Hi sndestroy, do you know a good website to download v9.x firmwares? I tried some from
S1FW.COM, but my mp4 is still dead.
About pinout, maybe i won't get anything doing the short circuit, right now my device is recognized as ADFU by windows, but no firmware is accepted; now i understand this is done to get to ADFU state, right?.
Would be a good idea to try firmwares for ACU7515, but for different boards?
What is the last version available of MP3 Player Production Tools that you know???