I do flash emmc_appsboot.mbn in fastboot mode, thats processed ok, but no result. Last ROM thats work 7.9.14 :(
Edit: Oh, sory, not success:
C:\adb>fastboot flash aboot emmc_appsboot.mbn
target reported max download size of 536870912 bytes
sending 'aboot' (516 KB)...
OKAY [ 0.045s]
writing...