Why is Mi Band 4 still relevant in 2026?
The Xiaomi Mi Band 4 fitness bracelet, released in 2019, is still one of the most popular wearable devices among Android users. Despite the release of new models (Mi Band 5/6/7/8), the four continue to hold their positions due to the optimal ratio of price, functionality and reliability. In this article, we will discuss how to connect the bracelet to an Android smartphone, avoid typical errors and customize it for maximum efficiency.
Many users experience problems when pairing first: the bracelet is not detected, the application gives errors, or the data is not synchronized, most often due to an outdated version of the firmware, improper Bluetooth settings or conflicts with other gadgets, we will examine each step in detail, from preparing the smartphone to fine-tuning notifications and sports modes.
It’s important to note that the Mi Band 4 only works with the official Mi Fitness app (formerly Mi Fit). Alternative programs like Notify & Fitness or Tools & Mi Band may offer advanced features, but often lead to synchronization failures. If you want stable work, stick to the official software.
Preparing a smartphone before connecting
Before you start pairing, make sure your Android smartphone meets the minimum requirements:
- 📱 Android Version: 5.0 and higher (recommended 7.0)+ steady-work).
- 🔄 Bluetooth: version 4.2 or later (check Settings) → The phone. → Information on the PO).
- 📶 Internet: stable connection to Wi-Fi or mobile network (needed to download the bracelet firmware).
- 🔋 Bracelet charge: at least 20% (at low charge connection may be interrupted).
If your smartphone is older than 2016, you may need to update your firmware or reset your network settings.For example, on Xiaomi devices with MIUI, it sometimes helps to disable the dual apps feature for Mi Fitness, as it can block notifications from the bracelet.
Also check if the phone is running a power saving mode or battery optimization for the Mi Fitness app, which can interrupt background data synchronization to disable optimization:
- Go to Settings → Applications → Mi Fitness → Battery.
- Choose No Limits or Allow background activity.
- Make sure that the application is allowed to auto-start and display notifications.
Installation and configuration of the Mi Fitness application
The official Mi Band 4 management app is Mi Fitness (pre-2021, called Mi Fit), which can be downloaded from Google Play or, if you have a Xiaomi smartphone, from GetApps. It is important to use the latest version, as older releases may not support new bracelet firmware.
After installation:
- Launch Mi Fitness and sign up (or sign in) through your Xiaomi, Google, Facebook or Apple ID account.
- Click Add Device and select the Bracelet → Mi Smart Band 4.
- Allow the application to access geodata, notifications and contacts (necessary for the pedometer and alerts to work correctly).
Install the latest version of Mi Fitness|
Turn on Bluetooth and GPS on your smartphone |
Charge the bracelet to 50% |
Disable VPN (can block Xiaomi servers)|
Make sure the bracelet is not connected to another device-->
If the app does not find the bracelet, try the following steps:
- 🔄 Reboot the Mi Band 4 by holding the touch button for 10 seconds until vibrations appear.
- 📱 In the Bluetooth settings of the smartphone, delete all previously saved devices called Mi Band or MI4.
- 🔧 In Mi Fitness go to Profile → Settings → Clear the cache.
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If you have a smartphone running pure Android (Pixel, Motorola), turn off the Adaptive Battery function in the power settings before connecting. It can block background Mi Fitness activity.
Step-by-step instructions for pairing Mi Band 4
When the preparation is completed, we begin to connect:
- Activate Bluetooth on your smartphone and make sure the bracelet is close (no further than 1 meter).
- In the Mi Fitness app, click Add Device → Mi Smart Band 4.
- The bracelet will have a 6-digit code on its screen, compare it to the code in the app and confirm pairing.
- Wait until synchronization is complete (it can take up to 2 minutes). The bracelet vibrates when connected successfully.
If an error occurs at the interface stage Unable to connect, try:
| Mistake. | Reason. | Decision |
|---|---|---|
| Code doesn't match. | Bracelet connected to another device | Reset the bracelet to factory settings (hold the 20 sec button) |
| No response from the device | Weak Bluetooth signal or interference | Disable other Bluetooth devices (earphones, speakers) |
| Server error | Problems with the Internet or servers Xiaomi | Check the network connection or try again later |
| The device is not supported | An outdated version of Mi Fitness | Update the app on Google Play |
The critical caveat is that if you bought a used bracelet, make sure to reset to factory settings, otherwise it will remain tied to the previous owner's account, and you will not be able to connect it.
- On the bracelet, go to Settings → More → Reset (scroll the screen with swipes).
- Confirm the action by holding the touch button for 3 seconds.
Configure notifications and basic functions
After successful connection, it is recommended to immediately configure notifications and basic bracelet parameters.
- In Mi Fitness go to the Profile section → Mi Smart Band 4.
