I am new to this, I didn't know there were different areas to go to for help, Hi my name is greg, I just recieved my new samsung galaxy S G4, I am concerned about the memory available, does anyone know if after you have used up the internal 512 memory, does the phone then start using the memory card, and if so is it smart to change it out to like a 32gb?thanks,can anyone help a newcomer? thanks again, Confused????????