PRIV™ by BlackBerry® - Stop Running Apps
-
From a Home screen, navigate: Apps
> Settings 
> Apps 
. -
From the Running tab, tap an app.
To switch tabs, swipe left or right. -
From the Services section, tap Stop.
Some services or apps may have multiple processes that can be stopped. - From the "Stop system service?" prompt, tap OK.
> Settings 
> Apps 
.
To switch tabs, swipe left or right.