- Select Call Notifications and Notifications from the apps.
- Check the messengers (WhatsApp, Telegram, Viber) and social networks, alerts from which you want to see on the bracelet.
To save battery power, you can turn off the vibration for unnecessary notifications.
- ⏰ Alarm clocks: up to 10 repeating signals by day of the week.
- 🏃 Sports modes: running, cycling, swimming (bracelet automatically recognizes activity).
- 🌙 Sleep Mode: Turn on Sleep Monitoring to analyze deep and superficial sleep phases.
- 🔒 Phone unlock: If your smartphone supports Smart Lock, the bracelet can unlock it without a password.
How to turn on the weather display on Mi Band 4?
If notifications do not arrive on the bracelet, check:
- 📵 Are notifications for Mi Fitness allowed in Android settings (Settings) → Annexes → Mi Fitness → Notifications).
- 🔕 Is not enabled mode Do not disturb on the bracelet (check in Settings) → Don't disturb mode").
- 🔄 Does it block third-party software (such as Clean Master or Battery Saver).
Updating firmware and solving problems
After connecting Mi Band 4, you may need to update your firmware, improve stability, add new features (such as support for additional languages), and fix bugs.
- In Mi Fitness, go to Profile → Mi Smart Band 4 → Firmware Update.
- If a new version is available, click Update and wait until it is completed (the bracelet will reboot automatically).
- Do not disable Bluetooth or remove the bracelet from your phone during the upgrade!
Typical issues after updating and their solution:
| Problem. | Probable cause | Elimination |
|---|---|---|
| The bracelet doesn't vibrate. | Failure in notification settings | Reconnect the bracelet to Mi Fitness |
| He doesn't show steps. | The conflict with Google Fit | Turn off sync with Google Fit in Mi Fitness settings |
| It's discharged fast. | Background sensor activity | Turn off the permanent pulsemeter in Settings → Heart Rate Monitoring |
| Time is not synchronized. | Wrong time zone | Check the time settings on your smartphone |
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If after updating the firmware bracelet stopped responding to touch, reset through Mi Fitness: Profile → Mi Smart Band 4 → Untie the device, then connect again.
If the bracelet does not turn on or does not respond to charging:
⚠️ Warning: Before you bring the Mi Band 4 to the service, check the charging cable. Often the problem is oxidizing the contacts or using an unoriginal cable. Wipe the contacts of the bracelet and charger with an alcohol napkin and try reconnecting. If the charging indicator does not light up, the battery may be faulty.
Synchronize with Google Fit and other services
The Mi Band 4 can transfer steps, sleep and workout data to third-party apps like Google Fit, Apple Health (for iPhone) or Strava.To set up sync with Google Fit:
- In Mi Fitness, go to Profile → Settings → Account Management.
- Select Google Fit and log in through your Google account.
- Allow access to data on physical activity and sleep.
Please note:
- 🔄 Data is synchronized automatically once a day or when forced to update to Mi Fitness.
- 📊 In Google Fit, steps from Mi Band 4 can be duplicated if the smartphone has a built-in pedometer. To avoid this, turn off Physical Activity in Google Settings (Settings) → Google → Physical activity and well-being).
- 🏃 For accurate training records in Strava, export data from Mi Fitness manually through Profile → Training. → Exports.
If the data is not synchronized:
⚠️ Attention: Synchronization issues often arise from power saving limitations. On Xiaomi smartphones, add Mi Fitness and Google Fit to the list of Secure Apps (Settings) → Battery → Secure Apps: On Samsung devices, turn off optimization for these apps in Settings → Caring for the device → Battery → Optimizing the battery.
Useful life hacks for Mi Band 4
To unlock the full potential of the Mi Band 4, take advantage of these tips:
- 🎨 Changing the dial: Mi Fitness has over 50 free dials available. To install a third-party dial, download the.bin file from sites like AmazfitWatchfaces and upload it through Profile. → Mi Smart Band 4 → Dials → Add.
- 🔋 Battery savings: Turn off the Raising of the Hand to activate the screen and reduce the brightness to 2-3 This will increase the time you work with 15 before 20 days.
- 🏊 Swimming with bracelet: Mi Band 4 has 5 protection ATM, But after a freshwater pool, rinse it under running water to remove chlorine.
- 🔍 If you lost Mi Band 4, in Mi Fitness, click Find the device – the bracelet will begin to vibrate.
For advanced users:
How to activate the hidden functions of Mi Band 4?
If you use Mi Band 4 for training, set your activity goals:
- In Mi Fitness, go to Profile → Targets.
- Set a daily step rate (8000-10,000 recommended).
- Turn on the option of a Reminder of inactivity (the bracelet will vibrate every hour if you sit for a long time).