How to add an mp3 music as main ringtn in iphone 2.1? Also jailbreak aplication sound

[preguntonontrac]

Well the main question is how to use an mp3 music file for you main ring tone.

also i jailbreaked my iphone and someone told me i can add a mp3 for voice mail and text, any help.

Detaile di am kinda dumb on this. thanks in advance.

 

[iblastoff]

even dumb people should know how to use google.