How to connect your phone to the smart watch Xiaomi Watch 4 Pro: full instructions with pictures and tips

Why it’s important to connect the Xiaomi Watch 4 Pro to your phone

The Xiaomi Watch 4 Pro is not just an accessory, but a full-fledged gadget for health, sports and everyday tasks. But without proper synchronization with a smartphone, they lose 80% of the functionality: no notifications come, no work. GPS-Tracking, no firmware updates. Many users experience problems as early as the first connection stage — the watch does not find the phone, the Mi Fitness app gives out errors, or the connection is constantly broken.

In this article, we will discuss all possible ways of connecting (Bluetooth, Wi-Fi, via the Internet). QR-We will tell you how to avoid typical errors, and give tips on how to optimize the work of the pair “phone-watches”. The instructions are relevant for Android and iOS, taking into account the latest firmware updates Xiaomi Watch 4 Pro (2026). If you’ve just unpacked your watch or want to reconfigure your connection, this article is for you.

Important: Xiaomi Watch 4 Pro require binding to the account Mi Account – without it, the watch will not be able to synchronize data with the cloud and update the software. If you do not already have an account, register it in advance on the official Xiaomi website.

Which phones are compatible with Xiaomi Watch 4 Pro?

Before connecting, check if your smartphone supports the clock. Official requirements from Xiaomi:

• 📱 Android: version 6.0 and higher, with Bluetooth 5.0 support (recommended 5.2 for stable connection).
• 🍎 iPhone: iOS 12.0 and newer (but with limitations - see the table below).
• 🔄 RAM: at least 2 GB (with a smaller volume, lags are possible in the Mi Fitness application).
• 📶 Network: Updates and cloud synchronization require Internet access (Wi-Fi or mobile data).

In practice, the watch works with older phones, but there may be problems with:

• 🔋 Fast battery drain due to unoptimized Bluetooth.
• ⚠️ Loss of connection when actively using other Bluetooth devices (headphones, fitness bracelets).
• 📵 Lack of notifications from some messengers (especially on iOS).

⚠️ If your phone is released before 2017, check Bluetooth Low Energy support (BLE) in the specifications. BLE The clock will quickly discharge and lose connection.

Preparing for the connection: what to do on the phone and watch

Before synchronization, follow the necessary steps to avoid errors:

1. Charging devices: Make sure that the Xiaomi Watch 4 Pro has a battery charge of at least 50%, and the phone has at least 30%.
2. Download the latest version of Mi Fitness (formerly Mi Fit) from the official store: 🤖 Google Play for Android) 🍎 App Store (for iOS)

Firmware update

Settings → About the clock → Updating the system

Permits for annex

Mi Fitness

• 📍 Geodan (for jogging tracks)
• 📱 Notifications (to display messages)
• 📁 Storage (for backup copies)
• 🔋 Auto-start (so that the connection is not reset)

On the Xiaomi Watch 4 Pro:

• 🔄 Reboot them (press the button for 10 seconds until the Xiaomi logo appears).
• 📱 Make sure the watch is not connected to another phone (if you have previously connected, reset your settings via Settings). → System system → Reset).
• 🔍 Turn on Search Mode: Swipe down the screen and activate Bluetooth.

Charge your watch and phone|Install Mi Fitness|Update the watch firmware|Permit the appendix|Reset the clock-->

⚠️ Note: If you have previously used a Xiaomi watch of another model (for example, the Watch) S1 Mi Band, remove them from the list of devices in Mi Fitness.

Step-by-step: how to connect Xiaomi Watch 4 Pro to your phone via Bluetooth

This is the basic and most reliable way to synchronize.

1. Open Mi Fitness on your phone and log in to your Mi Account (or create a new one).

Confirm the connection.

Wait for synchronization.

Set up notifications

Mi Fitness

If you have a “failed to connect” error at the connection stage, try:

• 🔄 Reboot both devices.
• 📱 In the phone settings, “forget” the clock in the Bluetooth list and try again.
• 🔍 Make sure that the watch is on Visibility Mode (in swipe down).

