Xiaomi Mi Band 4: A Complete Guide to Using a Fitness Bracelet

The Xiaomi Mi Band 4 fitness bracelet remains one of the most popular activity-tracking gadgets, despite the release of new models. Its combination of affordable price, compactness and wide functionality makes it an ideal choice for both beginners and experienced users. However, even such a simple device has nuances in configuration and operation that are not always obvious at first glance.

In this article, we’ll look at all the steps of working with the Mi Band 4, from the first on and sync with your smartphone to the subtle notification settings, training and energy saving, and focus on the hidden features that are not covered in the standard manual, as well as the typical mistakes that users make, if you just unpacked the bracelet or want to unleash its potential 100%, this guide is for you.

1.Preparation for first use: unpacking and charging

Before you start setting up, make sure the bracelet is ready to go. Complete with the Mi Band 4, you will find:

• 📦 The fitness bracelet with the strap itself
• 🔌 Charging cable (without power supply!)
• 📄 Short instructions in several languages (Russian is available)

The first thing you need to do is charge the device. The Mi Band 4 battery has a capacity of 135 mAh, which is enough for up to 20 days of battery life with moderate use.

1. Remove the bracelet capsule from the strap by pulling it towards the screen.
2. Connect the charging cable to USB-port (you can use a charger from a phone or computer).
3. Install the capsule in the charging socket so that the contacts coincide - the charging indicator should light up.

⚠️ Warning: Do not use unoriginal charging cables - this can cause contact damage or slow charging.The full charging cycle takes about 1.5-2 hours.

While the bracelet is charging, download the official Mi Fit app (for the first time). Android/iOS) It's called Zepp Life, or its alternative, which was originally called Amazfit, and it's through these programs that you synchronize data and customize functions:

• 🤖 Mi Fit for Android
• 🍎 Mi Fit for iOS

2. Connecting Mi Band 4 to a smartphone: step-by-step instructions

After charging, you can start pairing the bracelet with your smartphone, which takes no more than 5 minutes, but requires attention to detail.

1. Turn on Bluetooth on your smartphone and make sure the bracelet is close (no further than 10 meters).
2. Launch the Mi Fit app and sign up (or log in to your account) Xiaomi/Mi Account).
3. Click Profile → Add Device → Bracelet → Mi Smart Band 4.
4. Follow the on-screen hints: Confirm the pairing in the smartphone’s Bluetooth menu.
5. Wait for the firmware update (if available) - don't interrupt the process!

If the bracelet is not present, try:

• 🔄 Reboot Mi Band 4 (press the touch button for 10 seconds until you feel the vibration).
• 📱 Restart Bluetooth on your phone.
• 🔌 Make sure the bracelet is charged (the screen should show the battery level).

⚠️ Note: When you first connect, Mi Band 4 may request access to notifications, contacts, and geolocation. Without these permissions, some features (such as call alerts) will not work.

3. Configure the main parameters: screen, notifications, profile

After pairing, you need to customize the bracelet to suit your needs. Most settings are changed through the Mi Fit app, but some options are available on the bracelet itself.

Screen personalization

Mi Band 4 supports interchangeable dials (more than 50 in the official store) to change the design:

1. In Mi Fit, go to Profile → Mi Smart Band 4 → Dials.
2. Choose your favorite option and click Sync.
3. On the bracelet, confirm the installation by touching the screen.

You can also set up:

• 🔄 Automatic change of dial by time of day.
• 📊 Displayed widgets (steps, pulse, weather, etc.).
• 🌓 Do Not Disturb (disables notifications at a predetermined time).

Management of notifications

So the bracelet shows the incoming calls, SMS and messenger alerts:

1. In Mi Fit, go to Profile → Mi Smart Band 4 → Notifications.
2. Turn on the Call Notification and Notifications from the apps switch.
3. Select the apps you want to see alerts from (such as WhatsApp, Telegram, Viber).

⚠️ Note: On iPhone, some of the notification features may not work properly due to iOS restrictions. SMS, If they come through iMessage.

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To quickly turn off notifications on the bracelet, swipe down the screen and select the Do Not Disturb icon.

4. Activity tracking: Steps, sleep, exercise

The main function of the Mi Band 4 is to monitor physical activity, and the bracelet automatically counts steps, distance, calories, and analyzes sleep, and let's figure out how to make the most of these opportunities.

Set up targets and monitoring

By default, the bracelet sets a goal of 10,000 steps per day, but it can be changed:

1. In Mi Fit go to Profile → Mi Smart Band 4 → Goals.

For an accurate calculation of steps:

• 👟 Wear the bracelet on the non-working hand (for right-handed - left, for left-handed - right-handed).
• 📏 Indicate in the profile Mi Fit your height and weight – this affects the calculation of distance and calories.

Training regimes

Mi Band 4 supports 6 sports modes:

• 🏃 Running (outside/treadmill)
• 🚶 Walking
• 🚴 Cycling
• 🏊 Swimming (bracelet waterproof up to 50 meters)
• 🏋️ Gym room
• ⚡ Intensive training (HIIT)

To start training:

1. On the bracelet, swipe to the right to the Training section.
2. Select the desired mode and tap the screen to start.
3. After completion, click on the screen – the data is automatically synced with Mi Fit.

