Just a while a friend asked me to tell him what to do with YGPS 1.1 APP, that let all permissions enable, camera, microphone, and so on...well, this APP is in fact the"oldest" NSA eyeballing, and comes included on all androids, by the settings of batery power management. So, here it is, to just disable it won't solve the problem, we have to go to system root and delete the APP; the tool is:

 

LINK

https://play.google.com/store/apps/details?id=com.jumobile.manager.systemapp&hl=en