Settings111Memory usage● : View available memory and the memoryused by applications.Battery use● : View the amount of power consumed by yourdevice.Unknown sources● : Select to download applicationsfrom any source. If you do not select this option, you candownload applications only from Android Market.Development● :USB debugging- : Select to connect your device to a PC byusing a USB cable. This is for application development.Stay awake- : Set the device’s screen to stay on whilecharging the battery.Allow mock locations- : Allow mock locations and serviceinformation to be sent to a Location Manager service fortesting. This is for application development.Samsung Apps● : Select a network connection (Wi-Fi orpacket switched data network) to get notifications for newapplications from Samsung Apps.Accounts and syncChange the settings for the auto sync feature or manageaccounts for synchronisation.Background data● : Select this setting to use the auto syncfeature. The auto sync will run in the background withoutopening applications and synchronise data.Auto-sync● : Set the device to synchronise contact, calendar,and email data automatically.