Why is Mi Band 4 still relevant in 2026?
Fitness bracelet Xiaomi Mi Band 4, released 2019 It is still one of the most popular trackers among users of budget wearable devices, despite the release of new models (Mi Band). 5/6/7/8), «Four is distinguished by the optimal ratio of price and functionality: AMOLED-screen, autonomy up to 20 days, protection 5 ATM It's a very accurate pulse sensor, but the main advantage is that it's easy to connect, and even a beginner can do it.
In this article, you'll find not only the standard phone sync instructions, but also hidden settings that Xiaomi doesn't advertise, like how to turn on the display of notifications from messengers or why the bracelet may not see the phone via Bluetooth, and at the end, a video review with a visual demonstration of each step.
If you’ve just unpacked Mi Band 4 or encountered a connection error, read on. We’ll break down the process for Android and iOS, and we’ll also tell you how to get around typical issues (for example, when the Mi Fit app doesn’t find the device).
What do you need to connect to Mi Band 4?
Before you start syncing, check if you have everything you need, and without these components, the process can end in error or the bracelet will not work properly.
- 📱 Smartphone on Android 5.0+ or iOS 10.0+ (for Mi Fit).
- 🔋 Charged bracelet (minimum 20% battery). ⚠️ Warning: If the charge is below 10%, the Mi Band 4 can be turned off during setup.
- 📲 Mi Fit app (download to Google Play or App Store).
- 🔄 Bluetooth 4.2+ (Check the settings: Settings → Bluetooth → Version.
| Component | Minimum requirements | Recommendations |
|---|---|---|
| Operating system | Android 5.0 / iOS 10.0 | Android 8.0+ for stable notifications |
| Bluetooth | Version 4.0 | 4.2+ (otherwise communication breaks are possible) |
| Annex | Mi Fit 4.6.0+ | The latest version (auto-update in settings) |
| Bracelet charge | 10% | 50%+ (for the first setup) |
If your phone doesn’t meet the minimum requirements, the bracelet may connect, but some features (such as continuous heart rate monitoring) will be disabled. Also note that on the iPhone, some of the Mi Band 4’s features are limited due to Apple’s policies (for example, there is no automatic notification display).
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Before connecting, reboot your phone – this will clear the Bluetooth cache and reduce the risk of synchronization errors.
How to connect Mi Band 4 to your phone
The synchronization process takes no more than 5 minutes, if you follow a clear algorithm, below is a universal instruction for both platforms (the differences for iOS are indicated separately).
Step 1: Install and configure the Mi Fit application
Download Mi Fit from the official store (links above).
- Open the app and sign up (via email, phone number or Xiaomi account).
- Select the region of Russia (important for the correct display of weather and metric units).
- Allow all requests: access to location, notifications, contacts (for calls).
Step 2: Adding a device
Now, plug in the bracelet:
Charge the Mi Band 4 to 50%+
Turn on Bluetooth on your phone
Make sure the bracelet is close (within a radius of 1 m)
Close all background applications that use Bluetooth (e.g. headphones)-->
- In Mi Fit, click Profile → Add the device.
- Choose a bracelet. → Mi Smart Band 4.
- Click Connect and confirm pairing in the Bluetooth system window.
If the bracelet is not present, try:
- 🔄 Reboot Mi Band 4 (press the touch button for 10 seconds).
- 📱 Turn off/enable Bluetooth on your phone.
- 🚫 Remove the bracelet from the list of conjugate devices in the phone settings and repeat the search.
Step 3: Set up notifications and synchronize data
After connection:
- Enable Notifications in bracelet settings (Calling and Message Notifications section).
- Select applications that will duplicate notifications on the screen (for example, WhatsApp, Telegram).
- Activate Autosynchronization in Settings → Data Synchronization.
⚠️ Note: On iPhone to display notifications, you need to additionally enable Mi Fit in the Notification settings → Allow notices.
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If notifications do not arrive, check if the power saving mode on the phone blocks them.
Video: Connecting Mi Band 4 in 3 minutes
So for visual perception, we've created a step-by-step video showing all the steps.
