: Allows users to upgrade or downgrade the internal firmware version (e.g., v1.95, v1.99) to match specific software requirements.
: Many cheaper OP-COM clones use "fake" PIC chips that cannot be flashed. Attempting to use this tool on a non-flashable unit can permanently disable the device.
: Enhanced reliability when writing to the PIC18F458 chip, reducing the risk of killing the FTDI chip common in many "China clone" units.