Connecting Xiaomi Mi Band 4 to a smartphone: full instructions with pictures and tips

The Xiaomi Mi Band 4 fitness bracelet remains one of the most popular gadgets for tracking activity even years after its release. AMOLED-The display and 20-day autonomy attract both beginners and experienced users, but many people have difficulty connecting for the first time – especially if it is a question of changing a smartphone or reinstalling an application.

In this article, we will explore all possible ways to pair the Mi Band 4 with Android and iOS devices, including solutions to common errors such as β€œthe bracelet does not find” or β€œthe connection is constantly broken.” Special attention will be paid to hidden firmware settings that improve communication stability and extend battery life. If you have just unpacked the gadget or want to reconfigure it after resetting, this is the guide for you.

Preparation for connection: what to do before pairing

Before you start setting up, make sure you have everything you need. Xiaomi Mi Band 4 is compatible with most modern smartphones, but there are nuances:

  • πŸ“± Smartphone on Android 5.0+ or iOS 10.0+ (iPhone will require Bluetooth 4.0)
  • πŸ”‹ Charged bracelet (minimum 20% battery – otherwise it may shut down during setup)
  • πŸ“² Official Mi Fitness app (formerly Mi Fit) or Zepp Life app (for new firmware)
  • πŸ”„ The ability to enable Bluetooth, Geodata and notifications (without this, some of the functions will not work)

Important: If you upgrade from Mi Band 3, reset your old bracelet to factory settings through the app to avoid conflicts, and check if your antivirus or β€œpower saving mode” blocks Bluetooth in the background – a common cause of unstable connections.

πŸ“Š What version of the Mi Band you are using?
Mi Band 4
Mi Band 5/6
Mi Band 7/8
Another fitness bracelet
First time I'm buying.

Installation and configuration of the Mi Fitness (Zepp Life) application

The official Mi Band 4 management app is called Mi Fitness (in some regions, Zepp Life), which can be downloaded for free from Google Play or the App Store. APK-Files – they may contain viruses or outdated firmware versions.

After installation:

  1. Launch the app and sign up via Xiaomi Account, Google or Apple ID.
  2. Click "Add device" (the icon "+" in the upper right corner).
  3. Select from the Mi Smart Band 4 list (if not, update the app!).
  4. Confirm permissions to access notifications, geodata and contacts (without this, calls and calls will not work). SMS-warning).

⚠️ Note: If the application requests access to Phone or Files, it is necessary to synchronize call data and backup settings. Failure does not block the basic functions, but will limit the capabilities of the bracelet.

Register with Mi Fitness | Enable Bluetooth and geodata | Charge bracelet to 50%+| Update the application to the latest version-->

Step-by-step connection Xiaomi Mi Band 4 to the phone

When the application is ready, we start pairing. The whole process takes no more than 2-3 minutes, if you follow the instructions:

  1. Activate the bracelet: Press the touch button below the screen until it appears QR-code".
  2. Scanner in the application: in Mi Fitness tap "Connect" β†’ "Scan QR" and point the camera at the bracelet screen.
  3. Confirmation: The bracelet will have vibration and a pairing request – click the tick on the Mi Band 4 screen.
  4. Update firmware: if the application offers to update – agree (this will fix bugs and add new features).

Once successfully connected, the bracelet automatically syncs time, steps and sleep data, and if that doesn’t happen, restart both devices or check the permissions for Mi Fitness in your phone settings.

What to do if QR-code not scanned?
If the phone’s camera doesn’t recognize the code on the bracelet, try: 1. Increase the brightness of the Mi Band 4 screen to maximum. 2. Wipe the phone’s camera and the bracelet screen from contamination. 3. Manually enter the 6-digit code that appears on the bracelet after pressing the button. 4. Reboot the bracelet (press the button for 10 seconds until vibration appears).

Configure notifications and basic functions

By default, the Mi Band 4 only shows the time and steps. To unlock its potential, go to the bracelet settings in the Mi Fitness app:

  • πŸ”” Notifications: Turn on alerts for calls, SMS and applications (WhatsApp, Telegram, etc.) Go to the Device Profile β†’ Notifications.
  • πŸƒ Activity tracking: Set goals for steps, calories, and sleep time in the Goals section.
  • πŸŒ™ Do Not Disturb: Set a schedule when the bracelet will not vibrate (e.g. at night).
  • πŸ”’ Screen locking: activate PIN-code for the bracelet so that no one can view your data.

⚠️ Note: On iPhone, notifications from third-party messengers (Viber, Facebook) may not come due to iOS restrictions.The solution is to enable Mi Fitness "Background App Refresh" in the iPhone settings.

