1. The QR code matched on Huawei Health App scanning bracelet. When the bracelet is paired with the mobile phone, the user needs to scan the QR code on the bracelet in Huawei Health App.
2. Check the serial number in Huawei bracelet settings. Users can click the side button on the dial-up main interface of the bracelet to enter the application list, then click "Settings, About" and slide the screen to find the "serial number", which is the QR code of the bracelet.
3. Check the QR code in the WLAN settings of Huawei bracelet. Users can enter the settings of the bracelet, open the WLAN button, click the connected network, and automatically bring up the QR code.