asus k00e bootloop help

hi all brothers
droidboot menu:
ifmi version: 54.37
serial_num: 0123456789abcdef
droidboot_version: 2.0
prouct: ww_epad



tested zip file:
UL-K00E-WW-7.6.0.0-user.zip
UL-K00C-WW-11.4.1.30-user_2.zip

i get error
unable to write /cache/recovery/command file!

tested raw file:
ME372CG_all_WW_user_V7.5.2.raw

i get error
flash droidboot failed

any body have idea?