Originally Posted by btaylor1
this may be a dumb idea but...
when you have good wi-fi coverage, perhaps go to Manage Connections, remove the check from Mobile Network, and put the check only by Wi-Fi. then see if you keep a connection. if with only Wi-Fi checked you do fine, i'm not sure what that proves, but it might be informative somehow. (unfortunately, however, i think you disable the phone while Mobile Network is unchecked.)
That's a good suggestion, in terms of trouble shooting. I'll give it a try.