Full Screen Ad Appeared

[sabermanX]

I unlocked my phone and there was a full screen ad. As far as I know I do not have any ad supported software and nothing was running in background.
The phone looked like:



What could have caused this?

 

[anon(8657436)]

I unlocked my phone and there was a full screen ad. As far as I know I do not have any ad supported software and nothing was running in background.
The phone looked like:

View attachment 64862

What could have caused this?

Looking at the dots on the bottom I believ it's an app's starting screen that you left open! Maybe? :?

 

[beerme1]

Is it Verizon? I read something on their web site I think pertaining to XLTE that they would be doing something funky with ads.