...My phone is a Samsung Galaxy Ace GTS 5830i.Can someone tell me how to clear the nearly full internal memory and how can I utilise the sd card instead of the memory.Many thanks for any help.
Reading between the lines in the user's manual (which isn't directly helpful in itself) I'd guess that you need to connect the phone to a PC. You'll then be able to view the contents of both the internal memory and your SD card as separate drives, enabling to to transfer files between them in the same way that you'd move files on your PC. (i.e. by 'drag-and-drop' or by 'cut-and-paste').