Huawei bracelet 4 uses version update to prompt how to operate.

When Huawei Health App is set to automatically update the device under WLAN and the bracelet is updated with a new version, in WLAN environment, Huawei Health App will automatically download the upgrade package and push it to the bracelet. When the upgrade package is completely pushed to the bracelet, the bracelet will have an upgrade reminder. Click the touch button to update the version.