Xiaomi Watch 4 Connection to Android: Full Instruction with Problem Solutions

The Xiaomi Watch 4 is not just an accessory, but a full-fledged gadget for monitoring health, sports and everyday tasks. However, many users face difficulties when connecting to an Android smartphone for the first time. Unlike the iPhone, where the process is often limited to functionality, Android offers more flexibility - but also more nuances.

In this article, we will not only discuss basic synchronization through the official Mi Fitness app (formerly Zepp Life), but also alternative methods if the standard method does not work. You will learn how to avoid common errors (such as a permanent connection break or incorrect notification display), as well as how to optimize the operation of the watch for maximum autonomy. Particular attention will be paid to compatibility with non-standard Android firmware (for example, LineageOS or other devices). MIUI Global where connection may require additional steps.

1. Preparation of the phone and clock for synchronization

Before you start connecting, make sure both devices are ready to interact, which will save you most of the problems during the pairing phase.

On the phone:

• 📱 Update Android to the latest version (minimum Android 8.0 Oreo, but Android 10 is recommended)+ fully compatible).
• 🔄 Turn on Bluetooth and geolocation (necessary for accurate activity tracking).
• 🚫 Turn off the power saving modes for the Mi Fitness application (otherwise the connection will break).
• 📌 Make sure it's not there. VPN — Some Xiaomi servers block connections from virtual networks.

On the Xiaomi Watch 4:

• 🔋 Charge up to 50% or higher – with a low charge, the clock can shut down during synchronization.
• 🔄 Reset your settings (if the watch has already been used with another phone): go to Settings → System system → Reset.
• 📶 Activate Search Mode – Press and hold the Power button until it appears QR-code.

⚠️ Note: If your phone is running custom firmware (like Pixel Experience or HavocOS), check before connecting to it to check if it supports Google Play services.

2. Installation and configuration of the Mi Fitness application

The official management app for the Xiaomi Watch 4 is Mi Fitness (formerly known as Zepp Life or Mi Wear), which can be downloaded from Google Play or the official Xiaomi website.

Step-by-step installation instructions:

1. Download Mi Fitness at the link.
2. Launch the app and sign up via your Xiaomi, Google or Apple ID account (the latter option is less stable).
3. In the main menu, click Profile → Add Device → Watch → Xiaomi Watch 4.
4. Follow the on-screen instructions: Confirm permissions to access contacts, notifications, and geolocation.

After successful authorization, the application will offer scanning QR-code from the watch screen or search manually. QR-code is not readable:

• 🔦 Check the lighting – the phone’s camera should clearly see the code.
• 📱 Try an alternative method: in Mi Fitness, select Manual Connect → Xiaomi Watch 4.
• 🔄 Reset the clock if it doesn’t appear in the list of available devices.

Download Mi Fitness| Register your Xiaomi | Enable Bluetooth and geolocation | Charge your watch to 50%+

Scan. QR-code or select a model manually-->

3.Sync the clock with the phone: a step-by-step process

When the app and the watch are ready, we start pairing, which can take up to 5 minutes — don't interrupt the process, even if nothing seems to be happening.

Step 1: Activation of the pairing mode on the clock

On Xiaomi Watch 4, go to Settings → Bluetooth and select Add a new device. The watch will go to the waiting mode (the search animation will appear on the screen).

Step 2 Connect via Mi Fitness

In the appendix on the phone:

1. Click Add Device and select Xiaomi Watch 4 from the list.
2. Confirm pairing on both devices (the clock will be a request with a confirmation code).
3. Wait for the data synchronization to be completed (progress is displayed in the app).

Step 3: Set up notifications and permissions

After connecting, Mi Fitness will offer you to configure:

• 📩 Notifications – Select apps (such as WhatsApp, Telegram) whose alerts will be duplicated on the clock.
• 🏃 Activity tracking – enable automatic monitoring of steps, sleep, and heart rate.
• 🔒 Security – Set up a lock on the watch screen when away from the phone.

⚠️ Warning: If the clock is permanently off after you connect, check your Android power saving settings. add Mi Fitness to the battery optimization exceptions list (path: Settings: Settings) → Battery. → Optimizing the battery).

