How to set up Xiaomi Mi Smart Band 4: a detailed guide from connectivity to hidden features

Why you should set up Mi Band 4 and what it can do

Fitness bracelet Xiaomi Mi Smart Band 4 It remains one of the most popular gadgets for tracking activity even years after its release. 20 bright days AMOLED-It's a screen and a lot of functionality at a very low price, but many users use only one thing. 20-30% capabilities of the device, limited to basic functions such as pedometer and time.

The Mi Band 4 is not just a smartphone sync, but a customization that allows you to turn the bracelet into a personal trainer (with automatic recognition of 6 sports), a smart alarm clock (with a light sleep phase), a music control remote, and even a stress control tool. In this article, we will analyze all the steps from the first connection to the fine-tuning, which even the official instructions are silent about.

Important: Mi Band 4 works with Mi Fit (an outdated version) or Zepp Life (a new name, valid from 2023), instructions will work for both options, but we will point out the key differences, NFC) Only available in the Chinese version of the bracelet.

Preparation for setting up: what to do before connecting

Before you start syncing, follow a few mandatory steps, which will eliminate the typical problems, such as unstable connection or lack of notifications.

• 📱 Update your smartphone firmware. On Android, check the version in Settings. → The phone. → Update. iOS is relevant to iOS 12.0+. Older versions may not support BLE (Bluetooth Low Energy).
• 🔋 Charge the bracelet. Minimum charge level to set up is 20%, but better bring it to 50%. Charge indicator - red light bulb on the back of the module.
• 🌐 Check the region on Google Play/App The Zepp Life app may not be available in some countries (e.g. Crimea). VPN or APK-file.
• 🛡️ Turn off power saving for Bluetooth. On Android: Settings → Battery → Optimizing the battery → All applications → Zepp Life → Not optimize.

A critical feature of the Mi Band 4 is that the bracelet only supports one active connection.If you're trying to attach it to a new phone, first remove it from the list of devices in your old smartphone (on the Zepp Life app). → Device profile → Untie).

How to connect Mi Band 4 to your phone

The synchronization process takes no more than 5 minutes, but requires precise steps to follow, and consider both options for Android and iOS.

Installation of the annex

Download Zepp Life (formerly Mi Fit) from official sources:

• 🤖 Android: Google Play or APKMirror (for regions without support).
• 🍎 iOS: App Store.

After installation, register through Xiaomi Account, Google or Apple ID. Without an account, some features (such as cloud backup) will not be available.

Addition of a device

Open Zepp Life and do:

1. Click Profile → Add the device.
2. Choose a bracelet. → Mi Smart Band 4.
3. Allow access to notifications, geolocation and contacts (necessary for proper operation).
4. Activate Bluetooth on your phone and wait for the bracelet to be detected.

If the bracelet is not present:

• 🔄 Reboot the Mi Band 4 (press the touch button for 10 seconds).
• 📱 Restart Bluetooth on your phone.
• 🚫 Make sure the bracelet is not connected to another device.

3. Set up the main parameters

After successful connection, the application will offer:

• 👤 Selecting a hand (left/right) - affects the accuracy of the pedometer.
• ⏱️ Set the time format (12/24 hour).
• 📏 Enter height and weight – critical for calorie and sleep calculation.
• 🎯 Step-by-step goal (8000 default, but can be changed).

If you use the Chinese version of the bracelet with NFC, After the connection, an additional option will appear: Set up a transport card. This function is not relevant for Russia, but in some countries (for example, China, Hong Kong) you can pay for the fare.

Setting up notifications: how to receive SMS And bracelet calls.

One of the key features of the Mi Band 4 is to display notifications from the phone, but only the basic alerts are turned on by default, and let's figure out how to set up filtering, vibration and text display.

Appendix approvals

On Android:

1. Go to Settings. → Annexes → Zepp Life → Notifications.
2. Turn on the Allow Notifications switch.
3. Activate Show notifications and sound (optional).

On iOS:

1. Open the Settings. → Notifications → Zepp Life.
2. Enable notifications and icons on the lock screen.

2.Setting up in the Zepp Life app

In the bracelet menu (Profile) → Mi Smart Band 4 → Notifications):

• 📩 Incoming calls – turn on to see caller numbers.
• 💬 SMS — displays text messages (up to 120 characters).
• 🔔 Applications – Select which programs to show notifications (WhatsApp, Telegram, etc.).
• 🔕 Silent mode – allows you to turn off vibration at a certain time.

Hidden Opportunity: If you enable Display the contents of notifications, the bracelet screen will display the full text of messages (up to the previous one). 120 This is convenient for quick reading, but reduces battery life on the 10-15%.

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To ensure notifications arrive without delay, add Zepp Life to the “Do Not Optimize” list in the Android battery settings.

3. Notification problems and solutions

Screen personalization: dials, brightness and gestures

The Mi Band 4 supports interchangeable dials, brightness adjustments, and even control gestures, and let's figure out how to make the screen as comfortable as possible.

Installation of dials

By default, 5 standard dials are available, but you can download additional:

1. Open Profile. → Mi Band 4 → Dials.
2. Choose a category (Sports, Classics, Minimalism, etc.).
3. Click on your favorite design and confirm synchronization.

To download custom dials, use third-party services like Amazfit Watch Faces (supports Mi Band 4), and upload files via.bin files to the Mi Fit folder on your phone.

2. setting brightness and backlight time

By default, the screen goes out after 5 seconds, but this can be changed:

• 🌞 Brightness: Profile → Mi Band 4 → Display. → Brightness (5 levels).
• ⏱️ Backlight time: 5 to 30 seconds.
• 🔄 Turn on if you wear a bracelet on your right hand.

