Why you need to install Mi Band 4 correctly
The Xiaomi Mi Band 4 fitness tracker remains one of the most popular trackers even years after its release, thanks to a balance of price, functionality and reliability. However, many users face difficulties already at the first connection stage: the bracelet is not determined by the phone, the Mi Fit application gives errors, and data synchronization is intermittent, the reason most often lies in missed customization steps or incompatibility of software versions.
In this article, we will cover the entire installation process, from downloading an official app to fine-tuning notifications to solving typical problems, focusing on the nuances for Android and iOS, and how to avoid common errors that lead to loss of step data or failures in the display of your pulse. If you just unpacked the bracelet or decided to reconfigure it after resetting, this guide will help you get everything right the first time.
Requirements for telephone and bracelet before installation
Before you start connecting, make sure your device meets the minimum requirements.The Xiaomi Mi Band 4 is compatible with most modern smartphones, but there are important nuances:
- 📱 Operating system: Android 5.0 and higher or iOS 10.0 and higher. on older versions, the Mi Fit application may not install or work correctly.
- 🔋 Bluetooth: version 4.2 or later. The bracelet uses protocol BLE (Low Energy, so older Bluetooth modules may not support stable connection.
- 📲 Free space: at least 100 MB for the application and data cache. With active use of the bracelet, the volume can grow to 300-500 MB.
- 🔒 Permits: Access to geodata, notifications and physical activity (required for tracker operation).
Also check the bracelet charge: if the indicator on the screen shows less than 20%, connect the Mi Band 4 to the charger for 30-60 minutes. The minimum charge level for the first setup is 30%. Otherwise, the process may interrupt and the bracelet will have to be reset.
⚠️ Note: If you are updating the firmware bracelet with Mi Band 3 or older model, pre-untie the old device in the Mi Fit app. Simultaneous connection of two bracelets of the same model can cause a data conflict.
Download and install the Mi Fit application
The official Mi Fit app is the only way to fully customize the Xiaomi Mi Band 4. Alternative programs (such as Notify & Fitness or Mi Band Master) support only basic functions and often run unstable.
- 🤖 For Android: Google Play (official page) Avoid APK from third-party sources – they may contain viruses or outdated versions.
- 🍎 For iOS: App Store. Make sure your iPhone is updated to the latest version of iOS.
After installation, launch the application and perform the initial setup:
- Select a region (Russia or Other region – this does not affect the functionality, but defines the units of measurement).
- Accept the user agreement and allow access to notifications.
- Sign up or sign in via your Xiaomi, Google, Facebook or Apple ID account. Without an account anchor, your steps and sleep data will not be stored in the cloud.
⚠️ Note: If you use an iPhone, go to Settings after installing Mi Fit → Bluetooth and manually connect the Mi Band 4 device. On Android, it happens automatically.
☑️ Preparation for the connection of Mi Band 4
Step-by-step instructions for connecting the bracelet to the phone
When the app is installed and the bracelet is charged, you can start synchronizing. Follow the instructions carefully - skipping any step can lead to connection errors.
Step 1: Activate the bracelet
Click the touch button below the Mi Band 4 screen to turn it on. The Mi logo will appear on the screen, followed by the main menu.
- Check if it sits tightly in the charger (the contacts should touch the metal pads).
- Hold the button pressed for 10-15 seconds for forced reboot.
Step 2: Adding the device to Mi Fit
In the annex:
- Click on the Profile icon (in the lower right corner).
- Select Add Device → Bracelet → Mi Smart Band 4
- Confirm permission to access geodata and Bluetooth.
Step 3: Synchronization over Bluetooth
The phone will start looking for the bracelet. When the 4-digit code appears on the Mi Band 4 screen, compare it to the code in the app. If they match, click Confirm on your phone and tap the button on the bracelet.
The synchronization process will take 1-3 minutes.
- 📵 Don't close the Mi Fit app.
- 🔋 Do not turn off the bracelet from charging (if it is connected).
- 📶 Make sure your phone is connected to the internet (required to download firmware).
What to do if the bracelet is not in place?
Set up the main parameters after connecting
After successful synchronization, Mi Fit will offer you to adjust the basic functions of the bracelet.
1. User profile
Go to Profile → My Devices → Mi Smart Band 4 → User Profile and specify:
- 👤 Gender (affects calorie calculation).
- 📏 Height and weight (for accurate steps and energy expenditure).
- 🎯 Steps target (recommended value of 8,000–10,000 per day).
