ok i think i am still running on my origanle bios because i did not flash them with unleash x. but now i whant to custimixe the boot screen i have flubber tool and it work i have the bios on my xbox but i have yet to flash them. the only thing i changed was the boot screen. has any one tried this and sucseeded if not has any one customized there bios flashed them and there xbox still works without problems? also will i lose all my uploaded apps?