Most official BIOS updates for the V5 series on Acer’s support site are not Windows executables. They are raw files designed to be run from a bootable USB stick running FreeDOS.
If you successfully navigate the installation gauntlet, the results are generally positive but subtle. acer aspire v5 bios update
The risk-to-reward ratio is too poor for that. Most official BIOS updates for the V5 series