Wi-Fi Connection: Why You Need and How to Set Up

Bluetooth isn’t the only way to communicate. Xiaomi Watch 4 Pro supports Wi-Fi connectivity, which has several advantages:

• 📶 More stable synchronization (especially useful for sleep tracking and long-term exercise).
• ⚡ Fast firmware updates (download faster via Wi-Fi than via Bluetooth).
• ☁️ Cloud Backup: Health Data is Automatically Uploaded to Mi Cloud.

How to connect your watch to Wi-Fi:

1. On the clock, go to Settings. → Wi-Fi.
2. Choose your network from the list (the watch only supports 2.4GHz networks!).
3. Enter the password using the on-screen keyboard (for convenience, you can generate it). QR-Password code in Mi Fitness).
4. Wait for the connection (the Wi-Fi icon in the status bar should become active).

After connecting to Wi-Fi:

• 🔄 The watch will automatically sync with the phone, even if it is in another room (the main thing is that both devices are on the same network).
• 📥 Firmware updates will be loaded in the background.
• ⚠️ Call and message notifications still only come via Bluetooth.

💡

If your router supports 5 GHz and 2.4 GHz with one name (SSID), temporarily disable 5 GHz in router settings – the watch does not know how to choose the frequency automatically.

Set up notifications and calls on Xiaomi Watch 4 Pro

Once connected, it's time to set up what notifications will arrive on the watch. By default, Mi Fitness only duplicates the clock. SMS and calls, but you can add messengers, mail and other applications.

How to set up notifications:

1. Open Mi Fitness on your phone and select your watch.
2. Go to Notifications. → Management of notifications.
3. Turn on the Switch to Show notifications on the device.
4. Select apps from the list (such as WhatsApp, Telegram, Gmail).
5. Set up the Notification Style: 📱 Full text – shows the entire message. 🔍 Title only saves space on the screen. 🔕 Vibration – turns on/off alerts.

Features of working with challenges:

• 📞 Android can answer calls right from the clock (if they have a speaker and microphone, like in the Watch 4 Pro).
• 🍎 On the iPhone, the watch only notifies about the call – you can only answer on the phone.
• 🔇 To disable call notifications, go to the Settings of the clock → Notifications → Calls.

⚠️ Warning: If notifications don't come, check: Is Bluetooth on your phone and watch? How long have you been syncing data (sometimes manual sync helps in Mi Fitness) Is the app you're waiting for notifications on the phone's power-saving blacklist.

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For stable notifications, add Mi Fitness to the list of “Secure Apps” in the phone battery settings, which will prevent the application background from automatically turning off.

Problem Solving: The watch doesn't connect or loses connection

Even with the right setup, there can be failures, and let's look at the typical errors and how to fix them:

If nothing helps:

1. Reset the clock settings to factory (Settings → System → Reset).
2. Reinstall Mi Fitness on your phone.
3. Try connecting via another phone (to rule out hardware problems).
4. Contact Xiaomi with error logs (you can export them to Mi Fitness via Settings) → Reviews).

Additional settings after connection

After successful synchronization, we recommend setting up:

• 🏃 Sports profiles: In Mi Fitness, select the sports you practice (running, cycling, swimming, etc.) and the watch will automatically recognize activity.
• ❤️ Health monitoring: Enable pulse measurement (recommended interval: every 10 minutes). Activate sleep monitoring and stress levels. Set up low activity reminders (good for office work).
• 🔋 Energy Saving: Turn on Sleep Mode for the night (turns off notifications and screen). Set up Automatic Screen Shutdown (optimally: 5-10 seconds).
• 🎵 Music and Media: Download watch playlists via Mi Fitness (available) ~2GB of memory. Connect your wireless headphones directly to your watch to listen to music without your phone.

Useful chips Xiaomi Watch 4 Pro:

• 🔐 Unlocking Phone: Enable the Unlock Phone option in Mi Fitness – the watch will unlock the smartphone when approaching.
• 🌍 Offline maps: Download maps of your city to navigate without your phone (available in Settings) → Maps).

💡

To extend the working hours, turn off the Constant pulse and Automatic measurement SpO2 In the health settings, only turn them on when necessary.

FAQ: Answers to Frequent Questions