Connecting Xiaomi Mi Band 3 to a smartphone: full instructions with pictures and tips

The Xiaomi Mi Band 3 fitness bracelet remains one of the most popular activity tracking gadgets even years after its release, and its simplicity, reliability and affordable price appeal to users, but the first launch often raises questions about how to properly sync the device with the phone, what apps to use and what to do if the connection is not established.

In this article, we will look at all the steps of connection, from smartphone preparation to notification settings, and also look at typical errors and how to fix them. This guide is relevant for all firmware versions of 2026, including the updated Mi Fit and Zepp Life apps. If you just unpacked the bracelet or decided to reconfigure it after resetting, this guide will help avoid common problems.

Preparation for connection: what to do before pairing

Before you start syncing, make sure your smartphone and bracelet are ready to go, and neglecting these steps often leads to failures in the connection process.

First, check the compatibility of the devices:

• 📱 Mi Band 3 works with Android 4.4+ iOS 9.0+. On older versions of the OS, the Mi Fit application may not install or function with errors.
• 🔋 The charge level of the bracelet should be at least 20%. If the indicator flashes red, connect the device to charge for 30-60 minutes.
• 📶 The smartphone should be enabled Bluetooth 4.0 or later (check in the settings). It is also recommended to turn off power saving mode for Bluetooth, as it can interrupt the connection.

Second, delete old versions of apps if they were installed earlier, for example, if you were using Mi Band 2, the residual data may conflict with the new sync.

1. Go to Settings. → Apps on Android or click on the app icon on iOS.
2. Choose Mi Fit or Zepp Life (if installed).
3. Click "Delete" and confirm the action.

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If you are switching from another Xiaomi fitness bracelet (such as Mi Band 4), reset the old device via the app before connecting the Mi Band 3.

Mi Fit or Zepp Life – Which is Best for Mi Band 3

Officially, the Xiaomi Mi Band 3 supports two apps: Mi Fit (developed by Xiaomi) and Zepp Life (formerly Amazfit, from Huami), both available on Google Play and the App Store, but have key differences:

For most Mi Band 3 users, we recommend Zepp Life, which offers more flexible settings and fewer synchronization errors, but if you want maximum compatibility with other Xiaomi devices (such as smart lamps or speakers), stay on Mi Fit.

Download the selected application by links:

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

How to connect Mi Band 3 to your phone

Once the application is installed, you can start pairing. Follow the instructions carefully - skipping even one step can lead to a connection error.

Step 1. Registration of an account

• 📝 Open the app (Mi Fit or Zepp Life) and click on "Register».
• 📧 Please provide a valid email or phone number. For Russia and CIS, it is better to use email — SMS sometimes don't get.
• 🔐 Create a strong password (save it in the password manager).
• ✉️ Confirm registration by reference in the letter or through SMS-code.

Step 2: Adding a device

• 🔍 In the main menu of the application, tap on the icon «+» or Add the device».
• 🏃 Select from the list of Mi Smart Band 3 (Zepp Life may be called Mi Band 3).
• 📱 Allow the application to access Bluetooth, notifications and geolocation (the latter is necessary for the pedometer to work correctly).

Step 3: Synchronization

• 🔄 Click “Hide” in the application and wait until the 6-digit code appears on the bracelet screen.
• 🔢 Enter this code in the app on your phone. If the code doesn't show, click the touch button on the bracelet to wake up the screen.
• ✅ After successful connection, a notification will appear “Device added».

Fully charged Mi Band 3|

Last update of the app | installed

Bluetooth and geolocation enabled|

Removed old versions of Mi Fit/Zepp Life-->

If you have a “failed to connect” error during the synchronization step, try:

1. Reboot your smartphone and bracelet.
2. Shut down. VPN Proxies (they can block Xiaomi servers).
3. Make sure the bracelet is not connected to another phone (in which case you must first untie it through the settings of the old device).

Configure notifications and basic functions

Once you've successfully connected, you have to customize the bracelet to suit your needs, and let's start with notifications, which is one of the most popular features.

How to enable notifications:

1. In the app, go to the section "Profile» → «Mi Smart Band 3» → «Notifications».
2. Activate the “Call Notifications” and “Notifications from Applications” switches.
3. In the list, select messengers (for example, WhatsApp, Telegram, Viber), from which you want to receive alerts.
4. Set the vibration: In Zepp Life, you can choose the duration and intensity.

Additional settings:

• 🕒 Alarm clocks: Add up to 10 alarm clocks through the app, which will be duplicated by the vibration on the bracelet, even if the phone is silent.
• 🏃 Activity goals: Set a daily rate of steps (default is 8,000, but can be increased to 30,000).
• 🔋 Screen: Turn on your hand lift to activate the display or set the automatic shutdown time (5 to 30 seconds).

