If your version is V1.08 or older, you should update.
Yes, but Acer’s Windows flasher blocks downgrades. You must use the and force flash with the -f flag in the command line: flash.bat -f bios_file.fd . acer aspire es1-512 bios update
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The for a safe v1.15 flash?
After successfully updating to BIOS V1.13, do not simply walk away. Configure these settings for maximum stability. If your version is V1