The most reliable way to update a GX6605S-based receiver is via the method. Prepare the USB Drive : Format a USB flash drive to FAT32 .
Before you start the update process, make sure you: gx6605s s18069 software upd
Flashing incorrect software can "brick" your receiver (make it unusable). Ensure the software you download matches your specific hardware version. The most reliable way to update a GX6605S-based