Template:Ninebot ESX DRV Firmware Header
Firmware is the "operating system" of the different parts of the scooter.
To view all firmware files for the Ninebot ESX(ES1, ES2, ES3, and ES4), visit Ninebot ESX Firmware.
DRV firmware is responsible for the ESC and the driving performance of the vehicle.
DRV firmware is also known as ESC (Electronic Speed Control) or "Master Control" firmware.