Connecting a smartwatch M16 Plus to Xiaomi phone: full instruction with error solutions

Introduction: Why synchronize M16 Plus with Xiaomi and what you need

Smart watches M16 Plus is a budget-friendly but functional device that can significantly expand the capabilities of your Xiaomi smartphone, from displaying notifications about calls and messages to monitoring health and music management, proper synchronization will unlock the full potential of the gadget. However, many users have difficulty connecting for the first time: the app doesn’t see the clock, the connection is constantly broken, or the features are not working properly.

In this article, we will analyze the step-by-step connection process taking into account the features of the firmware. MIUI, Consider alternative synchronization methods (if the standard method did not work), and give recommendations for optimizing the pair’s work. M16 Plus + We will pay special attention to common errors – for example, why the clock may not be identified in the list of available devices or why notifications come with a delay.

Before you start, make sure you have at hand: M16 Plus with a charge level of not less than 50%, Xiaomi smartphone based on Android 8.0+ (better — MIUI 12+), stable Internet connection (preferably over Wi-Fi) and 10-15 minutes of free time. MIUI Global or MIUI China, it is not fundamental - the instruction is universal.

1. Preparation of Xiaomi smartphone to connect

Before you connect the watch to the phone, you need to configure the phone itself, which will help avoid most compatibility and connection stability issues, starting with checking the key parameters:

• 📱 Update the firmware MIUI: Go to Settings. → The phone. → Update: Up-to-date firmware minimizes the risk of conflicts with the watch app.
• 🔄 Turn on Bluetooth and location: without them, sync is impossible. Go to Settings → Connections and sharing → Bluetooth and activate both settings.
• 🛡️ Allow installation from unknown sources (if downloaded) APK-Appendix version: Settings → Annexes → Special rights → Installation of unknown applications.
• 📶 Turn off power saving mode for Bluetooth: in Settings → Battery and performance → Battery Consumption Management Find Bluetooth and Select Without Limitations.

Particular attention should be paid to the permissions for the application through which the connection will take place. MIUI By default, many functions are blocked out of the box, for example, if you do not give the application access to Notifications or Contacts, the watch will not be able to show incoming calls or SMS.

⚠️ Note: If your Xiaomi has custom firmware installed (like LineageOS or Pixel Experience), some features M16 Plus may not work properly, in which case we recommend using original firmware or proven builds. MIUI from xiaomi.eu.

2. Installation and configuration of the application for M16 Plus

Official annex for M16 Plus is called WearFit Pro (formerly WearFit:

• 🌐 Google Play (if available in your area).
• 📱 From the official website of the manufacturer (see WearFit Pro on request) APK M16 Plus).
• 📎 APKMirror or APKPure (check version – must be at least 2.0.0).

After installation, follow the following steps:

1. Open WearFit Pro and select the language (we recommend English or Russian if available).
2. Click Add Device and select the model M16 Plus from the list.
3. Confirm your request to access Contacts, Notifications, Location and Phone (all permissions are required!).
4. Turn on Bluetooth on the watch (press the power button for 3 seconds until the search indicator appears).

If the app doesn't see the clock, try:

• 🔄 Reboot Bluetooth on your phone (disable/enable in the notification curtain).
• 📱 Remove the WearFit Pro app cache in Settings → Annexes → WearFit Pro → Warehouse → Clear the cache.
• 🔋 Restart the watch itself (press the power button for 10 seconds).

3. Step-by-step clock synchronization with the phone

When the preparation is complete, we will start the direct connection. Follow the instructions carefully - the order of action is important!

1. Activate the pairing mode on the clock: Press and hold the physical button on the watch M16 Plus for 5 seconds until it appears on the screen QR-If the screen is not responding, check if the button is locked (sometimes it is enough to reset the clock to factory settings via Settings). → System → Reset).
2. Search for a device in WearFit Pro: In the app, click Scan. The watch should appear in the list as M16 Plus_XXXX (where XXXX — If the device is not displayed, try manually entering MAC-The address of the clock (you can find it in the settings of the clock) → About → MAC Address).
3. Connection Confirmation: You'll see a pairing request on your phone, confirm it. PIN-code (default 0000 or 1234).

Completion of the setting:

• After successful connection, the application will offer to update the firmware of the watch - agree if the version of the software on the watch is outdated.
• Set up the basic parameters: units of measurement (metric/imperial), target number of steps, notifications.
• Return to WearFit Pro and select apps in the Notification Settings section that must be duplicated by the clock.

On the clock. M16 Plus:

• 🔕 To reject the call, swipe left on the notification.
• 📞 To answer, click on the green button (only works if the watch is connected to the phone via Bluetooth, and the smartphone is enabled loud mode).
• 🔇 To disable notifications from a particular app, go to Settings of the clock. → Notifications → App List.

⚠️ Note: Some Xiaomi models (e.g. Redmi Note 10 Pro) POCO X3 Pro) notifications may not come due to aggressive optimization MIUI. In this case, add WearFit Pro to Settings. → Annexes → Special rights → Auto Start and No Limits in Battery Settings.

