Yes it is an old thread, but I stumbled across this while searching for the same problem.
Probably it can only be flashed by opening up the device, access the debug ports and flash it via ST-LINK / SWD. See My Post how I got mine running again
Yes it is an old thread, but I stumbled across this while searching for the same problem.
Probably it can only be flashed by opening up the device, access the debug ports and flash it via ST-LINK / SWD. See My Post how I got mine running again