Select setting for USB connection
Press Applications.
Press Settings.
Press Wireless and network.
Press USB settings.
Press Samsung Kies.
Press the Home key to return to standby mode.
Connect phone and computer
Connect the data cable to the phone socket and to your computer's USB port.
Back up phone memory
Start the program Samsung Kies on your computer.
Select your phone on the list of connected devices.
Select Back up/Restore.
Follow the instructions on the screen to copy data from the phone memory to your computer.
Follow the instructions on the screen to copy data from the phone memory to your computer.