How to set up a fitness bracelet Xiaomi Mi Band 3: full instructions in Russian

The Xiaomi Mi Band 3 fitness bracelet remains one of the most popular activity-tracking gadgets, despite the release of new models, its main advantages are ease of use, long battery life (up to 20 days), and wide functionality for an affordable price. However, many users face difficulties when setting up the bracelet first: it does not sync with a smartphone, does not display notifications or discharges quickly. In this article, you will find a step-by-step instruction in Russian, taking into account all the nuances from connecting to the Mi Fit application to fine-tuning training and sleep.

The Mi Band 3 is a touchscreen feature. OLED-It's a single mechanical button screen, which makes it intuitive, but it needs to be adapted, and we're going to figure out how to tie the bracelet to the phone, adjust the timing, turn on heart rate monitoring, and even activate hidden functions through the engineering menu. You will also learn why the bracelet can vibrate for no reason and how to fix typical synchronization errors.

Preparation for the first setup: what to do before turning on the bracelet

Before you start setting up the Xiaomi Mi Band 3, make sure you have everything you need:

• 📱 Smartphone on Android 4.4+ or iOS 9.0+ (The bracelet does not support older versions)
• 🔋 Charger (includes a special cable with a USB-A)
• 🌐 Stable Internet connection (for downloading applications and updates)
• 📌 Xiaomi account (you can create directly in the Mi Fit app)

The first step is to charge the bracelet, and even though it may be partially charged in the box, it's better to bring it to 100 percent.

1. Remove the bracelet capsule from the strap by pulling it towards the screen.
2. Connect to the charging cable (the contacts must match the metal pads on the back).
3. Connect the cable to USB-computer port or power adapter (charging current — 5V/1And).

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If the bracelet is not charging, check the cleanliness of the contacts - often dust or sweat blocks the connection.

While the bracelet is charging, install the Mi Fit app:

• 🤖 For Android: [download from Google Play](https://play.google.com/store/apps/details?id=com.xiaomi.hm.health)
• 🍎 For iOS: [download from the App Store](https://apps.apple.com/ru/app/mi-fit/id962216727)

⚠️ Note: On the iPhone, the bracelet will work with restrictions — for example, you can not answer calls with a gesture or use some widgets.

Synchronization Xiaomi Mi Band 3 with the phone: step-by-step instructions

When the bracelet is charged and the Mi Fit app is installed, start syncing:

1. Turn on Bluetooth on your smartphone and allow Mi Fit access to geodata (required for correct operation!).

If the bracelet is not present, try:

• 🔄 Reboot Bluetooth on your phone.
• 🔋 Remove the bracelet capsule from the strap and insert it back (sometimes resetting the connection helps).
• 📱 Remove the Mi Fit app cache in your phone settings.

The bracelet is displayed in the list of devices in Mi Fit|

On the screen of the bracelet appeared the current time|

In the application, data on steps and pulse are available|

Notifications from the phone are duplicated on the bracelet (if enabled)

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After successful connection, update the bracelet firmware (if an update is available).

1. In Mi Fit, go to Profile → Mi Smart Band 3 → Firmware Update.
2. Confirm the download and wait until it is completed (don’t turn off Bluetooth!).
3. The bracelet will reset automatically.

⚠️ Warning: If the connection is interrupted during the firmware update, the bracelet may stop responding to touch, in which case the factory reset will help (press the button on the bracelet for 10 seconds).

Set up the main parameters: time, notifications, alarm clocks

Now that the bracelet is plugged in, we'll customize it to suit our needs.

1. Setting the time and date

The bracelet automatically syncs the time with the phone, but if it gets knocked down:

1. In Mi Fit go to Profile → Mi Smart Band 3 → Additional settings → Time and date.
2. Activate the autosynchronization option.
3. If the time is still incorrect, check the time zone in the phone settings.

2. Notification management

To the bracelet showed messages from messengers and calls:

• 📱 In Mi Fit, select Notifications. → Management of notifications.
• 🔽 Turn on the switch Show notifications.
• 📌 Select the apps you want to see notifications from (for example, WhatsApp, Telegram, VKontakte).

On the iPhone, additional settings are required for notifications to work:

1. Go to the iPhone Settings → Bluetooth.
2. Find Mi Band 3 in the list of devices and click ⓘ near.
3. Activate the option to display notifications.

Just calls.|

Calls and SMS|

All messengers|

Calls, SMS calendar|

Nothing set up.

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3. Alarm clocks and reminders

Mi Band 3 supports up to 10 alarm clocks and inactivity reminders:

• ⏰ To add an alarm clock: Profile → Mi Smart Band 3 → Alarm clocks → Add an alarm clock.
• 🕒 Specify the time, days of the week and vibration (you can choose from 3 intensity options).
• 🚶 For reminders of inaction: Profile → Mi Smart Band 3 → Reminder of inactivity and set an interval (e.g. every 60 minutes).

