I reïnstalled IOS34, 36, and 61. After that I could reïnstall the HBC through BannerBomb (great help guys thanks!!), but nothing seems to work. can't start USB loader GX, reïnstall cios rev38V15 fails, tried woninkoko's 4.2 firmware upgrader to reïnstall 4.2 but no go ... Any further ideas?