* BIOS update recommended in case the system is unstable, or required fixes have been released.
* Incorrect BIOS update has a risk for system brick, therefore follow the guide step-by-step.
* Check for latest BIOS version available [[Fitlet-H: BIOS ROM Files|fitlet-H BIOS ROM Files]] and compare to
[[Fitlet BIOS guide#Main|BIOS Version ]] on your fitlet.
== Preparing the USB Flash Drive with BIOS Updater ==