Just bought an unlocked i phone version 1.1.1.It came with summerboard and alot of games. it already has apptap installed and updated. My question is this I have downloaded some maps to my puter that are designed for the iphone how do I install them in the maps section of the iphone. I need a step by step as I am ot that familiar yet. thx for any and all help I will read until my eyes bleed to learn this stuff.