Check and Update Routerboard BIOS firmware

The following article will discuss how to check and update the bios firmware version of mikrotik routerboard
How To check bios firmware version mikrotik routerboard :
* Login from winbox
* Use “New Terminal” and type this script   /system routerboard print
* The output like this
[admin@mikrotik] > system routerboard print
routerboard: yes
model: “450G”
serial-number: “XXXXXXXXXXXX”
current-firmware: “4.17″
upgrade-firmware: “5.15″
* Then upgrade with this script /system routerboard upgrade
* Wait for a seconds and your Bios Firmware now up to date, then reboot.