Stuck in Recovery topic

i have a problem, i bought this device and when i try to power on it for the first time it goes in recovery mode, it's like there is no software android installed, the error message that appear is this:

E.missing bitmap oem_unlock_bg
(Code -1)
E:missing bitmap oem_unlock_bg_yes
(Code -1)
E:missing bitmap oem_unlock_bg_no
(Code -1)
handle_cota_install: install cwpkg to /data/data/cwtemp/cwpg.zip
handle_cota_install: install cwprop to /data/data/cwtemp/cwprop
E:Fail to open file: /sys/devices/platform/android_usb/hostmode
Write host_mode error
handle_cota_install: Can't mount /sdcard, 1 times
handle_cota_install: Can't mount /sdcard, 2 times
handle_cota_install: Can't mount /sdcard, 3 times
handle_cota_install: Can't mount /sdcard, 4 times
handle_cota_install: Can't mount /sdcard, 5 times


Please help me! Thanks a lot! (Sorry for my english, i'm italian!)

xda-developers