Try to flash it with CID49 firmwares!!!
Update your EROM!!!
If prog doesn't recognize it when you connect it with "C" try to push the same time 2-5 numbers!!!
It's the best i can do for your problem!!!:D;):p
Friendly
N1Ck
P.S.
Did you try to flash it with DCU-60 Cable and XS++ V3.1???