Not sure if common knowledge (did not see it on tjc), but you can still install adblock, just need the older version (2.6.6.1 for example):
https://addons.mozilla.org/en-US/fir...rsions/?page=5
Did not manage to disable the non-intrusive ads as the checkbox is unreachable, but copying elemhide.css and patterns.ini from the old phone fixed that (you can see all the xuls here: chrome://adblockplus/content/ui/ but need to enter the address manually, firstRun works to setup the filter subscriptions), also removed the url from about:config where it downloads the whitelist for non-intrusives, will see if that worked, or they come back