If you don't have root: set your DNS server to AdGuard's. It will block most ads and they have a strict no-logging policy. Otherwise you need to use a local VPN

If you don't have root: set your DNS server to AdGuard's. It will block most ads and they have a strict no-logging policy. Otherwise you need to use a local VPN, but that will prevent you from protecting your privacy with an actual VPN. If you're rooted, just use AdAway.