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: Format a USB flash drive to FAT32 and download the latest firmware from the official Denon Support site .
The current version will be displayed on your TV screen or the unit's front panel. If it matches the latest version available on the official Denon support site , no further action is required. Step-by-Step USB Update Guide
Warning: Do not turn off the power or remove the USB drive until the process is complete, as this can corrupt the system . 3. Firmware Management and Verification
: Format a USB flash drive to FAT32 and download the latest firmware from the official Denon Support site .
The current version will be displayed on your TV screen or the unit's front panel. If it matches the latest version available on the official Denon support site , no further action is required. Step-by-Step USB Update Guide
Warning: Do not turn off the power or remove the USB drive until the process is complete, as this can corrupt the system . 3. Firmware Management and Verification