How to connect Xiaomi Mi Band 4 fitness bracelet to your phone after resetting: the full guide

Why Mi Band 4 doesn’t connect to your phone after a reset and what to do about it

Reset Xiaomi Mi Band 4 and now the bracelet refuses to sync with the smartphone? This problem is familiar to many users — after a hard reset, the device seems to “forget” all previous connections and requires a complete reconfiguration. 80% of cases are to blame for the malfunction in the Mi Fit application (or its alternatives), outdated firmware bracelet or Bluetooth connection conflict.

In this article, we will analyze all working ways of connecting - from standard synchronization through official software to manual error bypassing. You'll learn how to reset the bracelet before setting up, what phone settings interfere with the connection, and what to do if the Mi Band 4 is not determined on Android or iPhone. FAQ typical.

Important: If you have already tried 3+ If you see a bug like, "Can't connect to the device" or "Breaster doesn't respond," don't be quick to blame the bracelet. 9 out of 10 times, the problem is in the smartphone or the software. Next, step-by-step instructions with all the nuances in mind.

Preparing for connection: what to do before synchronization

Before you try to connect the Mi Band 4 to your phone, follow the mandatory preparatory steps, and ignoring them is the main reason for failed attempts to connect.

First, make sure the bracelet is fully charged. Once reset, it can run out in a few hours in standby mode. Connect it to charge for 30 to 40 minutes - the indicator should show 100%. Second, check the firmware version of the bracelet: if it is outdated (below 1.0.9.54), compatibility errors with modern smartphones can occur.

Make sure the Mi Band 4 is 100-charged%|Update the Mi Fit app to the latest version|Enable Bluetooth and geolocation on your phone|Remove the bracelet from the list of associated devices (if previously connected)|Reboot your smartphone-->

Pay special attention to the Mi Fit app (or its analogues like Zepp Life):

• 📱 For Android: download the latest version from Google Play or Xiaomi's official website. Versions below 5.6.0 may not support Mi Band 4.
• 🍎 For iOS: Only use the App Store – third-party sources often distribute outdated builds.
• 🔄 Update the bracelet firmware through the Device Profile → Update to Mi Fit (if the bracelet has been connected at least once before).

If you use custom firmware (such as Amazfit or Modify), return the original firmware from Xiaomi - they often conflict with the official software after reset. FAQ.

Reset Mi Band 4 to factory settings: how to do it right

If the bracelet has been in use, it needs to be completely reset before reconnecting. Many users make the mistake of simply removing the device from the application - that's not enough. Physical reset on the bracelet itself is mandatory.

Instructions for Xiaomi Mi Band 4:

1. On the bracelet, go to the menu, flipping the screen to the right to the item "More" (three dots).
2. Select "Settings» → «Reset».
3. Confirm the action by clicking the tick. The bracelet vibrates and reboots.

Alternatively, if the sensor is not responding:

• 🔌 Connect the bracelet to charging.
• 🔄 Press and hold the touch button for 10-15 seconds until the Mi logo appears.
• 📱 After the reset, the bracelet will be ready for new synchronization.

Once reset, the bracelet will return to factory settings: time will reset, all steps and pulse data will be deleted, and a welcome screen will appear on the menu, and now it can be connected to the phone.

Step-by-step: how to connect Mi Band 4 to Android

The sync process on Android is different from iOS, with more settings that can interfere with the connection. Follow the instructions strictly in steps to avoid errors.

Step 1. Set up the phone

• 📱 Open the Settings. → Bluetooth and turn it on.
• 📍 Enable geolocation (required for Mi Fit operation).
• 🔄 Reboot your phone – it will reset the Bluetooth cache.
• 🚫 Remove the bracelet from the list of associated devices (if there is one there).

Step 2 Connect via Mi Fit

1. Open the Mi Fit app and log in (or create a Xiaomi account).
2. Click "Profile» → «Add the device».
3. Select "Breasurement» → «Mi Smart Band 4».
4. Allow the application to access notifications, contacts, and geodata (otherwise, the synchronization will not end).
5. Wait until the bracelet appears in the list of found devices, and click on it.

Step 3: Completion of the setup

• 🔄 Bracelet vibrates – confirm pairing on the phone and on the device itself (touch the ticks on the screen Mi Band 4).
• 📲 Update the bracelet firmware if the app offers.
• ⚙️ Set notifications, alarms, and other settings in the device menu.

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If Mi Fit doesn’t find the bracelet, try turning off the power saving mode on your phone. Some manufacturers (such as Samsung or Huawei) block the background work of applications, which prevents the search for devices.