Important: If notifications don’t come, check:

• 📵 Is the Do Not Disturb mode on the bracelet enabled (check down on the Mi Band 3 screen by swipeing down).
• 🔕 Application permissions: on Android go to Settings → Annexes → Zepp Life/Mi Fit → Notifications and access enabled.
• 📱 Synchronization: Re-pairing sometimes helps (remove the bracelet from the app and add again).

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Notifications from some apps (such as Instagram or Facebook) may not come due to their limitations. API. In this case, use the built-in alerts about SMS and.

Firmware Update: How to Install the Latest Version

Regular firmware updates fix bugs, add new features and improve stability. For the Mi Band 3, the current version for 2026 is 1.7.0.86 (may vary depending on region).

How to update firmware:

1. Open the app (Mi Fit or Zepp Life) and go to the bracelet section.
2. Slap the icon «⚙️» (setting) → «Firmware update».
3. If a new version is available, click "Update" and make sure the bracelet is at least 50% charged.
4. Wait until the process is complete (usually takes 3-5 minutes).

What to do if the update is suspended:

• 🔄 Reset the bracelet (press the button for 10 seconds).
• 📱 Reinstall the application and try again.
• 🌐 Check your Internet connection – the update is downloaded from Xiaomi servers.

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If after updating the bracelet began to discharge quickly, reset to factory settings: → Additionally. → Resetting in annex.

List of changes in the latest versions of the firmware:

Solving common problems with Mi Band 3

Even after connecting properly, users are faced with common errors, and let's look at the most common ones and how to fix them.

1.The bracelet is not synchronized with the phone

⚠️ Attention: If the Mi Band 3 Connected to the phone, but the data is not updated (steps, sleep, pulse), check: 📶 Bluetooth connection quality: Walls and metal objects can interfere. 🔄 Manually update the data: in the application swipe down on the main screen of the bracelet. 📵 Turn off the power saving mode for the Mi app Fit/Zepp Life in the phone settings.

2.The battery goes down fast.

• 🔋 Turn off constant data synchronization (in bracelet settings) → «Autosynchronization»).
• 📴 Reduce the brightness of the screen or the time it is active.
• 🚫 Remove unnecessary notifications – each alert consumes a charge.

3. The pulse meter is not working.

• 🩺 Make sure the bracelet fits tightly to the wrist (the distance between the sensor and the skin should be minimal).
• 🔄 Restart the device and repeat the measurement.
• 📊 In the app, check if sleep-mode pulse tracking is enabled (Settings) → Monitoring of heart rate).

4.The bracelet does not vibrate at notifications

⚠️ Note: iPhone must allow notifications for Mi Fit/Zepp Life in Settings → Notifications. Also check if the Do Not Disturb mode on the bracelet itself is activated (double pressing the button).

If none of these methods worked, do a complete reset of the bracelet:

1. In the application, go to the bracelet settings → «Additionally» → «Reset».
2. Confirm the action and wait for the reboot.
3. Reconnect the bracelet as you did on the first run.

How to Extend the Life of Mi Band 3

With proper care, the Mi Band 3 will last 2-3 years without losing functionality.

1. Care for the bracelet

• 🚿 Remove the bracelet before showering or swimming in the pool. despite being waterproof (5) ATM), Chlorine or salt water can damage seals.
• 🧼 Wash the body and strap with a wet wipe 1-2 times a week. To clean the pulse sensor, use a cotton swab dipped in alcohol.
• 🌞 Avoid prolonged exposure to direct sunlight – this can cause the display to burn out.

Optimization of work

• 🔄 Update your firmware when new versions appear – this corrects errors and improves autonomy.
• 📴 Turn off unnecessary functions (such as monitoring sleep if you don’t use it).
• 🔋 Charge the bracelet to 100% and discharge to 10-20% before connecting to charging – this will prolong the life of the battery.

3. Replacement of the strap

A standard silicone strap wears out in 6-12 months, and the original straps from Xiaomi can be bought at official sites:

• 🛒 Official Xiaomi website
• 🛒 AliExpress (Look for sellers with a rating above 98%)

To replace:

1. Turn the bracelet over and find a small latch on the back of the strap.
2. Carefully pull the strap aside until it separates from the body.
3. Install a new strap before you click.

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Use only original or certified straps, and cheap ones can damage the body's attachments or cause skin allergies.

FAQ: Answers to Frequent Questions About Mi Band 3