Why are adds popping up on my lg k20 even when looking at photos or texting?

[Android Central Question]

or texting, or doing anything on my phone.. Sometimes they will pop up 2 or 3 xs within a minute or less

 

[B. Diddy]

Welcome to Android Central! Something you installed is most likely serving up those ads. Are you using the stock Gallery app or a 3rd party one you installed from the Play Store or some other source?

See this guide: https://forums.androidcentral.com/a.../901497-full-screen-ads-how-find-culprit.html