Connecting your phone to Xiaomi Mi Band 4: Full instruction with problem solving

Why sync Mi Band 4 with a smartphone?

The Xiaomi Mi Band 4 fitness bracelet is one of the most popular wearables due to its combination of functionality and affordable price, but without the right synchronization with your smartphone, you lose half of its capabilities: notifications, sleep monitoring, music management, and even contactless payments in some regions.

Connecting your phone to your wristband seems like a simple task, but in practice, users are faced with Bluetooth bugs, problems in the Mi Fit app, or software versions incompatibility. In this article, we will discuss not only the basic settings, but also hidden features that the manufacturer does not always advertise. For example, did you know that you can remotely take photos on your phone or manage presentations through the Mi Band 4?

If you’ve just unpacked the bracelet or are trying to reconnect it after resetting, this guide will help you avoid typical errors and save time. And for power users, we’ve prepared a section with advanced settings that go beyond the standard guide.

Requirements for phone and bracelet before connection

Before you start syncing, make sure your hardware meets the minimum requirements.The Xiaomi Mi Band 4 is compatible with most modern smartphones, but there are nuances:

• 📱 Operating system of the phone: Android 5.0+ or iOS 10.0+. On devices with Android 4.4 and below, the Mi Fit app will not install.
• 🔵 Bluetooth Version: Not lower than 4.0 (BLE). Check in the phone settings: Settings → The phone. → Information on the PO.
• 🔋 Bracelet charge: at least 20%. At low charge, connection may be interrupted.
• 📲 Mi Fit app: latest version (update via Google Play or App Store) Older versions may not support new bracelet features.

Critical information: Mi Band 4 bracelets with firmware below version 1.0.7.14 do not support synchronization with iPhone 15 and new Android models on Snapdragon 8 Gen 2+ chips due to changes in the Bluetooth protocol.

⚠️ Note: If your phone supports Dual Bluetooth (simultaneous connection to multiple devices), disable other gadgets before syncing with Mi Band 4. Channel conflicts can cause connection breaks.

Installation and configuration of the Mi Fit application

Mi Fit is the only official way to connect Xiaomi Mi Band 4 to your phone. Alternative programs like Notify & Fitness or Mi Band Master may offer advanced features, but often disrupt the stability of the connection.

1. Download Mi Fit from the official store: 🤖 Google Play for Android 🍎 App Store for iOS

Xiaomi

• 🔵 Bluetooth (Visibility Mode – For All Devices")
• 📍 Geolocation (required to search for bracelet)
• 📶 Mobile data or Wi-Fi (for downloading firmware)
• Connection Confirmation: When the bracelet appears on the list, click on it. The Mi Band 4 screen will display a 4-digit code. Compare it to the code in the app and confirm the connection.
• Update: Once connected, Mi Fit will automatically check for updates. Do not interrupt the update process, which can lead to a build-up of the bracelet (loss of performance). The average refresh time is 5-10 minutes.

If at the stage of code confirmation there is an error "Can not connect", try:

• 📵 Shut down. VPN Proxies on your phone (they can block Xiaomi servers).
• 🔄 Reboot both the phone and the bracelet (to reboot the bracelet hold the touch button for 10 seconds).
• 📲 Remove the bracelet from the list of paired Bluetooth devices in the phone settings and repeat the search.

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If the bracelet does not respond to touch during connection, bring it to the light source - the light sensor can block the screen in dark conditions.

Configure notifications and basic functions

After a successful connection, it’s time to customize the bracelet to suit your needs. By default, the Mi Band 4 only shows the time and steps, but its capabilities are much wider:

1. Notifications from the phone

To receive alerts about calls and messages:

1. In Mi Fit, go to Profile → Mi Smart Band 4 → Notifications.
2. Turn on the Call Notification and Notifications from the apps switch.
3. Select the apps you want to see on your bracelet (e.g. WhatsApp, Telegram, Gmail).

Activity monitoring

Set up tracking goals and parameters:

• 🏃 Steps: Set a daily norm (recommended) 8000-10000 stepping-step).
• 💤 Sleep: Turn on Auto-Sleep Tracking and set the alarm with Smart Lift (the bracelet will wake you up in the light sleep phase).
• 🏊 Swimming: Activate Swimming Tracking Mode if you are in the pool (bracelet waterproof up to 50 meters).

Additional functions

Few people know, but Mi Band 4 is a great player.

• 📸 Control the camera of the phone: Enable in Mi Fit → Laboratory → Now double-pressing the bracelet will take a picture.
• 🔍 Phone search: In the bracelet menu, select the phone icon - the device will emit an audio signal (works even in silent mode).
• 🎵 Music control: Switch tracks and adjust volume directly from the bracelet (Android 6.0 required)+).

Common mistakes and their solutions

Even with the right connection, users are facing problems, and we've collected common bugs and proven ways to fix them:

If the bracelet is connected but the data is not synchronized (steps, pulse, sleep), try:

1. Open Mi Fit and manually update data (pull the screen down for updates).
2. Reconnect the bracelet: Profile → Mi Smart Band 4 → Disable the device, then re-sync.
3. Clear the app cache: Phone settings → Apps → Mi Fit → Memory → Clear the cache.

⚠️ Warning: If the bracelet has stopped responding to touch after the firmware update, reset to factory settings. To do this, plug the bracelet into charging, then press the touch button 15 times in a row. The screen blinks to confirm the reset. All data on the bracelet will be deleted!

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Most connectivity problems are solved by rebooting the bracelet and phone, and don't neglect this simple step before complex manipulations.

Synchronization with third applications (Google Fit, Apple Health)

By default, data from Mi Band 4 is stored only in Mi Fit, but it can be exported to other services for complex analysis.

For Android (Google Fit)

1. Open Mi Fit and go to Profile → Settings → Accounts and Sync.
2. Select Google Fit and log in through your Google account.
3. Allow access to data on steps, weight, sleep and pulse.

Sync is automatically done once an hour, so to force you to update your data, open Google Fit and pull the screen down.

For iOS (Apple Health)

On the iPhone, the process is a bit more complicated due to Apple's limitations:

1. In Mi Fit, go to Profile → Mi Smart Band 4 → Data Synchronization.
2. Turn on the Apple Health switch.
3. Manually select the types of data to export (e.g. steps, distance, calories).

Important: Apple Health does not support importing sleep and stress data from Mi Band 4.

Tips for extending the life of the bracelet battery

Officially, the Xiaomi Mi Band 4 holds a charge of up to 20 days, but in practice this period is often shortened to 7-10 days.

• 🔋 Turn off the permanent pulsemeter: In Mi Fit → Heartbeat → Select the measurement frequency manually or every 30 minutes instead of continuously.
• 📵 Reduce the number of notifications: Leave only critical apps (calls, SMS, messengers).
• 🌙 Use dark dials: AMOLED-Mi Band 4 uses less energy to display dark colors. Select a black dial in Mi Fit → Display. → Change of dial.
• 🔍 Turn off the raising of the hand for activation: This feature consumes up to 15% of the charge per day. → Display. → Raising your hand.

If the bracelet is discharged in 1-2 days, check:

• 🔌 Charging quality: Use the original cable.Non-original charging can damage the battery.
• 📱 Background Processes: Close Mi Fit in Multitasking After Sync.
• 🔄 Frequency of updates: Mi Fit → Profile → Mi Smart Band 4 → Autosynchronization set the interval no more than 1 time per hour.

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To quickly check the charge level of the bracelet, swipe down on the main screen. If the indicator flashes red, connect the charge for an hour, otherwise the bracelet will turn off.

FAQ: Frequent questions about connecting Mi Band 4