I hate to say it, but I picked up a SIN card for another network to test it out, and no more connectivity issues. Pop the Fido card in and it's right back to phantom disconnects. So unless everyones' sin cards went bad, there appears to be an issue ...
I have the same problems with my G5 H831. Randomly losing data connection while connected to network (but the kids can still get internet through my hotspot?!) and my fingerprint reader doesn't even register even more. It's been frustrating as hell, ...