Thank you for reaching out to the Samsung community! We would like to inform you that kindly follow given below step:-
Google setting>ads>opt of personalization>off.
Google>setting>ads> Google> web page open> Ads setting> off.
Kindly uninstall UC browser and third party audio/music player and video player (black color).
Uninstall third party file manger if any.
Be sure to hit ♡ when you find an answer that works for you. For Further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/