How to connect a smart watch to a Xiaomi Android phone via Bluetooth

Integrating wearables into the Android ecosystem has become the standard for millions of users, but Xiaomi smartphone owners often face nuances that are not obvious when first introduced. The synchronization process requires not just the inclusion of a wireless module, but also the correct configuration of system resolutions that an aggressive policy of energy saving the MIUI shell or HyperOS can block by default.

Modern smart watches and fitness trackers from manufacturers like Amazfit, Huawei or Apple (with limitations) require a specific approach when working with Android devices. Simple scanning through the standard menu of phone settings often does not give full access to the functionality of the gadget, limiting its role to a simple display of time.

In this article, we will take a closer look at the algorithm that guarantees stable connection, and also look at hidden settings that are rarely mentioned in official manuals. You will learn why you can not pair devices directly through the Bluetooth system menu and what resolutions are critical for the background operation of applications. Deep dive into technical details will help you to adjust the gadget so that it works autonomously and without failure.

Preparation of equipment and software

Before you start pairing, you need to make sure that both devices are ready for software-level interaction. The basic requirement is to have an active Mi Account or Google Account, depending on which services you plan to use. The batteries of both devices should be at least 50% charged, since the process of initial setup and updating the watch firmware can require significant energy consumption.

A key element of preparation is installing the right software. Unlike conventional accessories, smartwatches are controlled through dedicated apps that are downloaded from the Google Play store or GetApps. For Xiaomi and Amazfit ecosystem devices, the main tool is the Zepp app (formerly Mi Fit), although some models may require Galaxy Wearable or Wear OS by Google.

⚠️ Note: Do not try to connect the watch through the standard Bluetooth menu in your phone settings until you have completed the setup in the app. Direct pairing without authorization in an application often leads to an β€œunconnected” error or creates a non-working connection that cannot be removed without resetting network settings.

It is also important to check the version of the smartphone operating system. For the correct operation of modern Bluetooth Low Energy (BLE) protocols, it is recommended to use Android versions 8.0 and higher. On older versions of the system, there may be problems with the stability of data transfer or the inability to install the latest versions of control applications.

Make sure that all the necessary communication modules are on the smartphone. In addition to Bluetooth, an active setup is often required for the initial setup. GPS-module, since the Android operating system uses geolocation to detect nearby devices. disabling geolocation can make the watch invisible to the application's search engine.

Installation and configuration of the control application

The process begins with downloading and installing specialized software. For most devices that are compatible with the Xiaomi ecosystem, the best choice is the Zepp application. Once the installer is downloaded, you need to provide the application with an expanded set of permissions immediately on the first run. Android system, especially in the MIUI shell, will request access to contacts, call log, location and memory.

Creating an account is a must, and without registering with Zepp Account or Mi Account, the app will be blocked, and it is important to provide correct personal data (height, weight, age) when registering, since algorithms will calculate activity and calorie values on the basis of this.

πŸ“Š What app do you use for your watch?
Zepp (Mi Fit)
Galaxy Wearable
Wear OS
Huawei Health
Other

Once authorized, the app will suggest adding a new device. At this point, the interface may suggest upgrading the app itself to the latest version β€” agree, as older versions often do not contain drivers for new watch models. In the main menu in the Profile or Devices tab, click Add Device.

The application interface will automatically switch to search mode, at which point it will start scanning the airspace for available gadgets, and if you have multiple devices on the list, the system will ask you to select a specific model from the directory to apply the correct pairing profile.

It is important to note that Xiaomi smartphones with MIUI shell often display a security alert when an application tries to access Bluetooth. You must confirm permission by selecting Allow or Always Allow. Ignoring this request will result in the application being unable to initiate a connection.

The process of pairing via Bluetooth

When the app finds your watch, the device will be displayed on the screen and paired request, while the watch display (or vibration signal if there is no screen) will receive a notification about the connection request, and the screen may display a digital code that you need to check with the code on the phone.

Confirmation of a request is a critical point in establishing a secure communication channel. BLE uses a handshake to exchange encryption keys. Pressing the "Confirm" button on both devices triggers the process of exchanging certificates.

β˜‘οΈ Checklist of successful pairing

Done: 0 / 1

When you connect, the system can request permission to access notifications, which allows you to broadcast messages from messengers, social networks and SMS on your wrist. Without this permission, the watch will only work as a fitness tracker and chronometer. In the list of applications, you need to activate the switches for all the necessary services, for example, Telegram, WhatsApp, Instagram.

Once paired successfully, the watch may suggest updating the internal firmware, which can take anywhere from 5 to 20 minutes depending on the software version and the speed of the Internet, and it is absolutely impossible to interrupt the update, as this can lead to a software failure.

What if the code doesn't match?
If the codes on the phone and watch screen are different, don't confirm the connection. Cancel the operation on both devices, turn off and turn on Bluetooth again, then repeat the search. The mismatch of the codes may indicate an attempt to connect an unauthorized device or a failure of the protocol.

