Javier P
Ambassador
- Feb 21, 2014
- 19,479
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I too have this same issue..
It started after Wednesday 1/30/19 samsung pushed system firmware update.
I dont know how to undo the system firmware update. But i didnt spend nearly $1000 for a cell phone to have ads pop up and cover the entire screen...
Welcome to the forums. You don't need to undo the system update, these ads are being pushed by a third party app. Have you tried the different troubleshooting options posted on this thread?