(adsbygoogle = window.adsbygoogle || []).push({}); can i use JB2USB as a downgrade dongle with the appropriate hex added to it. just wondering if the board on it is compatible also. thanks.

1234567890

He was asking about a dongle that can be used to place the PS3 in Factory Service Mode, not a hardware flasher.
People ask questions in here expecting to get valid answers, don't answer them if you haven't a clue.

In response to OP's question, I Googled it and I couldn't see anything, but you shouldn't give up hope! Google it, I'm sure something will come up.
Regards.