go to settings>community>superior>personal DNS>verify personal dns supplier host identify and sort “dns.adguard.com” within the textual content field
that is mainly an adblocker that works on the entire system for any app aside from the official YouTube app for some cause.
however if you happen to’ve been getting advertisements on unrelated issues (for instance wikihow giving a full display advert with out you tapping any hyperlinks) I would counsel you wipe your cellphone, there’s most likely malware in it