Function Explanation:
A：The band will push upgrade packages through the Mi Fit APP to update its functions.
1. Mi Fit App: My-> Mi Band-> check and update.
2. If the new version can be updated, click to download the upgrade package.
3. After the upgrade package is downloaded, it will be automatically pushed to the band. After receiving the upgrade package, the band will be automatically upgraded and restarted.
Note:
1. Battery should be maintained at or above 20% when the band is upgraded.
2. During the upgrade process, the band should be connected to the phone, and try to keep the band near the phone.