adguard have a lifetime membership for 11 bucks available through stack social limited time offer
I'll install firefox on my phone. I use firefox private browsing on pc no ads no popups no ad blocker.
On this phone I stayed logged in. A logout and log in seemed to stop the pop-ups
If you have Google as an exception to your ad blocker, then the ads will show. Unfortunately, Google is experimenting with very intrusive and units.
I also have "Google Don't Track Me" extension as well as UBlock Origin add-on, NO POP-UPS at all