Default my htc first brick,need help

Could someone send me the follows files MPRG8930.hex,8930_msimage.mbn和rawprogram0.xml.
my htc first brick and the screen is dark, When connected to the computer , it appears QHSUSB_DLOAD.
I need the files to unbrick my decive, but I can not find on the Internet. Could someone help me.Thanks.