DICE really needs to address this.
Well...
I know its a popular demand and for a bit we did have progression in Solo/Co-op mode. Getting badges, titles, cards, skins... it wasn't a problem, you could progress. Even if it was only in that particular mode and to be honest, that was okay SO FAR (next up: fix portal progression).
But... There was NO word or ANY communication about it. Nothing. And then, poof, disabled again... With ZERO explanation.
Granted, its a cheesy way to unlock T1 skins but at least I could play Solo/Co-op because I can't play Multiplayer because of the persistent data error. So at least I had SOMETHING to do while this was being fixed... Now its back to the way it was before, which is fine for attachments but I nearly have all of them, including the vehicle ones (except for SU57).
So basically, there's no point in trying to play now because I can't progress on things I want in the only mode that seems to work...
