If you can update the fireware of ESC you can try the bootloader
Recently some customers tell us they can't update the fireware successfully . The solution is :
1、You can download the VESC tool from offical website VESC Project to have a try
2、Before you update fireware you can try the bootloader several times ,which is shown below
If it doesn't work ,welcome to get touch with us ,we are willing to help you!
Twomotor Service Team Waiting for you