It is suggested to click the recent task key (box key) in the navigation bar, and the application occupying memory will be displayed. Slide the application left or right or click the "x" on the application to clear it from memory. You can also click the Recycle Bin button to clear all applications running in the background.

Note: One-click cleaning will not clean locked applications, nor will super applications, such as WeChat, be cleaned with one click.