4. Solving common connection problems

Even with the right setup, users are likely to experience errors, and below is a list of the most common problems and solutions.

If none of these solutions worked, try an alternative method of connecting through the Amazfit app (formerly Huami), which supports many Xiaomi models, including the Watch 4, and sometimes runs more stable than the official software. Download it here.

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If the watch is plugged in but discharges quickly, turn off the Bluetooth background scan in the Android settings. This will reduce the battery consumption of the phone and watch.

5. Optimize the Xiaomi Watch 4 after connecting

After successful synchronization, adjust the clock for maximum convenience. Here are the key settings that should be changed:

1. Autonomy

• ⚡ Turn off the constant pulse (if not necessary): Settings hours → Heart monitoring → Measure by hand.
• 🌙 Set your sleep mode to automatically turn off the screen: Settings → Display. → Sleep regimen.
• 🔄 Reduce the data synchronization frequency to 1 time per hour (in Mi Fitness).

Notifications

• 📵 Turn off unnecessary alerts (such as from games or social networks) in Mi Fitness → Notifications → Application management.
• 🔕 Set up vibration for important notifications: Settings for the clock → Sound and vibration.

3. Sport and health

• 🏃 Add frequently used sports to Quick Access: Settings → Sport → My sports.
• 🩺 Turn on stress and blood oxygen monitoring (if you need these metrics).

⚠️ Note: If you are using Xiaomi Watch 4 with Google Fit or Apple Health, export data manually. Automatic synchronization between these services and Mi Fitness is unstable.

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For maximum autonomy, turn off background weather and exchange data updates in the clock settings. These features consume up to 20% of the charge per day.

6. Alternative ways of connecting (without Mi Fitness)

If the official app refuses to work, there are workarounds, which require more effort, but sometimes turn out to be the only solution.

Method 1: Notify & Fitness for Mi Band

This third-party software supports most Xiaomi devices, including the Watch 4.

• 🔓 It works without a Xiaomi account.
• 🛠 More notification settings (e.g., keyword filtering).
• 📊 Supports data export to Google Fit.

Disadvantages: Requires root rights on some Android firmware and may not work with the latest versions of the watch.

Method 2: Connecting through Amazfit

The Amazfit app (from the same manufacturer as Zepp Life) sometimes does better at syncing.

1. Install Amazfit from Google Play.
2. Register (you can use your Xiaomi account).
3. In the main menu, click Add Device → Watch → Xiaomi Watch 4.
4. Follow the instructions on the screen (similar to Mi Fitness).

Method 3: ADB-force-coupling

If the watch is determined by Android but not connected, you can try forced pairing via ADB.

1. Enable the developer mode on your phone (Settings → About Phone → Assembly Number – press 7 times).
2. Activate debugging over USB in the developer settings.
3. Connect your phone to your PC and execute the command: adb shell am start -a android.bluetooth.device.action.PAIRING_REQUEST -e android.bluetooth.device.extra.DEVICE"MAC-address" -e android.bluetooth.device.extra.PAIRING_VARIANT 0 (MAC-The address of the clock can be found in the Bluetooth phone settings).

7. Update the firmware of the watch through the phone

Regular firmware updates fix bugs and add new features, and you can check them through Mi Fitness:

1. Open the app and go to Profile → Xiaomi Watch 4 → Firmware Update.
2. If a new version is available, click Download and Install.
3. Wait until the process is complete (the clock will reset automatically).

Important nuances:

• 🔋 Make sure the charge of the clock is more than 50 hours%.
• 📶 Connect your phone to Wi-Fi – Update via mobile internet may be interrupted.
• ⏱ If the update is suspended, wait 20 minutes, then restart the clock.

If the update doesn’t come through the app, check it manually:

1. On the clock go to Settings → System → Software update.
2. Click Update Checker.

⚠️ Note: After updating the firmware, you may need to reconnect the watch to the phone. If errors occur (e.g., Error 1006), reset the watch to factory settings.

8. Frequently Asked Questions (FAQ)