Please select the folder relevant to the GX's platform as follows: Cerbo GX, Cerbo GX MK2 = einstein Ekrano GX = ekrano Cerbo-S GX = cerbosgx MultiPlus-II GX, EasySolar-II GX = nanopi Color Control GX = ccgx Venus GX, OctoGX = beaglebone CANvu GX = canvu500 Raspberry Pi 2 & 3 = raspberrypi2 Raspberry Pi 4 = raspberrypi4 For more information, see the Firmware update chapter in the manual of your GX device.