The Xiaomi Mi Band 4 fitness bracelet remains one of the most popular wearables due to its combination of affordable price and wide functionality. However, beginners often have questions about how to turn on the bracelet for the first time, what to do if it does not respond to presses, and how to avoid typical setup errors. This article will help you understand everything from charging to syncing with the Mi Fit application.
We will look at each step in detail: check the configuration, charging process (including time and indicators), the first turn on using the touch button, as well as setting up via a smartphone on Android or iOS. Particular attention will be paid to solving problems that may arise at the initial stage - for example, if the bracelet is not detected by the phone or quickly discharged. All instructions are relevant for firmware 2026 and are compatible with the latest versions of the application.
Verification of the completeness and preparation for the first inclusion
Before you turn on the Mi Band 4, make sure that the box has everything you need.
- π¦ Xiaomi Mi Band 4 fitness bracelet (with battery installed).
- π Charging cable with magnetic connector (type) USB-A).
- π Short instructions in several languages (including Russian).
- π Band (usually black, but may vary depending on version).
If the charger is missing or the bracelet appears damaged (for example, scratches or cracks are visible on the screen), do not turn on the device - contact the seller for a replacement. Also check that there is a heart rate sensor (green LEDs) and contacts for charging (two metal pins) on the back of the bracelet.
β οΈ Warning: Some vendors may replace the original cable with uncertified cables, which can damage the bracelet battery or even cause fire. The original cable features the Xiaomi logo and a magnetic mount with a clear click.
Before first inclusion it is recommended:
- π± Install the Mi Fit app on your smartphone (available for Android 5.0)+ iOS 10.0+).
- π Check the battery charge of the bracelet (if it is discharged, charge at least up to 20%).
- π Connect your phone to the Internet (to download the bracelet firmware).
Charging the bracelet before first switching on
The Xiaomi Mi Band 4 comes with a partially charged battery, but for stable operation, it is recommended to charge it to 100% before first use.
- Cable connection: Connect the magnetic connector to the back of the bracelet, and the correct connection is accompanied by a slight click and the charging indicator (red or green LED) is sunbathed.
- Power supply: Use the power adapter with output 5V/1A (For example, a smartphone charger. Don't connect to the USB-Computer port β this can slow down charging.
- Charging time: The full cycle takes about 1.5-2 hours. If the bracelet is completely discharged, the indicator may not burn for the first 10-15 minutes.
| Indicator | Colour | Meaning |
|---|---|---|
| Charging. | Red. | The battery is charged (less than 80%). |
| Charging. | Green. | The battery is over 80% charged. |
| No indication. | β | The cable is not connected or the bracelet is fully charged. |
| Blinking red | Red. | Charging error (check cable or contacts) |
If the indicator does not light up:
- π Check the density of the magnetic connector (sometimes a light press helps).
- π Try another one. USB-power-adapter.
- π± Make sure the contacts on the bracelet are not contaminated (wipe them with a dry wipe).
π‘
If the bracelet does not charge for more than 30 minutes, try holding the button on the screen for 10-15 seconds for a forced reboot.
3. First Include: How to Activate the Bracelet
After charging, you can start turning on the Mi Band 4. The process is different from newer models (e.g. Mi Band). 6/7), where the touch screen is used. 4 There is a physical button under the screen that is responsible for turning on and navigating.
Step-by-step:
- Press and hold the physical button under the screen for 3-5 seconds until the Mi logo appears.
- Release the button. The screen should display the welcome text in Chinese (this is normal - you will change the language later).
- Press the button again to go to the language selection menu.
If the bracelet does not respond to pressing:
- π Make sure it is charged (the indicator should be green when the cable is connected).
- π Try rebooting the bracelet: Press the button for 15-20 seconds until the screen goes out and turns on again.
- π± Check if the bracelet is child locking (if the screen flashes and does not respond, it may be a child lock).
Charge the bracelet to 100%|Install the Mi Fit application|Connect your phone to Wi-Fi|Press and hold the 5-second button-->
After successful inclusion on the screen will appear QR-Do not close this window, you'll need it to communicate with your phone. QR-code is not displayed, make sure the bracelet has not been previously tied to another device (in which case a reset will be required).
4.Pairing with phone via Mi Fit
For full operation of the Mi Band 4 you need to connect it to the smartphone through the official application Mi Fit. the pairing process may differ depending on the operating system of the phone, but the overall scheme is the same.
Instructions for Android:
- Open the Mi Fit app and click Profile β Add the device.
- Choose a bracelet. β Mi Smart Band 4.
- Allow the app to access Bluetooth, notifications and geodata (this is mandatory for proper operation).
- Put the phone camera on QR-code from the bracelet screen or enter the number manually.
- Confirm the pairing on the bracelet (click the button when the request appears).
Instructions for iOS (iPhone):
- In Mi Fit, go to the Devices section β Add.
- Select Mi Band 4 from the list.
- In your iPhone settings, turn on Bluetooth and allow notifications for Mi Fit.
- Scanner. QR-code may not work β in this case, enter the bracelet number manually.
- Wait until the synchronization is complete (it can take up to 5 minutes).
