[Q] Help! Lenovo yoga 2 tab 1050L broke

My yoga 2 1050L broke while I tried to flash it with:
"Rooted_YT2_10_prc_call-blankphone-user-YT2-1050LC_USR_S000018_1409241649_WW21_CN"

It was flashing well untile 88% "unknown commend"

now it's keep opening the bios, and I can't even flash it with the 1050L stock rom