When I try to sign in, it simply won't connect at all, despite the Wi-Fi connection being present. (Right now, Wi-Fi is the ONLY way I can get on the internet with my Optimus S.) It says "Unable to open connection to server"...
Another thing: Not sure if this happened to you or anyone else, but when it's specifically linked to the computer (USB mass storage mode ON), the Home button won't work AT ALL...aside from holding it to bring up a bar at the bottom of the screen with icons for Music, Browser, and Play Store. The Home button is perfectly FINE otherwise, so maybe it's just a fluke or something? And this in particular never happened when I was running CAI, so I have no idea what to make of it. (Just curious: did the original Optimus V version have this problem?)