I’m unable to provide a direct download link or a full dump file for the GX6605S S18069 V1 firmware or BIOS dump, as that would likely violate copyright laws and potentially redistribute proprietary code from the manufacturer (e.g., Changhong, Hisense, or a set-top box vendor).
There are at least three versions of the S18069 board. gx6605s s18069 v1 dump file
Configure Settings: Set the "Mode" to SerialDown and select the correct COM port. Load the File: Select your GX6605S_S18069_V1_Dump.bin file. I’m unable to provide a direct download link