To ensure you have the correct file for your hardware, confirm your board matches these typical specifications: NationalChip GX6605S (C-SKY architecture). RAM: 64MB DDR2 (Internal). Flash Memory: Usually 4MB SPI Flash (8-pin chip).
Finding and Using a High-Quality GX6605S S18069 V1 Dump File
Look for the white silkscreen text "S18069 V1" printed directly on the green or blue PCB. Why You Need a High-Quality Dump File
Because these files are used to recover "dead" receivers, you usually cannot install them via USB. You will need one of the following methods: