The iPhone comes with 25 ringtones, with the ability to set a different one to different contacts. But what if default ringtones like Bark, Marimba, Old Car Horn, and Trill just don’t do anything for you? Sadly, with an out-of-the-box iPhone, you’re out of luck—there’s no built-in way to customize your ringtones.
If that sounds like a minor inconvenience, for a lot of power phone users, it’s not. I know—I include myself in that group, and customizing ringtones is usually one of the first things I do when I get a phone.
read it here pcworld