I’ve been using my watch + AirPods as my “dumb phone” for the past few months with decent success. Going back to T9 would be a little much https://www.nytimes.com/2024/01/06/technology/smartphone-addiction-flip-phone.html?unlocked_article_code=1.Lk0.nAJa.9G0LbxiLxsq-&smid=url-share