Settings131Select device administrators● : View device administratorsinstalled on your device. You can activate deviceadministrators to apply new policies to your device.Use secure credentials● : Use certificates and credentials toensure secure use of various applications.Install from USB storage● : Install encrypted certificates thatare stored in the USB storage.Set password● : Create and confirm a password for accessingcredentials.Clear storage● : Erase the credential contents from thedevice and reset the password.ApplicationsChange the settings for managing installed applications.Unknown sources● : Select to download applicationsfrom any source. If you do not select this option, you candownload applications only from Play Shop.Manage applications● : Access the list of the applicationsinstalled on the device and check the applicationinformation.Running services● : View the services you are using andaccess them to manage.Storage usage● : View available memory and the memoryused by applications on your device.Battery usage● : View the amount of power consumed byyour device.Development● :USB debugging- : Select to connect your device to a PC byusing a USB cable. This is for application development.Allow mock locations- : Allow mock locations and serviceinformation to be sent to a Location Manager service fortesting. This is for application development.