Installation of the application for fitness bracelet Xiaomi Mi Band 4: a complete guide with pictures

The Xiaomi Mi Band 4 remains one of the most popular fitness bracelets even years after its release, thanks to the balance of price, functionality and reliability. However, many users face difficulties already at the stage of connecting the device to a smartphone. The main problem is not the bracelet itself, but the improper installation or configuration of the accompanying application. Without it, the Mi Band 4 becomes a regular pedometer without notifications, sleep monitoring and data synchronization.

In this article, you will find the latest instructions for installing the official app (taking into account the changes of 2026), alternative ways to connect for different regions, as well as solving common errors like “bracelet does not see” or “firmware does not update.” We will discuss the process for Android and iOS, pay attention to the features of the Chinese and global versions of the Mi Band 4, and explain why some features may not be available in your country.

What application you need for Mi Band 4: official and alternative options

The main misconception of newcomers is to try to use universal fitness applications (like Google Fit or Apple Health) instead of specialized software from Xiaomi, which leads to the loss of 80% of the functions of the bracelet.

• 📱 Mi Fitness (formerly Mi Fit) is the official app for the global version of the bracelet. supports Russian, synchronization with Google Fit and Apple Health, but has regional restrictions (for example, in some countries it blocks notifications).
• 🌏 Zepp Life (formerly Amazfit) is an alternative app from the same manufacturer (Huami), with advanced sleep and exercise analytics. Suitable for the Mi Band 4, but may require manually tethering the device.
• 🇨🇳 (Xiaomi Wear, the Chinese version of the app, gives access to all bracelet features (including hidden ones) but in Chinese entirely.

For most users in Russia and the CIS, Mi Fitness is the best choice. However, if you want hidden features like displaying the weather on the bracelet screen or advanced notification settings, you will have to use Zepp Life or the Chinese version. Importantly, you can connect the bracelet to only one application at a time - you will need to reset the Mi Band 4 settings when changing the software.

System Requirements: Check your smartphone before installing

Before downloading the app, make sure your smartphone meets the minimum requirements.Otherwise, the Mi Band 4 will either fail to connect or will work with errors.Official requirements for Mi Fitness (current for 2026):

Pay special attention to the Bluetooth version. If your Released smartphone is in 2015 or earlier, there is a high risk that it does not support Bluetooth Low Energy (LE) - in which case the Mi Band 4 will permanently shut down. Check the Bluetooth version on Android can be found in the Settings menu → About Phone → Bluetooth version. On iPhone this information is hidden, but all models since the iPhone 5 support BLE.

⚠️ Note: On smartphones with custom firmware (like LineageOS or MIUI Europa) may experience sync problems due to lack of Google services, in which case you must manually install Google Play Services via Magisk or MicroG before installing Mi Fitness.

Step-by-step: how to install Mi Fitness on Android

The Android installation process takes no more than 5 minutes, but requires all steps to be completed in strict sequence. Below is the current instruction for the 5.8.0 version of the app (2026).

1. Download the app. The official source is Google Play. Alternative sources (like APKMirror) are only used if your region is blocked. The third-party version may contain viruses or outdated data.
2. Sign up for a Mi Account. Without a Xiaomi account, the bracelet will not sync. When registering, specify a real email, it will receive a confirmation letter. If you have already used Xiaomi devices (for example, a smartphone), you can log in under your existing account.
3. Turn on Bluetooth and geolocation. Go to Settings → Connections → Bluetooth and activate it. Geolocation (Settings → Privacy → Geodata) is required for the correct function of the "Search for bracelet".
4. Launch Mi Fitness and add the device. Click Profile → Add Device → Bracelet → Mi Smart Band 4. If the bracelet doesn't appear on the list, update the app or restart your smartphone.
5. Synchronize the bracelet. Bring the Mi Band 4 to the phone at a distance. < 10 cm and confirm the connection in the application. PIN-The default code is 0000 (unless you have changed it).