FunctionAndroidiOSNotes
Call notificationsβœ… Full supportβœ… Only incomingThe iPhone does not display the name of the caller
SMS-warningβœ… Text of the communicationβœ… Only noticeAndroid shows the first 30 characters
Messengers (WhatsApp, Telegram)βœ… Full text❌ Just a badge.iOS requires jailbreak for full-time work
Controlling musicβœ… Play/Pause, tracksβœ… Only Play/PauseIt works with YouTube Music, Spotify

Solving common connection problems

Even with the official app, users are experiencing errors, and here are the most common ways to fix them:

  • πŸ”΄ "Cannot find device": Make sure Bluetooth is on the phone and bracelet in pairing mode (screen with the phone's wireless interface) QR-Reboot both devices. Turn them off. VPN Proxies – they can block the connection to Xiaomi servers.
  • πŸ”„ "Continuously break connection": In your phone settings, add Mi Fitness to the list of "Apps without battery optimization. Turn off "Android" or "Background Optimization" (iOS). Update the bracelet firmware through Settings β†’ Update of the PO.
  • ⚑ "Bracelet not charging": Check the cable - contacts should fit tightly to the connector on the bracelet. Use the charge from the 5V/1A (Clean the contacts of the bracelet with an alcohol napkin for oxidation.

1. Remove it from the application and add again.

2. Reset the bracelet settings (press the button for 20 seconds).

3.Reinstall Mi Fitness by saving data to the cloud.-->

Hidden features and life hacks for Mi Band 4

Many users don't know that the Mi Band 4 has much more to do than count steps.

  • πŸ” Phone search: swipe down on the bracelet screen and select Find the phone – the smartphone will begin to vibrate, even if it is in silent mode.
  • 🌦️ Weather for 3 days: add a weather widget in the Mi Fitness app (section "Bracelet Screen").
  • 🏊 Swimming mode: activate manually in front of the pool - the bracelet will track the length of the swim and calories.
  • πŸ”‹ Battery savings: Turn off the β€œRaising your hand to activate the screen” and β€œConstant pulse” – this will extend the autonomy up to 25 days.
  • 🎨 Custom dials: download new themes in Mi Fitness β†’ Device profile β†’ Dials (there are animated options).

πŸ’‘

To unlock the hidden settings menu on Mi Band 4, go to Settings β†’ About bracelet and tap 5 times according to the firmware version. Here you can turn on Bluetooth debugging and test modes (for power users!).

How to Reset Mi Band 4 to Factory Settings

If the bracelet is starting to glitch, it's not synchronizing, or you're giving it to another person, do a reset. There are two ways:

  1. Through the app: Open Mi Fitness β†’ Device Profile. Select "Untie the device." Confirm the action, the bracelet will automatically reset.
  2. Through the hardware button: Disconnect the bracelet from your phone in Bluetooth settings. Press the touch button on the Mi Band 4 for 20-30 seconds until the vibration and the Mi logo appear. Once rebooted, the bracelet will be like a new one.

⚠️ Attention: Reset removes all data from the bracelet (steps, sleep, dial settings), but the information in the Mi Fitness app will remain if it has been synchronized. To avoid losses, manually update the data before reset (pull the screen down in the main menu of the application).

FAQ: Frequent questions about Xiaomi Mi Band 4

Can I connect Mi Band 4 to two phones at the same time?
No, the bracelet only supports pairing with one device. To reconnect it to another smartphone, first untie it in the Mi Fitness settings on the first phone, then reset (press the button for 20 seconds) and reconnect it.
Why does the bracelet vibrate for no reason?
You probably have sedentary reminders (every hour) or alarm clocks on. Check the settings in Mi Fitness β†’ Device profile β†’ reminders. Vibration can also mean low battery power (less than 10%).
How to change the language on the bracelet?
Mi Band 4 language depends on regional firmware. To change it: Untie the bracelet in the app. Install Mi Fitness from a regional store (for example, download the app from the Mi App Store for Chinese). Reconnect the bracelet - the language will change automatically. Attention: Unofficial firmware may lead to loss of warranty!
How long does the Mi Band 4 charge?
Full charging takes 1.5-2 hours when using the original cable. If the bracelet charges longer: Check the cable for damage. Use the charger with an output of 5V/1A (not fast charging!). Clear the contacts of the bracelet from the potassium fat deposits. Additional synchronization may be required when you first connect to a new phone (up to 10 minutes).
Can I swim with the Mi Band 4?
Yes, the bracelet has 5 ATM protection, which allows you to use it in the pool or in the rain. However: It is not recommended to swim in salt water (may damage the seals). After bathing, wash the bracelet with fresh water and dry. Hot water (sauna, bath) can damage the battery. To track swims, switch on the "Swimming" mode manually before entering the water.