[SOP]
1. DOS flash: Please kindly unzip the <NAV50122.zip> under windows mode and do system reboot to boot to pure Dos mode. Then, execute "FLASH.BAT" batch file to update bios under pure Dos mode.
2. Windows flash: Please kindly unzip <Winflash_NAV50122.zip> under windows mode and click "NAV50122.exe" to update bios.
