Users often experience a situation where a new activity tracker does not respond to touch immediately after being removed from the box.This is not a sign of a breakdown, but the normal behavior of the device, which is in deep sleep mode to save battery power when stored in stock. To activate the fitness bracelet, you need to perform a series of sequential actions, starting with physical charging.
The initial activation of Xiaomi Mi Band 4 requires a charged battery, as the factory level of energy may be minimal or completely absent. the process of "waking up" gadget takes a few minutes, after which the display should appear welcome symbols or charging indication. It is important to understand that without connecting to the smartphone through a special application, the full operation of the device is impossible.
In this article, we will take a detailed look at all the steps of first running, adjusting display settings, and fixing common issues when the screen remains black.You will learn how to properly prepare the tracker for operation and sync it with your phone for health tracking.
Preparation for the first start and charging of the device
Before you look for an on button that doesn't physically exist on the Mi Band 4 body, you need to power the device, and the tracker activates automatically when you connect to the power source, and you need to remove the capsule from the silicone strap, gently pressing on the convex part from the bottom, and insert it into the charging cable.
Connect. USB-The cable connector to any available computer port or smartphone power adapter. The battery icon with the lightning should light up on the bracelet screen. If the screen is black, wait 5-10 minutes: sometimes the power controller takes time to restore voltage before starting the display. Charging Indication is the first sign that the device has come to life.
Make sure the contacts on the capsule and cable are clean and not oxidized.Dirt or moisture may interfere with the transmission of current, and the bracelet will not turn on.Wash the contacts with dry cloth before connecting.
⚠️ Warning: Do not use Quick Charge chargers above 1 Amp. High current may damage the power controller of the tracker's compact battery.
Once the Mi logo or the battery image comes up, the device is ready for further manipulation, and if the screen catches fire but goes out quickly, it's OK to turn on the power saving mode, and you need to adjust it over the phone to work constantly.
Installation of the Mi Fit application and registration
The bracelet itself is only a data display, and all the logic of work and configuration is stored in the smartphone. To manage the Xiaomi Mi Band 4, the Mi Fit application (in new versions may be called Zepp Life) or Xiaomi Wear is used.
Once you install the app, you need to create an account or log in to an existing one, which is a prerequisite for synchronizing health and activity data, and when you sign up, you have to specify your phone number or email address, and it takes only a few minutes.
- 📱 Download the official Mi Fit or Zepp Life app.
- 📝 Register an account using an email or phone number.
- 🔐 Confirm the entry through the code from SMS letter.
- 📍 Allow the app to access geolocation and notifications.
It is important to give the application all the permissions requested, especially access to Bluetooth and geolocation. Without these rights, synchronization between the phone and the bracelet will be unstable or impossible. In the phone settings, it is also advisable to turn off energy savings for the Mi Fit application itself, so that it works in the background.
Interconnection of the bracelet with a smartphone
After you register in the application, you need to add a new device. Open the Profile tab and select Add Device, then Bracelet. The application will run the scanning space for Bluetooth signals.
Hold the bracelet closer to the phone. The Mi Band 4 should show a vibration signal and a Bluetooth graphical symbol offering pairing. Tap the bracelet screen or tap the virtual button in the confirmation app. The device ID usually looks like a MI Band 4 with a unique number.
When pairing, a request for code confirmation may appear on the smartphone screen, make sure the codes on the phone and wrist match, and click "Confirm." Once the bracelet is successfully connected, the app's status will be displayed on the "Connected" screen.
☑️ Checking for pairing
If the device is not found, try restarting Bluetooth on your phone or restarting the app itself, sometimes helping to remove older, previously paired devices from the Bluetooth list in your phone's settings.
Setting up the screen and display parameters
One of the key features of the Mi Band 4 is color. AMOLED-After switching on, the user may find that the screen goes out too quickly. For comfortable use, you need to adjust the timeout of the backlights and brightness.
Go to the bracelet settings in the Mi Fit app. Find the bracelet settings section → Screen. Here you can select the time the screen stays on after lifting your wrist or touching it, the optimal value is 10 seconds or 15 seconds.
- 🌞 Brightness: adjustable automatically or manually depending on the lighting.
- ⏱️ Timeout: Screen Burning Time (5, 10, 15 Seconds).
- 👋 Raising the wrist: turning on the screen when turning the hand.
- 🎨 Dial: the choice of static or dynamic design.
Also worth paying attention to is the function "Raise the wrist to turn on the screen." If it is not activated, the screen will only light up when you touch the touch button. To activate this function in the application, you must allow access to the motion sensor.
Why does the screen go out instantly?
Solving Turn On and Black Screen Problems
There are situations where even after charging the Xiaomi Mi Band 4 does not give signs of life, the screen remains black and there is no vibration. This can be caused by a software failure or a sticky controller.
The first solution is forced reboot. Put the bracelet on charge. While it's connected to the cable, tap the touch area and hold your finger for 10 to 15 seconds, which simulates taking the battery out and should restart the system.
If the reboot didn’t help, try changing it. USB-Sometimes the problem is that there's not enough current from the computer port. Try charging the device with a power adapter. 5V 1A.
| Symptoms. | Possible cause | Decision |
|---|---|---|
| Black screen | Deep discharge. | Leave on charging for 30+ minutes |
| No vibration. | Don't disturb mode. | Check the settings in the application |
| The indicator doesn't burn | Oxidation of contacts | Drinking contacts with alcohol |
| The pairing error | Bluetooth conflict | Remove from Bluetooth phone and add again |
⚠️ Warning: If the bracelet heats up during charging, disconnect it immediately from the mains.This may indicate a malfunction of the battery or charge controller.
Updating the firmware for stable operation
After successful inclusion and pairing, the application may suggest updating the software. Ignoring this step is not recommended, as new versions of the firmware correct errors, improve the accuracy of sensors and add new dials.
Updating process (OTA update) is automatically via the app. Make sure the bracelet is over 20% charge and the phone is nearby. Interrupting the upgrade process can cause the device to break, so don't turn off the bracelet until it's finished.
The update takes 5 to 15 minutes, at which time the progress bar will be displayed on the bracelet screen, and after completion, the device will automatically restart and turn on with the new version of the software.
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Before updating your firmware, close all unnecessary apps on your smartphone to ensure a stable Bluetooth connection and avoid data transfer errors.
Basic functions and interface management
Once you've managed to turn on the Mi Band 4 and set it up, you'll need to master the basic controls. The bracelet interface is built on swipes and short taps. The main menu consists of several screens that you can flip up and down.
A swipe to the left or right switches monitoring modes: steps, pulse, weather, alarm. A short tap on the touch button confirms the choice or returns to the home screen. A long tap (about 2 seconds) usually activates a specific function, such as starting a pulse measurement or Do Not Disturb.
- 👆 Swipe up/down: Navigating the menu.
- 👈 Swipe left/right: switching widgets.
- 🔘 Short press: Choice/return.
- ⏳ Long press: Entering mode or activating function.
In the application settings, you can change the order of display of widgets, leaving only the most important data on the home screen, which will speed up access to information and make using the gadget more convenient.
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The correct ordering of widgets in the Mi Fit app significantly speeds up access to the desired functions of the bracelet in everyday life.