Ads keep poping up every 20 seconds or so.

[Android Central Question]

They are not anything bac, but take over the whole sreen. Hundreds a day.

 

[Spelcheker]

This happened to my wife's phone. Somehow she installed some malware. I uninstalled everything I thought could be it, but nothing worked.

Finally did a factory reset and it went away. Had to reinstall her apps though.

 

[belodion]

Do they persist in Safe Mode?