[WindowsCentral.com]

Over the last few days, people have been picking up the new Lumia 950 XL unlocked from Microsoft. The phone supports many LTE bands, which is why it is surprising to see a few people complaining about not getting LTE when they insert their AT&T SIM.

To be certain, the Lumia 950 XL dual-SIM does support AT&T's LTE bands. You can see it in action in our unboxing video. So why are some users having an issue? As it turns out, it can be a complicated mess that falls mostly in AT&T's lap.

Full story from the WindowsCentral blog...