: Go to System Information in your receiver's menu to find your current Hardware (HW) version. For the S18069 board, this is commonly HW203.00.001 .
If your receiver is stuck on a "Red Light" or "Boot Logo," you must use an RS232 cable and a PC. gx6605s s18069 software upd
: Insert the USB, go to Menu > Tools > Upgrade by USB , select the firmware file, and start the process. Do not power off the device during this time. 2. RS232 Loader Method (Recovery Mode) : Go to System Information in your receiver's