How to connect Xiaomi smart watches to the smartphone Redmi 9 Pro: full instruction 2026

Why sync Xiaomi Watch with Redmi 9 Pro

Xiaomi smartwatches are not just accessories, but a full-fledged assistant for health tracking, notification management, and even payment. However, all these features become available only after connecting to a smartphone correctly. Redmi 9 Pro owners often face questions about what software to use, how to avoid synchronization errors, and what settings to optimize for stable operation. In this article, we will analyze the process of connecting from A to Z – from preparing devices to solving typical problems.

The Xiaomi Watch + Redmi 9 Pro pair is that both devices run on the MIUI ecosystem, which should theoretically make syncing easier. But in practice, users face nuances from choosing the right version of the Mi Fitness app (formerly Mi Fit) to setting the permissions in Android 11/12, which runs the Redmi 9 Pro. We will take all these points into account to make your connection smooth.

Preparation of devices before connection

Before you start syncing, make sure both devices are ready to go. Let's start with the Redmi 9 Pro:

• 📱 Update the firmware: go to Settings → The phone. → Update the system and install the latest security patches, which will eliminate possible compatibility bugs.
• 🔋 Charging: The battery level on the phone should be at least 50%, and the Xiaomi watch should be fully charged (especially if it is a new model out of the box).
• 📶 Internet connection: connect your phone to Wi-Fi or mobile network (3G/4G). Synchronization of data requires a stable connection.
• 🔒 Permissions: Check that your phone’s security settings allow you to install apps from unknown sources (if you plan to download them). APK-Mi Fitness).

Now on to Xiaomi watches:

• ⚙️ Reset to factory: If the watch has already been used with another phone, reset via Settings → System system → Reset (on the watch itself).
• 📦 Branded packaging: some models (e.g. Xiaomi Watch) S3) require scanning QR-activation-box.

⚠️ Note: If you connect Xiaomi watches to Redmi 9 Pro after using iPhone, remove them from Apple Health profile beforehand.

Selection and installation of a synchronization application

The official app for connecting Xiaomi watches is Mi Fitness (formerly Mi Fit).

• 🌍 Regional versions: Depending on the country, you may need Mi Fitness (global version) or Zepp Life (for Amazfit models, which also makes Xiaomi).
• 📥 Sources of download: 📌 Google Play: The Safest Way, But The Version May Be Older. 📌 APKMirror: Up-to-date versions, but requires manual installation. 📌 Xiaomi official website: sometimes offers beta versions with new features.

Installation instructions:

1. Download Mi Fitness from Google Play or APKMirror.
2. Launch the app and sign up through a Xiaomi account (required!).If you don't have an account, create it in advance.
3. Turn on Bluetooth and Geodata on your phone – without them, synchronization is impossible.

⚠️ Note: If you install Mi Fitness through APK, Turn off automatic updates to Google Play. Otherwise, the global version from the store may overwrite your regional build, which will lead to loss of sync.

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Before installing Mi Fitness, clear the Google Play Services cache on your phone.This will eliminate possible errors in the authorization of your Xiaomi account.

Step-by-step instructions for connecting the clock

Now, to the synchronization process itself, follow the instructions carefully to avoid the typical errors:

1. Activate Bluetooth on your phone: Open Settings → Connections → Bluetooth on Redmi 9 Pro and turn it on. Make sure Visibility for All mode is active (for 2-3 minutes).
2. Launch Mi Fitness: Open the app and click Profile → Add device. Select your watch model from the list.
3. Device search: The app will start scanning. When the name of your watch appears on the list (e.g. Mi Band 8), tap it.
4. Confirmation of connection: The watch will show a code (usually 6 digits) compared to the code in the app and confirm pairing.
5. Set up notifications: Allow Mi Fitness to access Notices, Contacts and Geodata in your phone settings. Without this, the watch will not show incoming calls and messages.

Critical: If the Xiaomi watch doesn’t vibrate or show the code at the code confirmation stage, reboot it (hold the power button for 10 seconds) and try again. This problem often occurs when you first connect to the Redmi 9 Pro due to Bluetooth version conflict.

Set up the main functions after connecting

After successful synchronization, you need to configure key functions to make the watch work as efficiently as possible:

• 🔔 Notifications: In Mi Fitness, go to Device Profile → Notifications and select the apps you want to see on your watch (e.g. WhatsApp, Telegram, SMS).
• 🏃 Activity tracking: Activate automatic recognition of walking, running and sleeping in Health Monitor. For accuracy, enter your height, weight and age in your profile.
• 💳 Bezier Pay (if supported): For models with NFC (For example, Xiaomi Watch S3) Add a bank card via Mi Fitness → Pay attention: the service does not work in all countries.
• 🎵 Music Management: Enable Player Control to switch tracks straight from the clock (works with Spotify, YouTube Music and the standard player) MIUI).

Pay special attention to setting up automatic data synchronization. In Settings → Synchronization, set an interval of refresh (recommended every 30 minutes), This is important for tracking heart rate and blood oxygen levels in real time.

Solving common connection problems

Even with the correct instructions, Redmi 9 Pro users may encounter errors, and consider typical scenarios and ways to fix them:

If Xiaomi watches are connected but permanently switched off, check:

• 🔄 Energy Conservation: In Settings → Battery → Energy Saving on Redmi 9 Pro Add Mi Fitness to Exclusion List.
• 📵 Background Activity: Allow the application to run in the background (Settings) → Annexes → Mi Fitness → Battery → Background activity).

⚠️ Note: If after the update MIUI On the Redmi 9 Pro, the watch stopped connecting, try to roll back the Mi Fitness version to the previous one. New builds of the app sometimes contain bugs for specific phone models.

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90 percent of connectivity problems are solved by resetting your watch and reinstalling Mi Fitness, and always start diagnosing with these steps.

Optimizing the work of Xiaomi watches with Redmi 9 Pro

After successful connection, you can improve the interaction of devices with additional settings:

• 🔗 Auto Connection: In Bluetooth settings on your phone, enable Auto Connect for your watch.This will eliminate the need for manual pairing after rebooting.
• 📊 Health data export: You can link your account to Google Fit or Apple Health (if you use multiple devices) in Mi Fitness. → Settings → Related accounts.
• 🔋 Saving Charge: Turn off constant heart rate monitoring (if not critically) and reduce the brightness of the watch screen to 50%. This will extend the autonomy of the 20-30%.

For users of Redmi 9 Pro with root rights, additional features are available:

• 🛠️ Modified firmware: for example, the Amazfit Mod for Xiaomi watches adds new dials and features.
• 📱 ADB-commands: you can disable unnecessary system notifications that are duplicated on the watch: adb shell pm grant com.xiaomi.hm.health android.permission.WRITE_SECURE_SETTINGS

If you don't plan on getting into the technical details, standard settings are enough, but there are plenty of customization options available for MIUI and Xiaomi enthusiasts.

FAQ: Answers to Frequent Questions