Why sync Mi Band 4 with Xiaomi and what it takes
The Xiaomi Mi Band 4 fitness bracelet remains one of the most popular gadgets for tracking activity even years after its release, its main advantage is the seamless integration with the Xiaomi ecosystem, which unlocks the full potential of the device: From accurate sleep monitoring to smart home control from the wrist, many users have difficulty connecting the bracelet to a smartphone for the first time, especially when it comes to Xiaomi phones with a branded shell. MIUI.
In this article you will find step-by-step instructions for synchronization of the Mi Band. 4 with a Xiaomi phone (including models on the phone) MIUI 12/13/14), And we'll also solve some of the most common problems, from Bluetooth bugs to Mi Fitness crashes, and we'll look at what settings to check before you connect, how to update your bracelet firmware correctly, and why sometimes notifications don't show up on your screen. If you have just unpacked the bracelet or decided to reconfigure it after resetting – this guide will help you avoid common mistakes.
For successful synchronization, you will need:
- 📱 Xiaomi Smartphone (or Other) Android/iOS) OS version not lower than Android 6.0 iOS 10.0
- 🔋 Charged Mi Band 4 (minimum 20% battery)
- 📲 Mi Fitness (formerly Mi Fit) app of the latest version
- 🔄 Stable Internet connection (to download firmware)
Step 1: Prepare your Xiaomi phone for connection
Before you start syncing, make sure your Xiaomi smartphone is set up correctly.Often, Mi Band 4 connectivity issues arise from limitations. MIUI, They block the background of applications or access to Bluetooth:
1. Turn off the power saving mode for the Mi Fitness app:
- Go to Settings. → Annexes → Application management → Mi Fitness.
Select Energy Saving and set the value without restrictions.
Activate AutoRun option (this will allow the application to work in the background).
2. Set up permissions for Mi Fitness:
In the same app management menu, check that permissions are included for:
Location (required to search for a Bluetooth bracelet).
Notifications (to make sure the bracelet shows incoming calls and messages).
- Storage (for downloading firmware).
- Nana MIUI 14 Additional permission may be required Exact location - turn it on.
⚠️ Note: If you use Xiaomi with global firmware (e.g. Redmi Note 10 Pro), but the region in the settings is listed as China, the Mi Fitness app may not appear in the Play Market. APK From the official Mi App Store website.
3. Check the Bluetooth settings:
Activate Bluetooth in the Quick Settings Panel.
- Make sure you see the phone for other devices (in some versions) MIUI This parameter is hidden in Settings → Bluetooth → Additionally).
If you’ve previously connected other fitness bands (such as the Honor Band or Huawei Band), remove them from the list of associated devices to avoid conflicts.
Step 2: Install and configure the Mi Fitness app
The official Mi Band 4 management app is Mi Fitness (formerly Mi Fit), which can be downloaded from Google Play or the App Store, but for Xiaomi users, there is a nuance: in some regions, the app may be called Xiaomi Wear or Zepp Life (after rebranding).
Download and installation:
- For Android: Use the link to Google Play. If the app is not available in your country, download it. APK with APKCombo (select the latest version).
For iOS: The app is called Mi Fitness in the App Store, but may require you to change your account region to China or Russia.
Account registration:
When you first start up, Mi Fitness will prompt you to sign in via Mi Account (Xiaomi account).
Use the same account as you use on your Xiaomi phone, otherwise synchronization may not work properly.
If you already have an account, but the application asks to re-enter the login, try to log out and re-enter - this often solves problems with authorization.
Setting up the profile:
After entering, specify your gender, age, weight and height – these data are needed to accurately calculate calories and steps.
In the Devices section (bracelet icon at the bottom of the screen), click Add Device and select Mi Smart Band 4.
Install Mi Fitness|Disable energy saving for the application|Enable Bluetooth and location|Registering for Mi Account|Charge the bracelet to 50%+-->
Step 3: Connecting Mi Band 4 to your phone
Now, to the synchronization process itself, follow the instructions carefully, and at this point, many users make errors that make the bracelet undetectable by the phone.
Activation of the bracelet:
Put the Mi Band 4 on your hand and tap the touch button below the screen to unlock it.
If the screen does not respond, connect the bracelet to charging for 10-15 minutes - it may be discharged.
After turning on the screen will appear Pair (Pair) or a code of 6 digits.
2. Pairing through Mi Fitness:
- In the Mi Fitness app, click Add Device → Mi Smart Band 4.
Press Hide and wait for the phone to find the bracelet, and if the search drags on, update the device list by pulling the screen down.
When the Mi Band 4 appears on the list, click on it. The phone and bracelet should show the same 6-digit code - confirm pairing on both devices.
⚠️ Note: If there is an error at the interface stage Unable to connect, try: 🔄 Reboot Bluetooth on your phone (turn off/on). 📱 Remove Mi Band 4 from the list of associated devices in Bluetooth settings. 🔋 Reset the bracelet (press the touch button for 10 seconds until vibration appears).
Update of firmware:
Once the device is successfully connected, it will prompt you to update the bracelet firmware, so don't miss this step, because outdated firmware can cause malfunctions.
