Refers to the method of installation; the board is updated by plugging a USB drive containing the file into the board's service port. How to Install R85 V001 Firmware
This is the specific screen resolution the firmware is designed to support. Loading firmware with the wrong resolution can lead to a black screen or distorted images.
Unplug the USB drive and power cycle the board to see the new resolution in effect. Important Precautions
Ensure your USB flash drive is formatted to FAT32 .
Do not turn off the power until the LED stops blinking or changes color (usually to a steady green or blue).
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