[xavdid]

I have no idea, but it's a constant source of frustration. Sunglasses also lead to failed reads, which makes a little more sense but is just as frustrating. "Here's a new phone. It works great except you can't use it quickly if you're wearing sunglasses. Sorry!"

[bradyd]

It works with some sunglasses. Probably related to the coating on the lens.

[xavdid]

It works occasionally, but unpredictably. Consistently frustrating though