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WTF
This is run on DFU Mode and loads a secondary DFU-like interface. It is wondered what this stands for.
Version 1
This doesn't appear to do anything. It calls the same functions in the VROM that the VROM calls to run the DFU. The only observable difference is that this WTF is slower. This may also allow large files to be uploaded.
Version 2
Version 2 enumerates a new DFU with PID 0x1227. This DFU does proper signature checking and allows IMG3 files to be uploaded.