3. Gestures and sensory functions

Mi Band 4 supports 3 gestures:

• 👆 Raising your hand – turning on the screen (only works when wearing).
• 🔄 Double touch – move to the next screen (on the menu).
• 🛑 Pressing the button – return to the main menu.

To disable unnecessary gestures (for example, if the screen is accidentally activated), go to Profile. → Mi Band 4 → Gestures.

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Use dials with black background (AMOLED-screen – this reduces the battery consumption 20-30%!

Fitness functions: pedometer, pulse, sleep and training

Mi Band 4 is not just a smartwatch, it's a full-fledged fitness tracker, but by default, many of the features are disabled or not working properly, and let's figure out how to set them up for accurate data.

1. Calibration of the pedometer

The accuracy of the pedometer depends on:

• 👟 Right hand (less active hand error up to 30%).
• 📏 Step lengths (configure in Profile) → Mi Band 4 → Steps. → Length of step).
• 🚶 Type of activity (manually select the "Walking" / "Running" mode for accurate calculation).

Accuracy test: Take 100 steps and compare the bracelet data to the actual number. If the difference is greater than 10%, calibrate the step length.

2. Set up heart rate monitoring

The pulsemeter in Mi Band 4 works on the principle of PPG (photoplethysmography, but its accuracy depends on wearing:

• 🩺 Measurement frequency: select each 1/5/10/30 minutes or manually (in profile) → Mi Band 4 → Heart rate).
• ⚠️ Warnings: Turn on alerts when you exceed a threshold (e.g. 120 beats/min).
• 🛌 Night mode: Turn off automatic sleep measurement if it interferes.

⚠️ Attention, the Mi Band 4 pulsemeter data is not for medical diagnosis. ±10 beats/min when driving. Use chest sensors (e.g. Polar) for precise monitoring. H10).

3. Sleep tracking and phase alarm

The UmSleep feature in Mi Band 4 analyzes deep, light and light. REM-To do the right thing:

1. Wear the bracelet 30 minutes before bedtime (for calibration).
2. Turn on sleep tracking in the settings.
3. Set a smart alarm (waking up in the light sleep phase 30 minutes before the time).

To improve accuracy:

• 🛏️ Sleep on your side – the sensor better captures movements.
• 🚫 Do not wear a bracelet too tight (must pass your finger).
• 📵 Turn off "Do Not Disturb" on your phone (may block sync).

Sport modes and automatic recognition

Mi Band 4 supports 6 automatic modes (walking, running, cycling, simulator, swimming, ellipse) and 5 manual modes (yoga, gym training, etc.) to activate:

1. Go to Profile. → Mi Band 4 → Training.
2. Select sports to display in the bracelet menu.
3. Enable Activity Auto-Detection (works only for walking/running).

Important: for swimming bracelet has protection of 5 ATM, But after contact with water, wipe the charging connector to avoid corrosion.

Hidden features and life hacks for Mi Band 4

Even experienced users are unaware of some of the features of the Mi Band 4, and let’s take a look at undocumented chips that will make using the bracelet even more convenient.

1. Music and camera control

The bracelet can work as a player remote or a camera trigger:

• 🎵 Music: in the bracelet menu, select Music → swipe right/left toggle tracks, click on the screen for pause.
• 📸 Camera: In profile → Mi Band 4 → More. → Control the camera, turn on the function. Now double-pressing the bracelet screen takes a picture.

2. Phone search and screen unlocking

Two useful functions for forgetful people:

• 🔍 Phone search: in the menu bracelet select More → Find the phone – the smartphone will begin to vibrate (even in silent mode).
• 🔓 Unlocking the screen: in Profile → Mi Band 4 → Unlock the screen, turn on the option. Now the bracelet unlocks the phone as it approaches (requires Android 5.0)+).

3. Battery savings: how to extend autonomy

Default Mi Band 4 work-in 15-20 days, but with active use (notification, pulsemeter) the time is reduced to 7-10 To extend autonomy:

• ⚡ Turn off constant heart rate monitoring (leave only manual mode).
• 🌙 Set a dark dial (AMOLED-The screen consumes less energy on a black background).
• 🔔 Reduce vibration to a minimum level.
• 📵 Turn off activity autodetermination if you don’t exercise regularly.

Critical nuance: if the bracelet is discharged "to zero", you will need to hold the button for re-energization 15-20 seconds after you've connected to the charger. 5 It won't work for a second!

4.Reset to factory settings

If the bracelet starts to glitches (does not synchronize, does not respond to touch), perform a hard reset:

1. Disconnect the bracelet from your phone in the Zepp Life app.
2. On the bracelet itself, go to Settings. → More. → Reset.
3. Confirm the action by pressing the screen.
4. After restarting, repeat synchronization.

⚠️ Attention! The reset removes all data from the bracelet, including dial and workout settings. Backups are stored only in the Zepp Life cloud (if sync is enabled).

Problem Solving: Frequent Errors and Corrections

Even a device as robust as the Mi Band 4 has a failure. TOP-5 problems and ways of eliminating them.

If the problem is not solved, try:

1. Update the bracelet firmware through Profile → Mi Band 4 → Update of the PO.
2. Reinstall the Zepp Life app.
3. Contact Xiaomi Support (attach error log from Profile) → Revocation).

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90% of Mi Band 4 problems are solved by rebooting the bracelet (pressing the button for 10 seconds) and cleaning the app cache.

FAQ: Answers to Frequent Questions