How to connect a watch to a Xiaomi phone: Xiaomi Mi Band 4 and smart watch

Modern wearables have become an integral part of the digital ecosystem, allowing you to monitor your health and stay connected without having to constantly pull out your smartphone. However, like any complex electronics, they require the right initial setup to work properly. The process of connecting a watch to your phone through the Xiomi 4 bluetooth can seem confusing to a beginner because of the many nuances of pairing different versions of operating systems.

The main difficulty often lies not in the device itself, but in the specifics of the Bluetooth Low Energy (BLE) communication protocol, which uses the Xiaomi Mi Band 4 fitness tracker. Unlike conventional wireless headphones, these gadgets are not always visible in the standard Bluetooth menu until they are tied through a special application. Understanding this logic is the first step to successfully synchronizing your device with Android or iOS.

In this guide, we will take a detailed look at all the stages of preparation, software installation and direct pairing, you will learn about the typical errors that users make and how to fix them quickly, and the right setup the first time will ensure that notifications work consistently and the accuracy of collecting data about your activity.

Preparation of the device and smartphone for pairing

Before you go into action on the phone menu, you need to make sure that both devices are ready to communicate.The battery charge of the tracker should be enough so that it does not turn off during the firmware update process, which often occurs immediately after you connect. If the bracelet has been on the shelf for a long time, put it on charge for at least 15-20 minutes.

On the smartphone side, you also need to do a number of presets: make sure the wireless module is activated and works correctly. Sometimes the system requires a restart of the Bluetooth stack to detect new devices, especially if you have connected many different gadgets before.

⚠️ Note: Don't try to search for the bracelet through the standard Bluetooth menu in your phone's settings. Mi Band 4 doesn't show up there until you've completed registration in the app, and direct pairing through the system menu can lead to sync errors.

It is also important to check the version of your phone’s operating system. Current versions of the tracker’s firmware require up-to-date security patches for Android or iOS. Outdated versions of the OS may not support the new encryption protocols used in the latest firmware bracelet updates.

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Before you start setting up, clear the list of old, unnecessary devices in your phone’s Bluetooth menu, which will help avoid address conflicts and speed up your search for a new gadget.

Installation and configuration of the Mi Fit or Zepp Life app

A key element of the ecosystem is the software that mediates between the hardware of the bracelet and the phone's operating system. Mi Fit was the main application, but recently there has been a massive migration of users to the Zepp Life platform. Both applications are functionally similar, but Zepp Life gets interface updates and new features first.

Download the installation file should be exclusively from official sources: Google Play Store for Android or App Store for iOS. APK-files can lead to the installation of malicious code or unstable synchronization of data. Once installed, the application will request a number of permissions that must be provided for the correct operation.

Creating an account is a must-do step, and you can sign up using your phone number, email address, or social media accounts, and then you have to fill out a profile, which is gender, height, weight, and date of birth, and algorithms use this data to more accurately calculate calorie expenditure and step length.

  • πŸ“± Permission to use geolocation (GPS) necessary for correct tracking of runs and routes.
  • πŸ”” Access to notifications is required to broadcast messages from messengers to the bracelet screen.
  • πŸ“‚ File storage permission is required to save health data backups and firmware updates.
  • πŸƒβ€β™‚οΈ Access to motion sensors (accelometer) is mandatory for counting steps in the background.
πŸ“Š What app do you use for the tracker?
Mi Fit (old version)
Zepp Life (new)
I use third-party apps (Notify & Fitness)
Not using the app yet.

Step-by-step: how to connect the clock to the phone

The process of connecting requires sequential execution of actions. Open the installed Zepp Life or Mi Fit app and go to the Profile tab. At the top of the screen, find the Add Device button or the plus in the corner. From the list of available gadgets, select Mi Smart Band 4.

The app will go into search mode, at which point a vibration or graphic symbol may appear on the tracker screen to indicate the expectation of pairing. If the bracelet has previously been connected to another phone, it may need to first untie or reset to factory settings through the menu of the bracelet itself.

β˜‘οΈ Checklist of successful connection

Done: 0 / 4

When an image of your bracelet with its unique ID appears on your smartphone screen, click on it to start (pair). The tracker screen will see a request for confirmation, often in the form of a vibration or flashing icon. Press the touch button of the bracelet to confirm the action.

Once the connection is successful, the time-date synchronization process will begin, the clock will automatically adjust to the phone's time zone, the software update may follow, the firmware is a set of instructions that govern the operation of the device, and its relevance is critical to correcting errors.

