Sony Ericsson W300 / Z530
Ditching Protected Files
Because, seriously...the "Please pick up the phone c'mon now please pick up the phone" ringtone was clever for about 10 seconds, but I'll never use it. It's taking up wasted phone memory that could be used for, oh, ANYTHING else.
I'm not afraid of a debrand / firmware flash if that's what it's going to take.