i got a white screen that says "reload software: 507"
but its frozen and cant connect to desktop manager. cant even turn it off, same screen appears after a battery pull. is this thing dead or is it going to pull through? its an 8900.
Great! No need to panic; most of this stuff is fixable. Welcome back.
Your profile says you aren't currently a BlackBerry user. Update it and tell us whatcha got! It does help people know at a glance what they are dealing with when you post a question. I'm not a Mac user, but there are plenty of them here to help you out.