Today, Google updated the Android L system factory image for Nexus 5 and Nexus 7, with the new version code LPV81C, replacing the previous LPV79 version.

The new version of factory image provides some new functions, among which the most prominent function is to support Google Fit and Google Fit Preview client library.

Google Fit Developer Preview allows users to develop and test fitness applications, but does not support users to put the application on Google Play until Google Fit is officially released.

Interested students can click To import the new Android L image, it is necessary to declare that the system is still only a developer version, so it is unstable.

The official version of Android L will not be released until this autumn, when it should come with Nexus 6. Android L has changed significantly compared with previous systems. It adopts a new material design style, uses a brighter and bolder color combination, and its interactive interface is more flat and simple.