Settings101Quick launch● : Assign a letter to an application to quicklylocate the application by entering the letter in GoogleSearch.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.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 and serviceinformation to be sent to a Location Manager service fortesting. 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.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.