Resetting the settings on Xiaomi Mi Band 4 is a common measure when selling a bracelet, eliminating glitches or preparing for a new firmware. However, after this procedure, many people face the problem: the gadget is no longer determined by the phone, does not sync with the application or constantly loses connection. In this article, we will discuss all the ways to reconnect the bracelet to the smartphone, including solving typical errors such as a lack of response to Bluetooth or cyclic reboot of the Mi Band 4.
The Mi Band 4 (codenamed XMSH08HM) features two official Xiaomi apps: the outdated Mi Fit and the current Zepp Life (formerly Amazfit). The choice of the program affects not only the interface but also the stability of the connection. We will look at both options in detail, as well as alternative methods for Android and iOS. If your bracelet is not displayed after reset in the list of available Bluetooth devices, do not panic - in 90% of cases the problem is solved without contacting the service.
Why does Mi Band 4 not connect after resetting?
The causes of the problem can be divided into three categories: software (failure in the application or firmware bracelet), hardware (problems with the Bluetooth module of the phone) and user (incorrect actions when setting up).
- 📱 Application version conflict: If the phone has an outdated version of Mi Fit (below 4.6.0), it may not recognize the bracelet after reset. Similarly, Zepp Life version older than 5.12.0 does not support re-binding.
- 🔄 Incomplete reset: Sometimes users perform a "soft" reset via the bracelet menu (Settings) → Reset), but this does not clear the account link data. You need to use a "hard" reset (see next section).
- 📶 Bluetooth problems: On Android 12+ iOS 15+ There are bugs that caching Bluetooth devices, and the phone can "remember" the old bracelet binding and block the new connection.
- 🔋 Low battery: If the Mi Band 4’s charge level is below 15%, it won’t show up in the list of available pairing devices.
A separate category of problems is regional restrictions: Bandlets purchased in China (CN version) may require a link to a Chinese server in Mi Fit, which blocks the connection in other regions, and this is solved by changing the region in the account settings (this is discussed in the section about Zepp Life).
⚠️ Note: If the bracelet after reset shows ERROR 0x14 or ERROR 0x22 On the screen, this indicates that the firmware is damaged, and in this case, you'll need to flash through the firmware. MiBand4Tool (instruction).
Preparation for connection: what to do before pairing
Before you try to reconnect Mi Band 4, follow the mandatory preparatory steps, which will save time and eliminate common errors:
- Check the firmware version of the bracelet. To do this, click on the wristband touchpad 10 times in a row, the version will appear (for example, 1.0.9.54). If the version is below 1.0.9.38, update the firmware through Zepp Life.
- Remove the old binding in the application: In Mi Fit: Profile → My devices. → Mi Band 4 → Delete.In Zepp Life: Devices → Settings (⚙️) → Disable the device.
Clear the Bluetooth cache
- Android: Settings → Apps → Show Everything → Bluetooth → Storage → Clear the cache.
- iOS: Settings → Bluetooth → Forget this device (if the bracelet is on the list).
- Sign up or sign in to an existing Xiaomi/Zepp account. If you had an account with Mi Fit, use the same data.
- Add the device: Press + Add the device in the top right corner. Select the Bracelet → Mi Smart Band 4. Allow access to notifications, location and Bluetooth.
Pairing.
- It'll be on the bracelet. QR-Code – scan it through the app.
- If the QR does not appear, press the touchpad of the bracelet before vibration (3-5 seconds).
- Select the right region: When you first run the app will suggest you to choose a country. For Russia and CIS, choose Russia. If the bracelet is purchased in China, you may need China mainland (but this blocks some features). → Bracelet → Mi Smart Band 4. Allow all data access requests. The bracelet will show a code, confirm it in the app. If Mi Fit has an error "Device not supported", it means that the device is not supported: 🔹 Select the wrong region (try changing to Russia or Other). 🔹 The app version is outdated (update through the store). 🔹 The bracelet is tied to another account (total reset, see section below) Mi Band 4 hard reset: if nothing helps If the bracelet is not connected via either Zepp Life or Mi Fit, it may have been reset incorrectly. In this case, you need a full (hard) reset that clears all data, including the link to the account. Instruction: Disable the bracelet from charging (if it is connected). Press and hold the touchpad for 10-15 seconds until you feel three vibrations in a row. Release the button, the Mi logo and Reset will appear on the screen. Wait 1-2 minutes until the bracelet resets and shows the welcome screen. After a hard reset, the bracelet will be like a new one, you can connect it to any account. 0x14 and 0x22, If they are caused by a software failure. ⚠️ Warning: Hard reset removes all data from the bracelet, including activity history, alarm clocks and screen settings, and it cannot be recovered after you connect to the application. Zepp Life|Mi Fit|Both in turn|Other|I don't know.--> If after all the manipulations the bracelet is still not connected, check the following points: Problem Cause Solution Bracelet does not appear in the list of Bluetooth Cash Bluetooth on the phone Clear cache (see). section "Preparation") or restart the phone The connection is interrupted on 99% Conflict with another device Disable all other Bluetooth devices (earphones, speakers) The application freezes at the stage "Search for devices" The outdated version of the application Update Zepp Life/Mi Fit or reinstall Bracelet connects, but data is not synchronized Incorrect account settings Check the region in the profile (should match the region of the purchase of the bracelet) Constantly requests PIN-The bracelet is linked to another account Make a hard reset (see paraphrase. Previous section) For iPhone owners, additional recommendation: disable Intermittent Bluetooth scanning in charge saving settings (Settings → Battery. → Low power mode. This feature can block a stable connection to the bracelet. What to do if the bracelet connects but does not show notifications? 1. In Zepp. Life/Mi Fit go to Notification Settings and turn on the option to Show Notifications. 2. On Android, check if notifications are allowed for the app in Settings → Notifications → Zepp Life/Mi Fit. 3. On iPhone, go to Settings → Notifications → Zepp Life → Allow notifications and enable the option to Show on the lock screen. 4. Reset the bracelet (hold the touchpad) 5 seconds before vibration). Reflashing the Mi Band 4 through MiBand4Tool (For experienced users, if the bracelet shows errors after reset, such as: ERROR 0x14, ERROR 0x22 or ERROR 0x33, This indicates that the firmware is damaged, and this is where the utility will help. MiBand4Tool Warning: the process requires technical skills and can lead to a complete loss of performance of the bracelet if you do not act correctly: https://github.com/Freeyourgadget/Gadgetbridge/releases (look for the file MiBand4Tool.zip). Install drivers: Connect the bracelet to your PC via a charging cable (use the original cable!).The Mi Band device should appear in the Device Manager 4 (COMX). If the driver is not installed automatically, download CP210x_Drivers from Silabs.
- Run the firmware: MiBand4Tool.exe --update --file firmware.bin (firmware.bin must be downloaded in advance from the 4PDA or XDA forums).
The firmware process takes 5-10 minutes. Upon completion, the bracelet will reboot and be ready to be set up via Zepp Life. If the screen does not turn on after the firmware, perform a hard reset (see section above).
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Flashing is a last resort. In 95% of cases, connection problems are solved by resetting and setting the app correctly. Only use the MiBand4Tool if the bracelet is completely inoperable.