tools/gx6605s/gx6605s-generic-sflash. boot at master · c-sky/tools · GitHub.
If the bootloader retains minimal internal communication, flashing can occur without hardware disassembly. gx6605s s18069 v1 dump file top
Navigate to and select the file. 2. Via RS232 Loader (For "Dead" Receivers) tools/gx6605s/gx6605s-generic-sflash