Yes, Flash=updating the BIOS. You would first have to find an English version of course. The English language site doesn't mention this model, nor have downloads for any models, and searching for "BIOS" on the
Korean site didn't find anything with the Solo C920 mentioned.
The BIOS update for the Solo 2800 is an ISO file, so you would likely need a CD-ROM to update the BIOS as well.
And while usually safe there is always a chance that if the update goes wrong, it can turn the system into a doorstop, so make sure you have your data backed up
Make sure you have a fully charged battery and are running on AC power. A power outage during an update is never a good thing