: If the receiver is stuck on "Boot," you will likely need an RS232 to USB cable (using GX6605 Loader software) or a CH341A programmer to write the dump directly to the SPI flash chip.

: Search for "GX6605 S01 Dump" on sites like Soft4Sat or AllReceiverUpdate .

: Use WinRAR or 7-Zip to extract the .bin file from the archive.

Because these are community-uploaded files, you should look for the exact version GX6605-S01-20140716 on the following types of platforms: