This repo will serve as a place to host everything related to the GPD WIN 4. I hope every person that own one of them find these resources useful. GPD Customer support e-mail: kendyz@gpd.hk || GPD IGG: https://www.indiegogo.com/projects/gpd-win-4-smallest-6800u-handheld-console#
BIOS version v0.52 is now available for the 7x40u versions: https://www.gpd.hk/gpdwin42023firmwaredriver