The final step in the initial setup is to synchronize time and date, which is usually done automatically via the smartphone network, but in some regions you may need to manually set the time zone in the app settings to make the alarms work correctly.

Optimization of work in MIUI and HyperOS

Owners of Xiaomi, Redmi and POCO smartphones face an aggressive energy saving system that by default β€œkills” the background processes of applications to save battery power. To ensure that the watch does not disconnect from the phone every few hours, you need to manually configure the Zepp app or another manager.

The first step is to turn off battery savings for a particular application. Go to Settings β†’ Apps β†’ All apps, find your watch manager (e.g. Zepp), select Activity Control, and set No Limits mode. This will prevent the system from forcibly closing the application.

Setup parameterRecommended valueLocation on the menu
Auto-startIncluded.Applications β†’ Permissions β†’ Auto-Run
Working in the backgroundPermitted.Appendices β†’ Zepp β†’ Battery
Locking in memoryLocked.Menu of running applications β†’ (retention)
Access to BluetoothAlways allowed.Annexes β†’ Permits

The second important aspect is to fix the application in RAM: Open the menu of running applications (a swipe from the bottom up with retention or a menu button), find the window of the watch manager and click on the lock icon or hold your finger for a preview by choosing Lock. Having a lock ensures that the memory cleanup (β€œgarbage”) will not affect this process.

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For maximum stability, also enable display on top of other applications in the permissions of the watch manager, which will allow the call pop-ups to correctly display on the watch screen.

It’s also worth checking the Bluetooth settings in the engineering menu or optional settings. Some versions of MIUI have the option to Show Devices Without a Name or Bluetooth Caching. If you have problems, try clearing the Bluetooth cache through the Settings menu β†’ Apps β†’ Show System Processes β†’ Bluetooth β†’ Memory β†’ Clean.

Solving Typical Connection Problems

Even if you follow all the instructions, you can have technical failures. One of the common problems is that the phone sees the watch but doesn't connect, or the connection is reset immediately after you install it. In this case, the effective method is to completely reset the network settings on the smartphone. This action will remove all stored pairs of Bluetooth and Wi-Fi networks, so be prepared to re-enter the router passwords.

If the watch has previously been paired with another phone, it may try to automatically plug in to it, ignoring the new request.Make sure the old device has the Forget device action in the Bluetooth menu, and the app on the old phone has the gadget removed from the list of devices.

⚠️ Note: If the watch has stopped responding to commands and is not displayed in search, perform a full Hard Reset on the watch itself. β†’ Disconnect or Factory Reset) or long-term control button retention.

Another common situation is data desynchronization: steps are not recorded, pulse is not measured, this is often treated by forcibly stopping the application and restarting, or reinstalling the application itself with complete data cleaning. When reinstalling, make sure that your data is stored in a cloud account.

Notification problems are often not related to Bluetooth, but to the settings of the messengers themselves. For example, Telegram or Viber must have the sound of notifications turned on. If the application itself is in the mode "No sound" or "Do not disturb", the clock will not vibrate, because the system considers the notification insignificant.

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90% of connection problems are solved by completely removing the device from the phone’s Bluetooth system, restarting the smartphone and re-associating through the app, rather than through the settings menu.

Advanced functions and data synchronization

Once you've set up successfully, you can access the advanced functionality, you can customize the dials by downloading them from the store or creating your own photos, and you can sync your health data in the background, but you can force the update by pulling the app screen down.

For users involved in sports, accuracy is important. GPS. The watch can be used GPS-Smartphone module to build track, saving its own charge. In the application you need to select the option Use GPS This allows the watch to keep its power-consuming satellite receiver off the grid.

Integration with Google Fit or Apple Health (through third-party syncs) allows you to aggregate data from all devices in one place. In the Zepp app settings, there is a Add Accounts section where you can link services, which is especially useful if you use multiple different gadgets.

Regular updates to the watch firmware through the app are key to stability and new features. Manufacturers often release patches that improve sensor performance or add new sports modes.

Why does the watch not show notifications from WhatsApp?
Check three conditions: (1) In the Zepp app, the "Application Notifications" section should have a switchboard opposite WhatsApp. (2) WhatsApp itself should have sound enabled in the notification settings. (3) The phone should not have "Do Not Disturb" or "Sleep" activated, which blocks vibration.
Can I connect my watch to two phones at the same time?
Most budget and mid-range watches only support a single active device.Switching requires disconnection from the first phone.Flagship models with eSIM or advanced Bluetooth 5.0+ can support multi-point, but functionality is often limited to audio transmission rather than data management.
How to reset your watch if it is stuck?
On most Amazfit and Xiaomi models, you need to find a small hole with a reset button on the back and press a clip there. If there is no hole, press the side button for 15-20 seconds before the logo appears. At the very least, put the battery in zero.