i'm getting this error
C:\Users\SeaGer\Desktop\fastboot>fastboot oem mb 9C068490 1 30
... INFO[ERR] Command error !!!
OKAY
C:\Users\SeaGer\Desktop\fastboot>fastboot flash hboot hboot_buzz_7225_1.01.0001.
nb0
sending 'hboot' (512 KB)... OKAY
writing 'hboot'... INFOsignature checking...
FAILED (remote: signature verify fail)