Acer Aspire A315-21 BIOS 1.01 Jun 26, 2017
... code 0x27 after LAN download About OS Independent BIOS: Although installing a newer BIOS version might add new features, update various components, or improve the device's usability, this ... the most commonly used method to flash the BIOS is by creating a bootable USB or CD containing the update file, and running it from DOS. Still, regardless ...