PhaseUser actionDevice response
1. Search.Press "Add" in the annexScanning of etheric space
IdentificationSelecting the ID bracelet in the listVibration and confirmation request
3. The conjugationConfirmation by pressing a buttonInstallation of a secure communication channel
4. SynchronizationExpectation of completion of the processUpdate of dial and time

Solving Bluetooth and device visibility issues

Often, users are faced with a situation where the phone simply β€œcan’t see” the bracelet. This can be caused by caching old connection data. In the Android operating system, the accumulated data about Bluetooth devices sometimes conflicts with new attempts to connect, in which case it helps to clear the Bluetooth cache through the developer menu or reset network settings.

Another common problem is the aggressive energy saving policies embedded in MIUI, HyperOS or other custom firmware shells, which can kill the background process of a Zepp Life application, believing it to be inactive, leading to a connection break, and the system must be manually prevented from closing the application.

⚠️ Note: If the bracelet appears in the list of conjugated devices in Bluetooth settings but does not work in the application, remove it from the Bluetooth system list! Fit/Zepp Life.

The Bluetooth 5.0 protocol used in the Mi Band 4 has a good range, but metal phone cases or magnetic lock cases can create a shielding effect.

Hidden Bluetooth settings for advanced users
You can change the Bluetooth stack version or reset your Bluetooth settings on the Android developer menu, and be careful, this can temporarily disrupt other wireless devices, such as headphones or smart speakers.

Configure notifications and functions after connection

Once you've successfully connected, you get the full functionality of the device, and the first thing you need to do is to customize the information you're displaying, and you can choose which notifications are going to come to your wrist, so you can filter out the noise and only get the really important messages.

The special feature that deserves attention is the wrist lift to turn on the screen. It uses a gyroscope to activate the display when you look at the watch. However, the sensitivity of this sensor requires calibration. If the screen lights up too often or does not respond, try changing the angle of activation in the settings.

  • πŸŒ™ Do Not Disturb mode allows you to turn off vibration and backlight at a given time, for example, at night.
  • πŸ’“ Setting your target pulse will alert you with vibration if your heart rate goes beyond the established limits during exercise.
  • πŸ“΅ The phone search feature will make the smartphone ring loudly, even if it is in silent mode.
  • πŸŠβ€β™‚οΈ Locking the screen with water prevents accidental tapping while swimming or showering.

It's important to set your activity goals right. The standard 10,000 steps can be too high for beginners or too low for professional athletes. Adapt your lifestyle goals to keep motivation high and achievement realistic.

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The right way to set up notifications is to balance awareness with digital detox, leaving only the most important things: calls, SMS and messages from loved ones.

Updating the firmware and maintaining the device

The manufacturer regularly releases updates to improve stability and add new dials. Updating the firmware is a critical process that should not be interrupted. During the upgrade, the bracelet can heat up and the screen can go out and turn on. This is normal behavior.

Interrupting the firmware update process at the level 10-90% This can cause the device to fail completely (the β€œbrick”), which can only be restored in the service center using a special programmer.

Caring for the device also prolongs its life. The strap, especially silicone, accumulates sweat and skin fat, which can cause skin irritation. Rinse the bracelet regularly with warm water and soap and wipe dry before putting on. Also check the contacts of the charger for oxidation.

What if the bracelet stopped vibrating after the upgrade?
Often, when you update your firmware, you reset your vibration settings. Go to the Zepp Life app, go to your device profile and check if the vibration is on, and try changing the vibration type (like Rhythmic to Pulse) to check the motor.
Why does the battery run down quickly after connection?
For the first 2-3 days after you plug in or reset, the bracelet actively synchronizes historical data and calibrates sensors. This is normal. If the flow rate is high for longer than a week, check if the function of constant monitoring of the pulse at a high frequency is turned on or if the backlight is too bright.
Can I connect Mi Band 4 to two phones at the same time?
Officially, the bracelet only supports active connection to one phone, but if you untie it from the first phone (without resetting), it can quickly switch to the second if it also has a sign-in to the same Xiaomi account, but there will be no full real-time synchronization with the two devices.
How to change the dial to a custom dial?
In the Zepp Life app, go to the dial store, which has both free and paid options, and you can also upload your own photo using the Create Dial feature and customize the display of data on it to your liking.
Tracker doesn't count steps, what's the reason?
Check if the bracelet fits tightly to your hand, the sensor must be in contact with the skin to keep the accelerometer running properly, and make sure the app selects the correct activity mode if you are engaged in a specific sport that is different from normal walking.