I'm relatively environmentally conscious on this subject, but there are also economic reasons why I don't buy a new smartphone as often as the average person. I used my iPhone SE from 2015 until a few months ago. Twice my son put in new batteries. But now it has become hopelessly slow and it doesn't get updates anymore. I used it to make calls, everything else I do with the ipad mini on the go.
I was also environmentally conscious as my new iphone 12 mini is an original apple refurbished model, so the battery and the case is new from apple the rest is used and about 25% cheaper with full warranty, the same I did with my ipad mini 6 whose predecessor I also had since 2016.
