Warn for backwards (since we can't DFU) and info for missing DFU (since it might still be compatible). Under normal circumstances, a DFU should be available so we'll only log to debug (which is generally off).
Warn for backwards (since we can't DFU) and info for missing DFU (since it might still be compatible). Under normal circumstances, a DFU should be available so we'll only log to debug (which is generally off).