An ECU (Engine Control Unit) flasher is a tool used to modify or update the firmware of an engine control unit in a vehicle. This process is also known as "reflashing" or "tuning" the ECU. The goal of ECU flashing is to optimize engine performance, improve fuel efficiency, or increase power output.
Alex is a developer or a company that creates ECU flasher tools for various vehicle applications. His tool is likely designed to work with specific ECU types and vehicle models. ecu flasher by alex free download 2021