I.Preparing media
 -Put all files found in the package (in the same layout)  to the Disk on key (DOK) formatted with FAT32 to the root directory
 -Insert prepared DOK into target system ( for BIOS update)

II.Updating system:
 -Boot YB3 and pressing "ESC" ofr "F2" enter BIOS->Boot Manager->EFI Internal Shell->Enter
 -Wait until "READY" is shown and system enters BIOSILD directory
 -Type bios_full_dv_5221_4607.efi then ENTER and wait until completion - (please be noted - system will restart several times during the update)
 -After finish  wait again until "READY" is shown if systme boots to EFI shell or OS - then remove DOK






