The problem was solved when trying to take a photo of the error

Sorry for Google translate. Hello, bought ninebot es4 after rent. Flashed esc. When turned on, the display and Bluetooth do not work. When connected to the second esc, which is flashed with firmware from the lease, the display works. I tried to firmware in two ways: the telnet does not connect, the ...

flashed the dashboards with st-link

Hello, do you have ninebot es? If so, please share the dash firmware

Buy st link v2. Find the firmware you want to install in .bin format. Find a photo of the printed circuit board on which the contacts of the programmer (swdio swdclk) are signed, if you do not find it, then look for the legs with which controller and multimeter. Connect the programmer to the board. ...