Can't get GPS Lock on HTC M8 Currently I have an HTC M8. I bought the AT&amp;T version and converted over to GPE without a hitch. 

Lately I've noticed my GPS apps have not been working. So, I did some research and downloaded GPS ToolBox to try and refresh the A-GPS Data. When loaded, I noticed that it would not lock on to any GPS satellites. It could see 15+ (which i think is pretty decent.)

I did a complete restore after making a backup to no avail. I am not sure what could be the problem, is there a best route in order to troubleshoot this?

I can provide further detail if needed.
I have identified same problem with the stock firmware 4.4.4 even after a factory reset.  This seems to be an issue with the stock ROM.

Other info: I contacted HTC.  First I was told that my phone would be replaced, now I am told it is a known issue and they are working on it.  But I have found very few reports of this problem online.  I would think that it would be affecting a lot more people.