Connecting smart watches to Xiaomi smartphone 9T: complete instruction with problem solutions

Synchronizing smart watches with Xiaomi 9T β€” In practice, users are faced with connection errors, application compatibility issues or notifications that are not working correctly. From choosing the right app (Mi Fit or Zepp Life) to the intricacies of Bluetooth 5.0 settings on a smartphone.

Features of Xiaomi 9T β€” base-fix MIUI, This can interrupt communication with the watch, we'll look at how to avoid such failures, and we'll also give you a checklist to diagnose typical problems. GTR 4, Mi Band 8 or watches of another brand – the instruction is universal, but taking into account the specifics of Xiaomi 9T.

1.What watches are compatible with Xiaomi 9T?

Xiaomi Smartphone 9T (model M1903F10I) Supports connecting most smartwatches via Bluetooth 5.0 and Android 9 Pie (with the ability to upgrade to the newest one) MIUI There are nuances, however:

  • βœ… Full compatibility: All devices of Xiaomi brands (Mi Watch, Mi Band), Amazfit (GTR, GTS, Bip, Haylou and Huawei (via Huawei Health).
  • ⚠️ Limited support: Samsung Galaxy Watch or Apple Watch will connect as a regular Bluetooth accessory, but without synchronizing health data.
  • ❌ Incompatible: Devices on Wear OS (For example, Fossil Gen 6 requires a separate Wear app. OS Google, which is in conflict with MIUI.

Important: Watch based on Zepp OS (Like Amazfit. GTR 4) require Zepp Life apps, not Mi Fit – despite the brand’s membership in the Xiaomi ecosystem.

watch brandSynchronization applicationFeatures of connection
Xiaomi (Mi Watch, Mi Band)Mi Fit (or Xiaomi Wear for new models)It requires registration in Mi Account. Supports Mi Pay payments.
Amazfit (GTR, GTS)Zepp LifeYou need to disable battery optimization for the application in Xiaomi settings 9T.
Haylou (Solar, LS05)Haylou Fun or Mi FitSome models are dubbed in Mi Fit under a different name.
Huawei (Watch GT)Huawei HealthNotifications may be problematic due to restrictions MIUI.

⚠️ Note: If you use custom firmware (like LineageOS), Mi Pay and step synchronization may not work properly. MIUI Ensure full compatibility.

2. Preparation of the Xiaomi smartphone 9T plug-in

Before synchronizing the clock, you need to configure the smartphone itself, and skipping these steps often leads to errors like "Disconnected" or "Loss of communication":

  1. Update your firmware: Go to Settings β†’ About Phone β†’ System Update and install the latest version of MIUI.
  2. Turn on Bluetooth 5.0: Go to Settings β†’ Connections β†’ Bluetooth and activate it. Make sure Visibility for All is on for 2 minutes.
  3. Turn off battery optimization: Settings β†’ Annexes β†’ Application management β†’ [Choose Mi. Fit/Zepp Life] β†’ Battery β†’ No restrictions.
  4. Allow AutoRun: In the same app settings, enable "Show notifications" and "Stop Starting".

If you have previously connected other devices via Bluetooth, clear the module cache:

Settings β†’ Applications β†’ All applications β†’ [Three dots] β†’ Show system β†’ Bluetooth β†’ Storage β†’ Clear cache

Update MIUI last-minute|Turn on Bluetooth 5.0 and make the device visible|Disable battery optimization for Mi Fit/Zepp Life|Allow auto-run and notifications for the application|Clear the cache of the Bluetooth module-->

Geolocation problem: Some watches (e.g. Amazfit T-Rex 2) require location access to allow the pedometer to function properly. β†’ Confidentiality β†’ Permits β†’ Geodata and enable access for the watch app.

3. Step-by-step instructions for connecting the clock

Let’s look at the example of Amazfit watches. GTR 4 (For other models, the steps are similar, but menu item names may differ).

