hi my name is james, i have an iphone 3gs 32gb,it packed up on me and the screen went black like the battery was dead !?i plug it into the wall and the iphone says insert into itunes! when i unplug it from the wall the itunes message dissapears?the screen is just black when i insert it into my apple mac ? i have to hold down power and home to see any sort of message ? i tried everything to fix it, restore, putting it in dfu mode nothing ?then one day i left it charging for three days i unplugged it from the wall and the itunes message stayed and it restored! it lasted 2 month ? now its done it again so its been in my draw for 3 month and i want it back ? its not insured and i dont have any money to fix it at an apple store? i have an apple macbook 2010 but i am not very good with computers , please can someone help ??? and explain to me like im a 10 year old using a laptop lol ! any help much appreciated ??? error 1604 and 2001 on itunes i dont think its the battery !