Bluetooth on your phone

Mi Fitness application installed (version 5.8.0+)

Bracelet charged at least 20%

Smartphone connected to the Internet (to download firmware)

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Once synchronized successfully, the app will suggest updating the bracelet firmware. Don't refuse to upgrade - older versions of the firmware may have errors with notification display or heart rate monitoring. The process will take 3-5 minutes, you can not interrupt it (otherwise the bracelet may "brick").

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If the app doesn't see the bracelet, try turning off Bluetooth, restarting your phone, and turning on Bluetooth again, which solves the problem 60 percent of the time.

Installation on iPhone: features and limitations

iPhone users often experience Mi Band 4’s insecure performance, with notifications missing, sleep or workout data not synchronized, and iOS restrictions blocking the background of apps. To minimize problems, follow this instruction:

1. Download Mi Fitness from the App Store. Link: App Store. Make sure you have the latest version of iOS installed (at least 12.0).
2. Set up notifications. Go to iPhone Settings → Notifications → Mi Fitness and enable options: 🔔 Allow notices 📱 Show on the lock screen 📌 Sound and badge

Without this, the bracelet will not vibrate when incoming calls or messages.

Turn on the background update.

In iPhone Settings → Main → Content update, find Mi Fitness and turn on the Wi-Fi option and cellular connectivity, which will allow the application to sync even when it is folded.

Put the bracelet on.

The algorithm is the same as on Android, but after connecting, go to Bracelet Settings → Notifications and manually select the applications that must be duplicated on Mi Band 4 (for example, WhatsApp, Telegram).

⚠️ Note: On the iPhone Mi Band 4, you won’t be able to display emojis in notifications, instead you’ll see empty squares. You can’t configure quick responses to messages (only available on Android).

Solving problems: bracelet not connected or app doesn't see device

Even if you install the Mi Band 4 app correctly, you may not be able to connect, and 90% of the time, the problem is solved by one of the ways below: Start with the simplest and move on to the more complex:

• 🔄 Reset the bracelet. To do this, plug it into charging and hold the 10 second button until the vibration appears. After rebooting, try connecting again.
• 📱 Reset your bracelet settings. In the Mi Fitness app, go to Profile → Mi Smart Band 4 → Untie the device. Then reset the bracelet: Settings. → Reset → Confirm (on the bracelet itself).
• 🔗 Check compatibility. Make sure your smartphone supports Bluetooth 4.2 LE. If not, you’ll need to change your phone or use the Mi Band 4 as a pedometer only (without synchronization).
• 🌐 Change region to Mi Fitness. Sometimes the app blocks the connection because of regional restrictions. To get around this: Delete the app. Download VPN (For example, ProtonVPN) and connect to a server in India or Singapore. Install Mi Fitness again and try to connect.

Update the firmware manually.

third-party

1. Download the latest firmware for your bracelet version (global or Chinese).


2. Rename the file to firmware.fw.




3. Place it in the /MiFit/firmware folder on your phone.




4. in the Mi Fitness application, perform an update.

If nothing helps, check the bracelet on another smartphone. If it does not connect there, there may be a hardware problem (for example, a damaged Bluetooth module). In this case, contact the Xiaomi service center (warranty on Mi Band 4 - 12 months from the date of purchase).

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The most common cause of connectivity problems is conflict with other Bluetooth devices. Before setting up the Mi Band 4, disconnect your headphones, smart watches and other gadgets from your phone.

Hidden features of Mi Band 4: how to unlock through the application

The official Mi Fitness app hides some of the features of the Mi Band 4 to “simplify the interface,” but they can be activated via alternative firmware or third-party apps, and below is a list of hidden features and ways to unlock them:

Warning: Installation of unofficial firmware deprives you of warranty and can lead to unstable operation of the bracelet.Before experiments, back up the data via Mi Fitness (Profile) → Mi Smart Band 4 → If the bracelet stops turning on after firmware, try returning the original firmware through the official website.

FAQ: Answers to Frequent Questions