I found this well-explained process done by #netnick
https://www.drive2.ru/l/489376958556144044/ it's in Russian but with googletranslation, we can understand.
however, I have some questions :
1- what is the utility of OABR connector? coding? we can't do the coding only by USB or by ODB2 ?
2- Screen connector It is necessary to cut off, to cat what exactly?
3- USB connector: remove all unnecessary and turn 180 degrees?