The 'Android One' line/programme. Phone has to be pretty stock, and commit to some number of years of updates and more of security updates in order to qualify.

The 'Android One' line/programme. Phone has to be pretty stock, and commit to some number of years of updates and more of security updates in order to qualify. Or of course a Pixel, though if you don't use all of Google's stuff you might consider they come with more 'pre-installed bloatware'. They'll also probably always be supported by Lineage, so you could install that when official updates dry up, or just from day one to avoid 'bloat'.