Why does Ads pop up when i unlock my phone or open my messages?

[Android Central Question]

Lately, and i havent downloaded any new apps when i go to unlock my phone ads like uber and trulia take over my screen.

 

[Javier P]

Welcome to the forums. Those ads are caused by an app that you installed and they probably started after a recent update. This guide can help you to identify the culprit. Tell us how it goes.

https://forums.androidcentral.com/showthread.php?t=952204