Private property only
Legal Disclaimer
Read carefully before proceeding
This tool generates custom firmware for electric scooters.

Use on public roads is strictly prohibited. This software is intended exclusively for use on private property (closed circuits, private grounds, testing areas) where all applicable laws and regulations are met.

We accept no liability for any damage to persons, vehicles, third parties, or property arising from the use of generated firmware. You flash your device entirely at your own risk and responsibility.
beta version! v2.1

kasai's cfw builder

Build and patch firmware for your scooter.

tuning profile
22km/h
40km/h
100km/h
police mode
show battery when idle shows battery on screen when not driving

EXPERIMENTAL BMS FIRMWARE
You are about to flash an experimental battery (BMS) firmware.

This can permanently brick your battery, cause overcurrent, fire, explosion or total hardware failure.

We are NOT responsible for any damage, injury or loss. Proceed only if you fully understand the risk.