi Fitness → Device Profile → Update of firmware → Download and install

Hidden functions and fine-tuning

Mi Band 4 hides a number of useful features that aren't enabled by default.

• 🔍 Phone search: Twice tap the touch button of the bracelet - the phone will emit a loud signal (even if it is in silent mode).
• 🌙 Do Not Disturb Mode: Enables through Bracelet Settings → Regimes → You can set a schedule (for example, from 23:00 to 7:00).
• 🏃 Activity Auto Definition: Include in Settings → Monitoring of activity → Auto-identification: The bracelet will automatically recognize walking, running and cycling.
• 🔋 Saving Charge: Turn off "Raising Your Hand to Activate the Screen" - This increases the time to 20 days.

For advanced users, you can set up through Notify & Fitness for Mi Band (third-party app).

• Set the vibrations for each contact separately.
• Change the order of the screens on the bracelet.
• Activate gestures (for example, shake to turn on the backlight).

⚠️ Note: Using third-party applications to manage Mi Band 4 may cause the original firmware to fail. Before installing them, back up your bracelet data via Mi Fitness → Profile → Backup.

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For maximum stability, avoid using Mi Fitness and Zepp Life at the same time. These applications conflict when data is synchronized, which leads to duplication of notifications and errors in the display of statistics.

Multiple telephone pairing

The Mi Band 4 officially supports only one device at a time, but there is a workaround for users who want to sync data with two smartphones (e.g., work and personal):

1. Connect the bracelet to the first phone via Mi Fitness.
2. Turn on the "Visibility for All" mode in the Bluetooth settings.
3. On the second phone, install Notify & Fitness for Mi Band and connect to the bracelet through it (without detachment from the first device).

It is important to understand the limitations of this method:

• 📵 Notifications will be duplicated on both phones.
• 🔄 Step and sleep data will only be synchronized with the main device (the one to which the bracelet is connected via Mi Fitness).
• 🔋 Fast battery discharge due to constant Bluetooth scanning.

For owners of Xiaomi with two phones on one account (Xiaomi Account), there is a more elegant solution: use the Shared Device feature in the Mi Home, which allows you to view the bracelet data on both phones, but you can only control it from the main device.

Update firmware and reset settings

Regular firmware updates to the Mi Band 4 are critical to fixing sync errors and adding new features.

1. Open Mi Fitness and go to "Device Profile".
2. Slip on the bracelet icon → “Firmware Update”.
3. If a new version is available, click "Download and Install".

The update process takes 5-10 minutes. Do not turn off Bluetooth or leave the application during installation.

• 🔄 Reset the bracelet (hold the button for 10 seconds).
• 📱 Restart the Mi Fitness app and try again.
• 🔌 Connect the bracelet to charge – sometimes an upgrade requires more power than the battery has.

If the bracelet began to glitches (does not respond to touch, does not synchronize data), reset to the factory settings:

Bracelet settings → Additional → Reset → Confirm

⚠️ Warning: Reset will delete all data from the bracelet, including activity history and alarm settings.Before reset, back up via Mi Fitness → Profile → Backup.

FAQ: Frequent questions about Mi Band 4