with the UN-BAN hack, would it be possible to download the "suspended" account swf through the element and compare it to a "working" swf of the game and see which hexes are different? Obviously, if there is a BYM UN-BAN hack out there,then BP UN-BAN hack would be simular if not the same since it would make sense with the same company's games... using the same code for a BANNED account would be best of choice since you do not have to re-create the wheel... Im just brainstorming, I know of 30 bans that happened yesterday alone... 20 in one sector!
First off I don't believe there is an un-ban hack for BYM. Even if 1 or 2 people claim to have had it happen.
Second, the game is not actually on Facebook, FB just has an iframe that loads a page hosted at kixeye. When you get banned it is on their servers. As soon as your account tries to authenticate it notices the ban and doesn't even load the same page (into the iframe) as if you were not banned. There is no swf to download, you never get that far. Therefore you absolutely cannot un-ban yourself with any sort of swf hack, be it swf replacement or byte hacks, since there is just no swf to hack.