5. Solving common problems after connection

Even if the watch is successfully connected, there may be failures in operation, and let's look at typical scenarios and how to fix them.

Problem 1: The clock is constantly disconnected from the phone

Reasons:

• 🔋 MIUI Kills WearFit Pro background processes to save battery.
• 📶 Poor Bluetooth connection quality (for example, due to interference from other devices).
• 🔄 Outdated firmware of watches or applications.

Decisions:

• Add WearFit Pro to battery exclusions (Settings) → Battery → Consumption management → No restrictions).
• Turn off Wi-Fi on your watch if you’re not using it (sometimes it conflicts with Bluetooth).
• Update the firmware of the watch through Settings → System Update.

Problem 2: Step/pulse data is not synchronized

Reasons:

• 🚫 No permission to access physical activity in settings MIUI.
• 🔄 The watch was not reset after the firmware update.
• 📱 Conflict with other fitness apps (e.g. Google Fit or Mi Fitness).

Decisions:

• Go to Settings. → Annexes → WearFit Pro → Permits and Enable Physical Activity.
• Reset sensor data on the clock: Settings → Reset Data.
• Turn off sync with other fitness apps in WearFit Pro.

Problem 3: Notifications from messengers do not work

Reasons:

• 🔕 In the settings of the messenger disabled notifications.
• 📵 WearFit Pro has no rights to read notifications.
• 🔄 Conflict with the regime Do not disturb on the phone.

Decisions:

• Check the notification settings in the messenger itself (for example, in WhatsApp: Settings) → Notifications → Pop-up notifications).
• B Settings → Notifications → WearFit Pro Enable Access to Notifications.
• Turn off Do Not Disturb mode or add WearFit Pro to exceptions.

💡

If connection problems occur after the update MIUI, Try to roll back the WearFit Pro version to the previous one (e.g. 2.1.0 to 2.0.5.

6. Alternative ways of connecting (if the standard one does not work)

If WearFit Pro persists in not seeing the watch or the connection is constantly breaking, alternative synchronization methods can be tried, which are less convenient, but often save in difficult cases.

Method 1: Connect with Notify & Fitness for WearFit

It is a third-party app that supports most Chinese smartwatches, including M16 Plus, its benefits:

• 🔄 More stable connection than the original WearFit Pro.
• 📊 Advanced notification settings (you can filter by keywords).
• 🔋 Less loading of the phone battery.

Instructions:

1. Remove WearFit Pro and install Notify & Fitness.
2. In the app, select Add Device → M16 Plus.
3. Follow the instructions on the screen (similar to the standard connection).

Method 2: Manual pairing via Bluetooth settings

If the app refuses to see the watch, you can try to connect bypassing it:

1. On the phone, open Settings → Connections → Bluetooth.
2. Activate the search mode and wait for the appearance M16 Plus on the list.
3. Connect to the clock (may be required) PIN-code).
4. After successful pairing, open WearFit Pro – the watch should be automatically determined.

Method 3: Use Mi Band Master (for limited functionality)

This app is originally designed for the Mi Band, but partially supports and supports the Mi Band. M16 Plus, it'll allow:

• 📊 Read data from sensors (steps, pulse).
• 🔔 Get basic notifications.
• ⚙️ Adjust the vibration and screen.

Restrictions: Music management, phone answers, and some health features will not work.

⚠️ Note: When using third-party applications (such as Notify & Fitness), the original WearFit Pro may conflict. Before installing the alternative, completely remove the standard software and clear its data in Settings. → Annexes.

7. Optimization of work M16 Plus with Xiaomi: battery and performance tips

To ensure that the clock is stable and does not discharge in half a day, follow these recommendations:

• 🔋 Turn off unnecessary notifications: log in to WearFit Pro → Notification Settings and leave only critical applications (calls, SMS, 1-2 messengers. Each notification consumes a charge.
• 🌙 Use dark dials: AMOLED-screen M16 Plus consumes less energy when displaying dark colors. Set a black dial in the Settings of the watch → Display → Watch Faces.
• 📶 Turn off automatic weather updates: in WearFit Pro → Device → Weather Update: Manual (Manual).
• 🔍 Reduce the frequency of data synchronization: C Settings hours → Sync Interval Select Every 30 Minutes Instead of Real-Time.
• 🔄 Reboot the clock once every 3 days: This clears the sensor cache and prevents freezes.

If the watch is discharged too quickly (in less than 24 hours), check:

• 🔋 Battery status: C Settings of the clock → Battery: See which app consumes the most energy.
• 📶 Bluetooth connection quality: If the signal is weak, the watch is constantly trying to reconnect, which puts the battery down.
• 🔄 Background: In WearFit Pro, turn off Continuous Heart Rate if you don’t use it.

💡

If the watch starts to run out quickly after the firmware update, try rolling back to the previous version. Sometimes new builds contain bugs that increase energy consumption.

FAQ: Frequent questions about connection M16 Plus to Xiaomi