Settings100Accounts and syncChange the settings for the auto sync feature or manageaccounts for synchronisation.Background data• : Select this setting to use the autosync feature. The auto sync will run in the backgroundwithout opening applications and synchronise data.Auto-sync• : Set the device to synchronise contact,calendar, and email data automatically.PrivacyChange the settings for managing your settings and data.Back up my data• : Back up your device’s settings to theGoogle server.Automatic restore• : Set the device to restoreapplications' data you backed up when they are installedin your device.Battery use• : View the amount of power consumed byyour device.Development• :USB debugging- : This is for application development.When your device is connected to a PC with a PC datacable, the USB debugging mode will be activated andSamsung Kies will launch automatically.Stay awake- : Set the device’s screen to stay on whilecharging the battery.Allow mock locations- : Allow mock locations andservice information to be sent to a Location Managerservice for testing. This is for application development.Samsung Apps• : Select a network connection (WLAN orpacket switched data network) to get application updatenotification from Samsung Apps.This feature may be unavailable depending on yourregion or service provider.