Activity monitoring: pedometer, exercise and heart rate

Xiaomi Mi Band 3 tracks steps, distance, calories and heart rate. To be accurate, you need to adjust the data correctly:

1. Calibration of the pedometer

By default, the bracelet uses a standard step length, but it can be adjusted:

1. In Mi Fit go to Profile → Mi Smart Band 3 → Steps. → Length of step.
2. Specify your height – the application will automatically calculate the length of the step.
3. For greater accuracy, walk 10 steps and measure the distance, then enter it manually.

2. Adjustment of training

The bracelet supports 5 training regimes:

• 🏃 Running outside
• 🚶 Walking
• 🚴 Cycling
• 🏊 Swimming (waterproof bracelet up to 50 meters)
• 🏋️ Gym room

To start training:

1. On the bracelet, swipe up the screen and select Training.
2. Select the activity type and click on the screen to start.
3. When completed, press the button on the bracelet – the data is automatically synchronized with Mi Fit.

3. Pulse measurement

Mi Band 3 is equipped with an optical heart rate sensor, but its work has nuances:

• ❤️ For manual measurement: on the bracelet, select Pulse and wait for the result (takes a note). ~30 seconds).
• 🔄 For automatic monitoring: In Mi Fit, activate Continuous Heart Rate Monitoring (discharges the battery faster!).
• ⚠️ The sensor can fail with strong movement or loose attachment of the bracelet to the wrist.

⚠️ Note: The pulse data on the Mi Band 3 are informative and do not replace medical devices, and cannot be relied on for arrhythmia or other heart conditions.

Sleep tracking and tips to improve sleep quality

One of the most useful features of the Xiaomi Mi Band 3 is sleep monitoring. The bracelet automatically detects the phases of deep, light and light. REM-It also records the awakenings, so that the data is accurate:

• 🛌 Wear a bracelet on a non-working hand (usually left for right-handers) – so less movement in your sleep.
• 🔋 Charge the bracelet before bedtime (if the charge is below 20%, monitoring may be interrupted).
• 📵 Turn off notifications at night so the vibration doesn’t wake you up.

For a look at sleep statistics:

1. In Mi Fit, go to the Sleep section.
2. Select the desired date – you will see a graph of sleep phases and an overall quality score.
3. At the bottom of the screen, there will be recommendations for improving sleep (e.g. going to bed earlier).

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For accurate sleep tracking, the bracelet should be worn 30 minutes before falling asleep and removed no earlier than 5 minutes after waking up.

If the bracelet does not record sleep:

• 🔄 Reboot it (press the button for 5 seconds).
• 📱 Update the Mi Fit app to the latest version.
• 🛠️ In the bracelet settings, activate Automatic Sleep Recognition.

Battery Optimization: How to Extend Bracelet to 20 Days

The manufacturer claims that the Mi Band 3 lasts up to 20 days on a single charge, but in practice this time depends on the settings.

Additional tips for saving charge:

• 🌙 Use dark wallpaper on the screen (OLED-display consumes less energy).
• 🔕 Turn off inactivity reminders if they are not needed.
• 📴 Reduce screen lighting time to 5 seconds.

If the bracelet discharges too quickly (less than 7 days), check:

• 🔋 Battery condition (possibly worn out – normal lifespan) ~2-3 year-end).
• 📲 Background updates in Mi Fit (disable automatic update check).
• 🌡️ Ambient temperature (lower in frost) -10°C battery goes down faster).

Hidden functions and engineering menu: advanced features

Few people know, but the Xiaomi Mi Band 3 has hidden settings, accessible through the engineering menu.

• 🔧 Set up screen sensitivity.
• 📡 Check the Bluetooth signal.
• 🔋 View the exact battery level (in percent, not an icon).
• 🛠️ Reset the steps statistics manually.

To open the engineering menu:

1. On the bracelet, go to the other → Settings → The bracelet.
2. Click on the firmware version 5 times in a row (a new Engineer section should appear).
3. In the engineering menu, select the desired parameter (control - swipes up / down).

Another useful feature is unlocking your phone with a bracelet (only works on Android):

1. In Mi Fit go to Profile → Mi Smart Band 3 → Unlocking the phone.
2. Follow the setup instructions (you will need to turn on Smart Lock on your phone).
3. Now that the phone is locked and the bracelet is connected, the screen will unlock automatically.

⚠️ Note: Unlocking doesn’t work on all smartphones; it’s activated without problems on Xiaomi devices, and Samsung or Huawei may need additional Smart Lock setup.

FAQ: answers to frequent questions about Xiaomi Mi Band 3