If the bracelet doesn't find the phone:
- π± Reboot Bluetooth on your smartphone (turn off and turn on again).
- π Remove the bracelet from the list of conjugate devices in the phone settings and repeat the process.
- πΆ Make sure your phone is on Wi-Fi or mobile internet (to download firmware).
β οΈ Attention: On iPhone with iOS 16+ You may need additional permission to track activity in your privacy settings, without which the bracelet will not synchronize your steps and sleep data.
What if Mi Fit canβt see the bracelet?
5. Setup of the bracelet after pairing
After successfully connecting to the phone, you need to configure the basic parameters of the Mi Band 4. This includes selecting the language, setting notifications, setting alarms and activating additional functions.
Basic settings in Mi Fit:
- π Language: Go to the Device Profile β Bracelet settings β Language and select Russian.
- β° Time: Synced automatically, but if the mismatch check the time zone in the phone settings.
- π Notifications: Enable alerts for calls, SMS and applications (for example, WhatsApp, Telegram).
- π Activity Tracking: Activate automatic recognition of walking, running and sleeping.
On the bracelet itself, you can configure:
- π¦ Screenlighting: In the bracelet menu, select Settings β Backlighting and set the auto-out time (from 5 to 30 seconds).
- π Battery savings: Turn off unnecessary features like a constant pulse or weather if they discharge the bracelet quickly.
- π Screen lock: Enable in Settings β Blocking to avoid accidental pressing.
For convenience, you can set up quick gestures:
- π Raising your hand to turn on the screen (activated in Mi Fit) β Bracelet settings β Raising your hand).
- π Turning the bracelet to turn off the alarm clock.
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After the first setup, synchronize the data manually (pull the bracelet screen down), which will speed up the firmware update and load the dials.
6. Updating firmware and installing dials
Xiaomi regularly releases firmware updates for the Mi Band 4, which improve stability and add new features. After the first turn on, it is recommended to update the bracelet to the latest version.
How to update firmware:
- Open Mi Fit and go to Device Profile β Firmware Update.
- If a new version is available, click Update.
- Wait for the file to load (weight ~5-10 MB).
- Confirm the installation on the bracelet (click the button when the request appears).
- Do not turn off Bluetooth or remove the bracelet from the range of the phone until the end of the process (~5-10 minutes).
If the update is hanging:
- π Reset the bracelet (hold the button for 20 seconds).
- π± Reinstall the Mi Fit app.
- π Check your internet connection (update downloaded via phone).
Installation of custom dials:
By default, the Mi Band 4 has 5 standard dials to add new ones:
- In Mi Fit, go to the Device Profile β Dials.
- Choose the option you like and click Install.
- Confirm synchronization on the bracelet.
Unofficial dials (such as those with themes from Marvel or Star Wars) will require third-party apps like Amazfit Watchfaces or BandFaces. However, note that this can cause bracelet malfunctions.
Typical problems and their solutions
Even when you turn on correctly, Mi Band 4 users can have typical problems, and let's look at the most common ones and how to fix them.
| Problem. | Possible cause | Decision |
|---|---|---|
| The bracelet is off. | Battery discharged | Charge the bracelet for at least 30 minutes, then hold the 10 second button. |
| Data is not synchronized | Failure in Mi Fit | Reinstall the app and re-add the device. |
| It's discharged fast. | Active pulse tracking | Turn off constant heart rate monitoring in settings. |
| No notifications coming. | Phone lockdown | Check the permissions for Mi Fit in the notification settings. |
| The screen doesn't respond to pressing. | Firmware getting stuck | Reset the bracelet (hold the button for 20 seconds). |
If the bracelet has stopped synchronizing after updating the firmware:
- π± Remove it from Mi Fit and add it again.
- π Roll back the firmware through third-party utilities (such as Mi Band 4 Tools) if the update has caused crashes.
β οΈ Warning: If the bracelet starts to warm up or discharge quickly after the upgrade, this may indicate battery damage.In this case, stop using immediately and contact the service center.
8 Additional Advice on the Use of
Xiaomi Mi Band 4 supports many features that users often donβt know about. Here are some useful life hacks:
- π΅ Music control: From the bracelet you can switch tracks and adjust the volume on the phone (includes in Mi Fit) β Managing music).
- π Phone search: If your phone is lost, select Settings from the bracelet menu β Find the phone β the smartphone will begin to vibrate.
- π Swimming mode: Before swimming, activate the mode in Settings β Swimming mode to avoid accidental pressing.
- π Extending the time: Turn off automatic activity detection and reduce the brightness of the screen to 50%.
For advanced users:
- π οΈ With Notify & Fitness for Mi Band, you can set up notifications from any apps, even those that are not supported by Mi Fit.
- π Export sleep and activity data to Google Fit or Apple Health for analysis.
If you plan to use a bracelet for training, it is recommended to:
- π Calibrate the pedometer: walk 100 steps, then in Mi Fit specify the real amount for fine-tuning.
- π Adjust the pulse zones manually (in Profile) β Heart rate for more accurate monitoring of loads.
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For maximum accuracy of pulse measurement, wear a bracelet 2-3 cm above the wrist and tighten the strap so that the sensor fits tightly to the skin.