⚠️ Warning: When swimming, do not press the bracelet screen - this can lead to water entering the body.

5. Monitoring of heart rate and sleep

One of the key features of the Mi Band 4 is heart rate measurement and sleep analysis, which helps monitor health and optimize daily routine.

Measurement of pulse

The bracelet is equipped with an optical heart rate sensor to measure the heart rate.

1. On the main screen of the bracelet, swipe left to the Pulse section.
2. Touch the screen and hold your hand still for 15-30 seconds.
3. The result will be displayed on the screen and synchronized with Mi Fit.

For the record:

• 🩺 Wear a bracelet 2-3 cm above your wrist (like a clock).
• 🚫 Avoid measurements immediately after exercise – wait 5-10 minutes.
• 🌡️ Cold hands can distort results – warm them before measurement.

5.2 Sleep analysis

Mi Band 4 automatically tracks sleep phases (deep, light, REM) And to wake up. To do the right thing:

• 🛌️ Wear a bracelet before bed and don’t take off until morning rise.
• 📱 Make sure Bluetooth is on on your smartphone (data synced in the morning).
• ☕ Avoid alcohol and caffeine before bed – they distort the results.

In the Mi Fit app, you will see:

• 📊 Total sleep duration.
• 🌙 Time to fall asleep and wake up.
• 💤 Percentage of deep sleep (normal 15–25%).
• 📈 Graphic heart rate during sleep.

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To improve sleep quality, try to go to bed and get up at the same time, and the bracelet will help track the dynamics and adjust the regimen.

6 Additional functions: alarm clock, phone search, music control

In addition to the basic features, the Mi Band 4 is able to perform a number of useful tasks that make it even more versatile.

Alarm clock and reminders

To set the alarm clock:

1. In Mi Fit, go to Profile → Mi Smart Band 4 → Alarms.
2. Click Add an alarm clock and specify the time, days of the week.
3. Select the alert type: Vibration or Vibration + sound (on the phone).

You can also set up:

• 🕒 A reminder of inactivity – the bracelet vibrates if you sit motionless for more than 1 hour.
• 💊 Reminder to take medication (via Mi Fit app).
• 📅 Calendar Event Alerts (synchronized with Google Calendar).

6.2 Music management and phone search

The bracelet can remotely control the player on the smartphone:

• 🎵 To switch the track, swipe right to the Music section and tap the icons. ▶️/⏸/⏭/⏮.
• 🔍 To find the phone, in the bracelet menu, select Phone Search - the smartphone will start ringing (even in silent mode).

These functions only work when you are actively connected via Bluetooth.

Weather and forecast

The bracelet can show the current weather and forecast for 3 days.

1. In Mi Fit, enable the Weather option in the bracelet settings.
2. Make sure the app has access to geolocation.
3. On the bracelet, swipe left to the weather widget.

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If the weather doesn’t update, check your phone’s geolocation settings and restart the Mi Fit app.

7. charge savings and troubleshooting

Despite the stated autonomy of up to 20 days, the actual life of the Mi Band 4 depends on the intensity of use, let’s analyze how to extend the battery life and solve typical problems.

7.1 How to save charge

To keep the bracelet working longer:

• 🔋 Turn off the constant pulse measurement (in Mi Fit) → Bracelet settings → Pulse frequency select Manual mode).
• 📵 Reduce the number of notifications (leave only important ones).
• 🌙 Turn on the mode Do not disturb at night.
• 📊 Use simple dials (animated ones use more energy).

Typical problems and their solutions

If the bracelet is not working properly, try:

• 🔄 Data not synchronized: restart Mi Fit, turn Bluetooth on/off, reconnect the bracelet.
• 🕒 Wrong time: check your phone’s time zone settings and update your bracelet firmware.
• 🚫 Responds to touch: Clean the screen of moisture, reset the bracelet (press the button for 10 seconds).
• 🔋 Quickly sits down the battery: turn off unnecessary functions (pulse, notifications) and check the bracelet for moisture under the body.

⚠️ Warning: If after falling or getting water, the bracelet stopped turning on, do not try to disassemble it yourself - this will lead to loss of warranty.

8 Hidden features and life hacks for Mi Band 4

Many users are unaware that the Mi Band 4 can do much more than the instructions say.

• 🔐 Phone screen lock: In Mi Fit, enable the Unlock Phone option – the bracelet will unlock the smartphone when approaching (works only on Xiaomi, Redmi and some other Android devices).
• 📸 Camera control: In the wristband menu there is a Camera item - when you press it, the smartphone will take a picture (convenient for selfies or group photos).
• 🔄 Gestures: Turn on the option to raise your hand to turn on the screen – the bracelet will automatically light up when you move your hand.
• 🎮 Games: On the bracelet you can play a simple game "Pong" - swipe to the right to the section More → Games.

Another useful life hack is using the bracelet as a presentation remote.

1. Install the Mi Band Master app on your phone (available on Google Play).
2. In the application settings, enable the presentation management option.
3. When paired with PowerPoint or Google Slides, swipes on the bracelet screen will flip through slides.

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Mi Band 4 supports unofficial firmware (such as Custom Firmware) that adds new dials, widgets, and even support. NFC However, their installation requires experience and may lead to a lack of guarantees.

FAQ: Answers to Frequent Questions