I couldn’t find any official or widely recognized firmware reference specifically named "ladmv9p6".
Firmware Explained (Types & Functions): For a foundational understanding, this resource categorizes firmware into low-level and high-level types, explaining how they interact with hardware subsystems. Key Firmware Concepts
USB Self-Update: A standout feature is the ability to upgrade or change the board's configuration (to match a new screen's resolution or LVDS timing) simply by loading a bin file onto a USB drive and powering on the board.
Format Your Drive: Use a high-quality USB flash drive and format it to FAT32 to ensure the board can read the data.