- Connect Mi Band 4 to charge and make sure your phone is connected to Wi-Fi (update "hangs" ~10–15 MB).
- Press Update and wait until the process is complete. Do not turn off the bracelet from charging and do not close the application until the update is complete - this can lead to "bricking" of the device.
What to do if the update is suspended?
Compatibility of Mi Band 4 with Xiaomi phones
Not all Xiaomi models work equally well with the Mi Band 4. Below is a compatibility table with the version in mind. MIUI and possible limitations:
| Model phone | MIUI version | Support for Mi Band 4 | Features |
|---|---|---|---|
| Redmi Note 10/11 | MIUI 12.5–14 | Complete. | Notification delays may occur due to battery optimization. |
| POCO X3/X4 | MIUI 13 for POCO | Complete. | You need to turn off background restriction for Mi Fitness. |
| Xiaomi Mi 11/12 | MIUI 13–14 | Complete. | Support for quick response to notifications (for messages only). |
| Redmi 9A/9C | MIUI 12 | Partial | No support for music control gestures. |
| Xiaomi Black Shark | MIUI 12 (castom) | Limited. | Notifications from games may not work. |
Step 4: Set up notifications and additional features
Once you've successfully connected, the Mi Band 4 can be customized to suit your needs, and one of the key features of the bracelet is to display notifications from your phone. Here's how to do this:
Incorporation of notifications:
- In the Mi Fitness app, go to Profile → Mi Smart Band 4 → Notifications.
Activate the Call Notification and Notifications from the apps switch.
Select the apps you want to see on your bracelet (e.g. WhatsApp, Telegram, Gmail).
Version and screen settings:
In the same section you can configure:
Vibration intensity (weak/strong).
Display of the text of notifications (full text or only the name of the sender).
Ignoring notifications in the "Do not disturb" mode (on the phone).
Additional functions:
- Music management: in the section Bracelet settings → Music control: Enable the option to switch tracks directly from Mi Band 4.
Phone Search: Activate Phone Search – if the phone gets lost, the bracelet will help you find it by the beep.
Alarm clocks: set up vibrating alarm clocks in the Alarms section (up to 10 alarms can be added).
1. whether notifications for Mi Fitness are included in the phone settings (Settings) → Annexes → Mi Fitness → Notifications).
2. Does not block them from the Do Not Disturb or Energy Saving mode?
3. whether the bracelet firmware has been updated to the latest version (check in Profile) → Mi Smart Band 4 → Firmware update).-->
Step 5: Solving Common Problems
Even after a successful connection, the Mi Band 4 may not work properly.
1. The bracelet is not synchronized with the phone:
Check if Bluetooth is on and overloaded (disable other devices, such as headphones).
Remove the bracelet from the list of devices in Mi Fitness and pair again.
- If you are using Xiaomi with MIUI 14, try disabling the dual apps feature (it can duplicate Mi Fitness and cause conflicts).
2. the display of notifications does not work:
- Make sure that the phone settings for Mi Fitness allow notifications (Settings) → Annexes → Mi Fitness → Notifications → Permission).
Check if the app that doesn’t send notifications has been added to the Mi Fitness blacklist.
The bracelet discharges quickly:
Turn off unnecessary features such as raising your hand to activate the screen or a constant pulse (they consume a lot of battery).
Check if there are any third-party dials installed – some of them are poorly optimized and increase power consumption.
4. Sleep monitoring or pedometer is not working:
Make sure the bracelet fits tightly to the wrist (the distance between the sensor and the skin should be minimal).
Update the bracelet firmware and Mi Fitness app to the latest version.
- If the problem persists, reset the bracelet to factory settings (Bracelet settings) → Reset).
💡
If the Mi Band 4 isn’t detected by the phone after a few attempts, try connecting it to another smartphone (like Android 10).+). If the bracelet works, the problem is in the settings of your Xiaomi (most often the fault is the power saving mode or conflict with other Bluetooth devices).
Step 6: Alternative ways to connect (without Mi Fitness)
If the official Mi Fitness app doesn’t work or isn’t available in your area, you can use third-party solutions that are suitable for advanced users and allow you to unlock additional bracelet features.
1.Notify & Fitness for Mi Band app:
Available on Google Play, supports Mi Band 4 and allows you to customize notifications more flexible than in the standard app.
- Advantages:
Support for responding to messages directly from the bracelet (for some models).
Set up vibrations for different types of notifications.
- Export data to Google Fit.
2. Mi Band Master application (requires root rights):
- Allows you to install custom firmware and dials.
It can unlock hidden functions, such as:
- Weather display on the bracelet screen.
- Controlling the phone's camera from the bracelet.
- Set up gestures to launch applications.
⚠️ Note: Using third-party firmware may result in loss of warranty and unstable bracelet operation.Before installation, backup your data via Mi Fitness.
Connect via Xiaomi Wear (for new phone models):
- On Xiaomi phones with MIUI 13/14 Sometimes you can use the Xiaomi Wear app instead of Mi Fitness.
- The functionality is similar, but the interface is adapted to the latest versions of bracelets (Mi Band). 6/7). For the Mi Band. 4 Support may be limited.