1. Press the Power/Lock key to lock or unlock the screen. Press and hold to turn on the device or access power, airplane mode, and sound options.
   
2. Press the Volume keys to adjust the volume.
   
3. Tap the Recent apps icon to access recently opened apps. Press and hold to edit the home screen.
   
4. Tap the Home icon to access the home screen. Touch and hold to access Google Now.
   
5. Tap the Back icon to return to the previous screen.
   
6. Insert a microSD card into SD card port for external memory.
   
7. Insert the Samsung charging cable into the Samsung Charging port to charge the device.
   
8. Insert the Micro SIM card into the SIM port.
   
9. The Camera lens is located on the back of the device.