You actually cannot, it is to do with the downloading software in an iPhone, it's not possible.
You will have to have your friend send it to you via Msn or Facebook maybe, and then put it on to your iPhone via iTunes.
You buy music through the iTunes store and download it to your iPhone.
if you can access itunes on your phone you can download music through there ,but if not you can use itunes on your computer , download them through there and synchronise your iphone with your computer.
You have to convert the music into an ACC format than sync it to your iPhone
After you buy the music in the itunes store you have to sync it.
Yes, you have to have an iPhone to download iTunes to a phone
Download iTunes
you use itunes
Yeah, put it into Itunes and sync it with iphone
Yes just download music
You can't you have download the free app bump and then bump music
You Have To Have Access To A Computer Well You Download Itunes Then Sync Your Iphone To There From Buying From The Itunes Store Or You Download Straight From Your Iphone Itunes By Buying Itunes Card Or Having A Credit Card
sync you Iphone with your Itunes library.