Notifications
To make the bracelet vibrate when incoming calls and messages:
- In Mi Fit, select Call Notifications and Notifications from apps.
- Allow notifications to be accessed in your phone settings: On Android: Settings → Applications → Mi Fit → Notifications → Allow. On iOS: Settings → Notifications → Mi Fit → Allow notifications.
3. Display of time and date
If the bracelet screen does not show the current time:
- 🕒 In Mi Fit, go to the Display. → Time format and choose 24-hour or 12-hour.
- 🔄 Press Sync Time Manually.
| Parameter | Recommended value | Explanation |
|---|---|---|
| Autodefinition of sleep | Included. | The bracelet itself records the phases of sleep if you sleep from 23:00 to 8:00. |
| Raising your hand for lighting | Included. | The screen lights up when the hand moves (saves charge). |
| Vibration in inactivity | 1 hour | It reminds me to get up and stretch with a long sitting. |
| Weather display | Included. | Requires access to geodata and the Internet on the phone. |
💡
If the bracelet discharges quickly, turn off the Constant pulse in the settings. Measuring your heart rate every 5 minutes reduces your work time from 20 to 7-10 days.
Updating the bracelet firmware
After the first connection, Mi Fit will offer to update the firmware Mi Band 4. This is a must-have step - new versions fix synchronization errors, add dials and improve the accuracy of sensors.
- Open the Mi Fit and select your bracelet.
- Go to the device settings → Update the firmware.
- If a new version is available, click Update.
It's going to take 5 to 15 minutes.
- 🔋 The charge of the bracelet should be more than 50%.
- 📶 The phone must be connected to Wi-Fi (update via mobile Internet may be interrupted).
- 🚫 Do not close the app or turn off Bluetooth.
⚠️ Warning: If the update is stuck during the Prepare for Update phase, restart the bracelet (hold the 10 seconds button) and try again. If the problem is repeated, remove the bracelet from Mi Fit and reconnect.
💡
Updating the firmware through Mi Fit is the only official way, and handheld firmware from the Internet can turn the bracelet into a brick and strip the warranty.
Solving common problems in installation
Even with the exact following of the instructions, there may be failures. Let's consider the typical errors and how to fix them:
1.The bracelet does not connect to the phone
Causes and solutions:
- 🔄 Bluetooth is not stable: restart your phone and bracelet, then try again.
- 📱 Conflict with other devices: disconnect from the phone other gadgets (earphones, smart watches).
- 🔋 Low Bracelet Charge: Charge up to 50% and Reconnect.
- 🗑️ App cache: Clear the Mi Fit cache in phone settings.
2.The application does not see the bracelet after the update.
If after the firmware update Mi Band 4 stopped showing in Mi Fit:
- Remove the bracelet from the list of devices in the app.
- Reboot your phone and bracelet.
- Reconnect the bracelet as you did when you first set it up.
3. no synchronized data on steps or sleep
The problem is often related to:
- 🕒 Time difference: sync time on your phone and bracelet manually.
- 🌐 Internet: Data is uploaded to the cloud only when connected to the network.
- 🔄 Application failure: reinstall Mi Fit.
How to reset Mi Band 4 to factory settings?
Additional settings for advanced users
Once you have set up the basics, you can optimize the Mi Band 4 to suit your needs, and here are some useful features that many people don't know about:
Installation of custom dials
Standard dials in Mi Fit are limited, but third-party designs can be downloaded:
- Download the Amazfit Watchfaces app (for Android) or Watch Face for Mi Band (for iOS).
- Select your favorite dial and click Install.
- In Mi Fit sync the bracelet – a new dial will appear in the list.
Setting alarm clocks
The bracelet supports up to 10 alarm clocks, including smart ones (taking into account the phases of sleep):
- 🛏️ At Mi Fit, go to Alarms. → Add an alarm clock.
- 🔔 Choose the time, days of the week and the type of vibration (Short, Long, or Increasing).
- 🌙 For a smart alarm, turn on the option to wake up in the light phase of sleep (30 minutes before the set time).
3. Control of music from the bracelet
Mi Band 4 can control the player on the phone:
- 🎵 Turn on the music on your phone.
- 🔄 On the bracelet, scroll to the control screen (note icon).
- 👆👇 Use the button to pause/play and switch tracks.
⚠️ Note: Music management functions only work with standard players (Google Play Music, Apple Music, Spotify). VK Music or Yandex Music will need to enable notifications in the settings of these applications.