After performing a full Hard Reset, the Xiaomi Mi Band 4 fitness tracker returns to factory status, which means that all previously stored user data, account bindings and Bluetooth settings are deleted from the deviceβs memory. At this point, the bracelet goes into the waiting mode of pairing, displaying on the screen. QR-code and waiting for commands from the mobile application.
To successfully restore the device, you need to re-register in the Mi Fit (or Zepp Life) or Xiaomi Wear application. The process is simple, but users often face situations when the phone does not see the device, or sync is interrupted at the initial stage, this can be due to a Bluetooth cache, an outdated version of the software or a conflict of profiles.
In this article, we will discuss in detail the algorithm of actions that ensures the correct connection of the tracker to the smartphone. We will look at the nuances for Android and iOS operating systems, and also provide solutions for common technical errors that occur when re-authorizing a device.
Preparation of the smartphone and the Mi Fit application
The first step before trying to pair is to install or update official software. Currently, the main application for working with the Mi Band 4 is Zepp Life (formerly known as Mi Fit). In some regions, the Xiaomi Wear app is also used, but the functionality of Zepp Life is considered more stable for this model.
Make sure your smartphone has geolocation and Bluetooth services enabled.Modern versions of Android operating systems require access to the Internet. GPS search BLE-Without geo-positioning enabled, scanning may not yield results, even if the tracker is in close proximity.
It is also critical to remove the old device profile from the list of conjugated gadgets in the Bluetooth settings of the phone itself. If you previously connected the bracelet, the system could save it as a "forgotten" device with an error. Find in the Settings list β Bluetooth β Mi Band 4 and click "Forget device" or "Cancel pairing".
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Before you start installing the app, go to Bluetooth settings and make sure there are no duplicates of your LE bracelet or digital code.
Step-by-step instruction for pairing
The process of connecting Xiaomi Mi Band 4 after reset requires a strict sequence of actions. Open the installed Zepp Life app and log in to your Mi Account or social network profile. On the home screen in the upper corner, click on the profile icon or plus to add a new device.
In the list of available gadgets, select Bracelets and find the Mi Smart Band 4 model. The application will start the scanning process. QR-The code, and it's supposed to vibrate to signal pairing readiness, and as soon as the phone detects the device, a confirmation request will appear on the screen of the smartphone.
βοΈ Checklist of successful connection
Press the "Connect" button on your smartphone screen, the display will display a vibration signal and confirmation icon, you need to touch the touch button on the tracker to confirm the pairing, and then start synchronizing time and installing the necessary components.
It is important to stay on top of the phone during the initial setup process. If the app requests firmware updates, be sure to agree. Newer versions of the software often contain patches for the Bluetooth module, which eliminates problems with connection loss in the future.
Solving Bluetooth problems on Android
Android users often experience a system blocking connectivity due to power saving settings or privacy restrictions. If your device search is not working, go to Settings β Apps β Zepp Life β Permissions. Make sure toggled is activated in front of Geolocation, Blueooth and Phone.
β οΈ Note: On Xiaomi, Huawei and Samsung smartphones, aggressive energy saving algorithms can "kill" the process of finding Bluetooth in the background. Add the Zepp Life app to battery exclusions or autoboot.
Another common problem is the crowded cache of Google Play services or the Bluetooth system module.Try clearing the Bluetooth service cache through the developer menu or special cleaner apps, but be careful not to delete system files.
Hidden Bluetooth Android Settings
Features of connection on iOS (iPhone)
iPhone owners must consider Appleβs strict security policies. To operate the Mi Band 4, the app must be given access to all requested permissions, including notifications and background geolocation. Without permission to βAlwaysβ for geolocation, the bracelet may not synchronize route data.
If the iPhone doesn't see the bracelet, try rebooting the Bluetooth module. Go to Settings β Bluetooth, turn off the switch, wait 10 seconds and turn on again. Also make sure you have the latest version of iOS installed, as older versions may conflict with the BLE protocols of the new tracker firmware.
A common mistake is to try to connect the bracelet directly through the Bluetooth iOS system menu. You can't do this. The pairing should only happen inside the Zepp Life app. If you see the bracelet on the system list as connected but it doesn't work, remove it from there and repeat the procedure through the app.
Table of error and status codes
During the connection process, you may encounter various indications on the tracker screen or messages in the app. Below is a transcript of the main statuses that will help diagnose the problem.
| Status/Code | Meaning | Action. |
|---|---|---|
| QR-screen-code | Pre-conjugation mode | Launch an app search |
| Vibration + "Cancel" | Request for confirmation of pairing | Press the bracelet button |
| Mistake 10003 | The bracelet is occupied by another phone | Untie the device in Mi Fit on another phone |
| Search... (infinitely) | The problem of Bluetooth drivers | Reboot your phone and bracelet |
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The error code 10003 means that the bracelet is still tied to another Mi Account account, and you must uncoup through the app on your old phone or through the Mi Account website.
What to do if the bracelet is not detected
If after all the manipulations Xiaomi Mi Band 4 remains invisible to the smartphone, try to perform a full reboot of the tracker. To do this, in the bracelist menu, find the System β Reboot or press the touch button for 15-20 seconds (if the model allows hard reset button).
Version compatibility is also worth checking. Make sure the version of the Zepp Life app is up to date. Older versions may not support new hardware bracelet revisions released in later periods. Update the app via Google Play or the App Store.
In rare cases, the problem lies in the hardware module Bluetooth smartphone. Check whether other Bluetooth devices (earphones, speakers) see your phone. If problems are observed with all gadgets, you may need to reset the network settings of the smartphone.
β οΈ Warning: Don't try to connect the bracelet to more than one phone at a time. Mi Band 4 supports sync with only one active device. Trying to connect to a new phone without decoupling from the old one will lead to an error.