If the error “Cannot contact the device” appears at the connection stage, check:

• 🔋 Bracelet charge level (should be) >50%).
• 📶 Internet connection stability (Mi Fit downloads data from Xiaomi servers).
• 🔄 Bluetooth Version (should be supported) BLE 4.2+).

Connecting Mi Band 4 to iPhone: features and nuances

On iOS, the process is simpler, but there are pitfalls, and Apple’s main problem is its restrictions on the background of apps, and if you don’t give Mi Fit all the necessary permissions, the bracelet will shut down in 5-10 minutes.

Instructions for iPhone:

1. Install Mi Fit from the App Store (version no lower than 5.6.0).
2. Open the iPhone Settings → Bluetooth and turn it on.
3. Launch Mi Fit, log in and click "Add Device."
4. Select “Mi Smart Band 4” and wait for the bracelet to appear in the list.
5. Confirm the pairing on your phone and bracelet (touch the Mi Band 4 screen).

Important iOS settings:

• 📍 Allow Mi Fit to access geolocation (Settings) → Confidentiality → Geolocation services).
• 🔔 Enable notifications for the application (Settings) → Notifications → Mi Fit).
• 🔄 Turn off low power mode (Settings) → Battery).
• 🔒 Add Mi Fit to background update exceptions (Settings) → Mainstream → Content updates).

If after connecting the bracelet is constantly disconnected:

⚠️ Attention: On iPhone with iOS 16+ Xiaomi recommends using the Zepp Life app instead of Mi Fit. It is better optimized to work with Mi Band 4 on new OS versions.

Common mistakes and their solution

Even with the right connection, there can be failures, and below is the table with the most frequent errors and ways to fix them.

If your error is not in the table, try:

• 📱 Change your Mi Account region to China (sometimes helps with server problems).
• 🔄 Remove the Mi Fit cache (Android Settings) → Annexes → Mi Fit → Memory. → Clear the cache).
• 🔌 Connect the bracelet to another phone to check the health.

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If none of these methods worked, the problem may be a hardware malfunction of the bracelet (e.g., a damaged Bluetooth module).

Alternative ways to connect: if Mi Fit does not work

The official Mi Fit app doesn’t always work well, especially on older smartphones or custom firmware. If the standard method didn’t work, try alternative methods.

Method 1. Zepp Life app (formerly Amazfit)

Zepp Life is the official software from Huami (the maker of Xiaomi bracelets), which is often better compatible with the Mi Band 4 than Mi Fit.

• 📱 Android
• 🍎 iOS

The connection algorithm is the same as in Mi Fit, but with a more intuitive interface.

Method 2: Notify & Fitness for Mi Band

This is a third-party software with advanced settings for the Mi Band.

• 🔔 Customization of notifications (color, vibration).
• 📊 Expanded statistics on sleep and exercise.
• 🔄 Manual data synchronization.

Download here (Android only) minus: requires root rights for some features.

Method 3: Connecting via Tools & Mi Band

Another third-party app that can:

• 🔧 Restore the bracelet firmware.
• 🔄 Bypass Mi Fit locks.
• 📲 Export data to Google Fit.

Link: Google Play.

⚠️ Note: Third-party apps may contain ads or collect data. Before installing, check the reviews and permissions they request. Never enter Mi Account information into unverified programs.

What to do if the bracelet is connected, but does not work correctly

The bracelet synchronized, but it doesn't show notifications, doesn't count steps, or does it discharge quickly?

Problem 1: Notifications are not coming.

• 🔔 Check notification settings in Mi Fit (Device Profile) → Notifications).
• 📱 On Android: Allow Mi Fit to Access Notifications (Settings) → Annexes → Mi Fit → Notifications).
• 🍎 On iOS: Enable notification forwarding in Bluetooth settings.

Problem 2: Step/pulse data are not synchronized

• 🔄 Reconnect the bracelet to Mi Fit.
• 📶 Make sure your phone is connected to the Internet (the data is synchronized via Xiaomi servers).
• ⏱️ Wait 10-15 minutes – sometimes synchronization occurs with a delay.

Problem 3: Battery goes down fast.

• 🔋 Turn off constant synchronization in bracelet settings.
• 🔔 Reduce the number of notifications (they consume a lot of charge).
• 📴 Reset the bracelet (hold the button for 10 seconds).

Problem 4: The bracelet shuts down on its own.

• 📱 On Android: Add Mi Fit to Battery Optimization Exceptions (Settings) → Battery → Optimization).
• 🍎 On iOS: Turn off low power mode.
• 🔄 Update the bracelet firmware and app.

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If the bracelet has become worse after the firmware update (for example, it stopped showing notifications), try rolling back the firmware to the previous version through the Tools & Mi Band app.

FAQ: Answers to Frequent Questions