That’s awesome. You need to be careful in the future though doing this… while it’s pretty unlikely, GPD could release a bios update in the future that uses different parameters in the flash tool command (the "/p /b /n /r /k " part of the command, which basically tells it what blocks of the bios to erase and write to), and if you just copy the bin file to the flash drive with this custom script and run it while not noticing the command changed, you could brick it. I’d advise always checking the install script that comes with each GPD bios file when downloaded to make sure the parameters of the flash command are still the same.
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