If your Lishui has (usually SWDIO, SWCLK, 3.3V, GND), you theoretically can reprogram the STM32 chip. But:
Lishui controllers are widely used in e-bikes and can be programmed using official tools or open-source alternatives. Programming typically involves adjusting hardware parameters or flashing new firmware to modify performance characteristics like speed limits and current levels Endless Sphere DIY EV Forum Official Programming Methods Official programming is generally done using the Lishui Controller Programmer software and a dedicated USB-to-serial adapter. opensourceebikefirmware.bitbucket.io Software & Hardware Lishui Programmer : The official Program Downloader is used to upload firmware files provided by the manufacturer or tech teams. USB Programmer lishui controller programming
For most riders, "programming" happens via the e-bike’s LCD display (e.g., SW900, EN06, or KingMeter). This method allows you to change behavior without extra hardware. If your Lishui has (usually SWDIO, SWCLK, 3
The standard way to update or adjust a Lishui controller is using the official . opensourceebikefirmware