Working flash backup for recovering bricked R4DS Pro flashcarts. You'll need to flash it using an SPI/NOR programmer or EEPROM programmer (i.e., XGecu TL866II+).
You will need to desolder the flash chip prior to programming - an IC clip will not work!
Flash chip: GigaDevice 25Q16SCP
You will need to desolder the flash chip prior to programming - an IC clip will not work!
Flash chip: GigaDevice 25Q16SCP