App Features : 1] About your phone : - System, Cpu , Battery & Memory information. - Network , sim , features of device information - User apps and system apps information. 2] Phone test : Test the following tools of your mobile: Audio , Screen display , Touch screen , Gps status , Camera test ,Sensors test , Torch test , ports test , finger lock test(if feature available in device) , Hardware buttons test. Permission 1] Location : To get Gps status 2] Camera : To test camera and torch. 3]Phone : To get sim status.