Step 1: Installation of the application

Download Zepp Life from Google Play. Don't use it APK From third-party sources, this may result in the blocking of Xiaomi account.

Step 2: Registration of an account

When you first start, the app will prompt you to create an account. Select registration through:

  • πŸ“§ Email (recommended for data recovery)
  • πŸ“± Phone number (quickly but tied to the phone) SIM-map)
  • πŸ”„ Mi Account (if you already have a Xiaomi account)

Step 3: Connecting the clock

Turn on the watch (usually a long press on the physical button). In the Zepp Life app, click Add Device and select the model from the list. Wait for the watch name to appear in the Bluetooth section of your smartphone and confirm the connection.

What if the watch is not on the list?
1. Reset the clock (usually by pressing the button for 10 seconds). 2. In Bluetooth settings on Xiaomi 9T Remove all previously paired devices. 3. Try connecting via the Mi Fit app - sometimes Amazfit is duplicated there under a different name (e.g. Huami Amazfit). GTR 4. 4. If the watch is still not visible, reset it to factory settings (in the instructions for the watch, look for the item "Reset").

Critical moment: If the watch screen shows a confirmation code, enter it in the app. on Xiaomi 9T firmware MIUI 12 code may not be displayed - in this case, restart the smartphone and try again.

Step 4: Set up notifications

After connecting, go to the clock settings in the application and turn on:

  • πŸ“© Call notifications (requires permission to access contacts)
  • πŸ’¬ Messages from instant messengers (select the necessary ones: WhatsApp, Telegram, etc.)
  • πŸ”” Reminders of inaction (good for office work)

⚠️ Attention: On Xiaomi 9T Notifications may or may not be duplicated due to the dual app feature (if you cloned messengers.

4. Solving typical connection problems

Even with the right setup, there can be failures, and let's look at the most common errors and their solutions:

Problem.Possible causeDecision
"Unable to connect."Conflict with other Bluetooth devicesTurn off all other gadgets (earphones, speakers) and try again.
The clock is connected, but the data is not synchronized.Limitation of background activity MIUITurn off Battery Optimization for the watch application (see Section 2).
Notifications are coming with a delaySavings in traffic or batteryEnable "Autostart" and "Background" for the application.
The clock shuts down after 5-10 minutesBluetooth goes into sleep modeIn the developer settings (Settings) β†’ The phone. β†’ Version. MIUI β€” Press 7 times) turn off "Stop Bluetooth in Sleeping Mode".

If the clock is not defined at all:

  1. Check if your watch model supports Bluetooth 5.0 (old devices on your watch) BT 4.2 may not be connected to Xiaomi 9T).
  2. Remove the cache and data of the Mi app Fit/Zepp Life in the settings of the smartphone.
  3. Try connecting via another device (like a tablet) – if the problem persists, the clock is faulty.

The watch is not on the device list.|Connected, but the data is not synchronized|Notifications don't come in.|The clock is constantly off.|Another problem.-->

5. Configure additional functions

Once connected successfully, you can activate the watch's advanced features. 9T It's done this way:

5.1 Contactless payments Mi Pay

If your watch is supported NFC (For example, the Mi Watch or the Amazfit GTR 4), connect the payment system:

  1. Open the Mi Pay app (download from the App Store if not installed).
  2. Add a bank card (Sberbank, Tinkoff, VTB, etc. are supported).
  3. In the settings of the watch, turn on "Payments from the wrist" and tie the card.

⚠️ Attention: On Xiaomi 9T Mi Pay may not work due to bank security requirements. MIUI.

5.2. Music management

To control the playback of music from the clock:

  • 🎡 Install Music Management app from Zepp Life store (for Amazfit).
  • πŸ“± On your smartphone in Bluetooth settings, allow media access for the watch app.
  • πŸ”Š Launch the player (Spotify, Yandex Music) on the phone – the clock will have controls.

