Auf Thema antworten

Hi sorry for this being in English as I am from Canada, but here are some suggestions.  I have the same controller and flashed via ST Link recently.  It’s not clear how you powered it and where you connected the other 2 pins by the picture.  Also, I used the 2 connectors near the center capacitor on the main board and had to scrape away the silicone.  I also powered from the stlink to those 2 pins you are showing.  So all 4 pins connected to the stlink. If you are using a separate power source, grounds need to be common.  This info is all on this forum if you search.