HOW TO BIOS FLASH Acer Aspire One AOA150 ZG5 to 3309 - YouTube
I used the flash utility instead of the USB stick technique and found it to be flawless. I upgraded from 3114 to 3309! I believe the latest version is 3310. Type in "Acer Support" in Google search to go to their website to find the .zip file needed for th...