Go to Settings > Cellular > Network selection choose "tap to select" and wait for a few minutes choose the second AT&T option Go to Settings > Access Point choose the second option "AT&T - LTE 2 - Lumia" wait for it to say "active" Reboot phone Note: I tried every other configuration including building a custom APN and Internet profile. None worked. This only took me three hours tonight to figure out... figuring out internet sharing next.
This blog is managed by Kevin McMillen, Founder and President of RyanTech. It is a series of informational wins on bringing our customers to the cloud and our engagements with Microsoft and other partners.