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: Plug the USB drive into the receiver's USB port.

: Format a USB flash drive to FAT32 to ensure the receiver can read it. Download GOLDRAY GR500 1507G bin

: Navigate to the .bin file on your USB drive and select it. : Plug the USB drive into the receiver's USB port

: If possible, back up your current channel list and system settings to the USB drive before upgrading. Download GOLDRAY GR500 1507G bin

: .bin (Binary file used for flashing the system memory) How to Install the Firmware