- 🎥 The process of unpacking and first inclusion of the bracelet.
- 📱 Connect to Android and iOS (with differences).
- ⚙️ Setting alarm clocks, goals by steps and displaying the weather.
- 🚨 Solving the error "Can't connect".
Watch the video review:
👉 Connecting Xiaomi Mi Band 4 to your phone (2026) (opens in a new tab).
In the description of the video you will find timecodes for quick navigation:
| 0:45 | Unpacking and charging of the bracelet |
|---|---|
| 2:10 | Installation of Mi Fit on Android |
| 4:30 | Connection to iPhone (features) |
| 6:50 | Set up notifications and pedometer |
Typical Connection Errors and Their Solutions
Even if you follow the instructions correctly, users have problems. TOP-5 errors and ways of eliminating them:
| Mistake. | Reason. | Decision |
|---|---|---|
| "Can't find the device." | Bluetooth is disabled or the bracelet is discharged | Charge the bracelet to 30% and restart Bluetooth |
| "Connection interrupted" | Conflict with another Bluetooth device | Turn off the headphones/columns, reconnect |
| The bracelet is connected, but does not sync the data | An outdated version of the Mi Fit | Update the app in the store |
| Notices are not coming to iPhone | iOS restrictions for third-party applications | Enable Mi Fit in Settings → Notifications |
| The bracelet is constantly off. | Weak Bluetooth signal or interference | Keep your phone and bracelet at a distance of <1 m |
If none of the methods helped, try to reset the bracelet to the factory settings:
- In Mi Fit, go to Profile → Mi Smart Band 4 → Untie the device.
- Press the touch button for 15 seconds until vibration appears.
- Repeat the connection process again.
What to do if the bracelet does not respond to touch?
Hidden features of Mi Band 4 that you didn’t know about
In addition to the standard features (stepmeter, pulsemeter), in the Mi Band 4 hidden several useful chips that are not advertised in the official instructions:
- 🔍 Phone search: Twice tap the bracelet screen – the phone will sound (even in silent mode).
- 🌙 Do Not Disturb: Activated in Mi Fit (Bracelet Settings) → Do not disturb. Disable all notifications for a given period.
- 🏃 Training without phone: The bracelet stores jogging/walk data and syncs it later (up to 7 days of offline recording).
- 🔋 Saving Charge: Turn off the backlight when raising your hand in the screen settings - this will increase autonomy by 30%.
Another little-known possibility is to customize your own dials.
- Download the dial file (.bin format) from sites like AmazonFit.
- In Mi Fit, go to Profile → Mi Smart Band 4 → Dials.
- Select Add the dial and download the downloaded file.
⚠️ Warning: Unskillful loading of third-party dials can cause firmware to fail. Use only verified sources!
Mi Band 4 compared to new models: should you upgrade?
If you’re considering buying the Mi Band 4 in 2026, it’s logical to compare it to the more recent versions.
| Characteristics | Mi Band 4 | Mi Band 5 | Mi Band 6 | Mi Band 7/8 |
|---|---|---|---|---|
| Screen. | AMOLED, 0.95" | AMOLED, 1.1" | AMOLED, 1.56" | AMOLED, 1.62" |
| Autonomy | 20 days | 14 days | 14 days | 16 days |
| Sensor. SpO₂ | ❌ No. | ❌ No. | ✅ There is. | ✅ Available (improved) |
| GPS | ❌ No. | ❌ No. | ❌ No. | ✅ Support for Mi Band 7 Pro only) |
| Price (2026) | ~1 500 ₽ | ~2 000 ₽ | ~2 500 ₽ | ~3 500 ₽ |
The bottom line: Mi Band 4 is still profitable for those who need basic features (stepmeter, pulse, notifications) at the lowest price. SpO₂, large-screen GPS — You should consider the Mi Band 6 or later.
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The Mi Band 4 remains the best choice for the budget segment due to its reliability and simplicity, and the new models are only suitable for athletes or users who are critical of additional sensors.