Sports regimes and health monitoring

For accurate tracking of activity:

  1. In the watch app, select "Profile" β†’ Sport" and add the desired modes (running, cycling, swimming, etc.).
  2. Set up β€œActivity Goals” (e.g. 10,000 steps per day).
  3. Turn on "Sleep Monitoring" and "Harbour rate measurement" in automatic mode.

πŸ’‘

If the pulse on the watch shows unreal values (for example, 200 beats / min), clean the sensor on the back of the watch with an alcohol wipe.

6. How to unplug your watch from Xiaomi 9T?

If you want to connect the watch to another device or sell it, you need to properly break the connection:

  1. Through the app: Open Mi Fit/Zepp Life β†’ Profile β†’ Your device. β†’ [Three points] β†’ Remove the device
  2. Through Bluetooth Settings: Settings β†’ Connections β†’ Bluetooth β†’ [Click on the watch name] β†’ Forget the device
  3. Reset: On the watch itself, find the menu item "Reset" or "Restore factory settings".

Important: If you simply remove the watch from Bluetooth without resetting it, the next time you connect, you may experience synchronization errors. Always reset the watch itself!

πŸ’‘

Before selling the watch, be sure to untie them from your account. Xiaomi/Zepp Otherwise, the new owner will not be able to connect them.

7. Alternative ways of connecting

If the standard method doesn’t work, try alternatives:

7.1 Connection via Notify & Fitness

The Notify & Fitness for Mi Band app (available on Google Play) supports most smartwatches and fitness bracelets, including Xiaomi and Amazfit devices.

  • πŸ”„ It even works on unofficial firmware.
  • πŸ›  More notification settings (filtering by application).
  • πŸ“Š Supports data export to Google Fit.

Disadvantage: There is no official support from Xiaomi, so synchronization bugs are possible.

7.2.Use of Gadgetbridge (for advanced users)

Gadgetbridge is an open source tool for managing wearables, which is good if you don't want to use official apps.

  1. Download Gadgetbridge from the official website (the outdated version is in Google Play).
  2. Turn on the Developer Mode on the watch (usually after 5 times pressing the version of the software in the settings of the watch).
  3. Connect the watch via Bluetooth to Gadgetbridge.

⚠️ Note: Gadgetbridge does not support all watch features (e.g. Mi Pay or branded workout modes.

FAQ: Frequent questions about connecting the watch to Xiaomi 9T

❓ Can I connect the Apple Watch to Xiaomi? 9T?
Technically, yes, but only as a normal Bluetooth accessory for calls, Apple Health, notifications and data synchronization will not work, and you need an iPhone to be fully usable.
❓ Why Mi Band 8 Watches Are Not Connected, Even though Bluetooth Is On?
The problem may be: Outdated version of Mi Fit (update the app); conflict with other devices (disable all other Bluetooth gadgets); restrictions MIUI (Check the battery settings for Mi Fit. Try restarting your smartphone and watch, then reconnect.
❓ How to transfer data from a clock to a new phone?
If you change your smartphone but leave the same watch: On an old phone, go to Mi Fit/Zepp Life and sync to the cloud. On a new phone, sign in to the same account, the data will be automatically downloaded, connect the watch to the new device through the app. If you use a different account, your health and activity data will not be transferred.
❓ Can I connect my watch to Xiaomi? 9T iPhone at the same time?
No, you can only tie a watch to one device. When you connect to a new smartphone, the connection to the previous one automatically breaks, except for some Amazfit models that support multi-connection (but notifications will be duplicated).
❓ Why After Updating MIUI The clock stopped connecting?
Update MIUI It can reset the permissions for applications, check if Bluetooth is on and the visibility of the device is on, if there are any restrictions on the background work of the Mi. Fit/Zepp Life. Does the antivirus (e.g. Avast) block the connection. If the problem persists, clear the cache of the watch app and restart the smartphone.