Phone manufacturers are offering updates for longer: https://www.gsmarena.com/samsung_pledges_4_os_updates_5_years_of_patches_for_2021_and_2022_flagships-news-5

Phone manufacturers are offering updates for longer: https://www.gsmarena.com/samsung_pledges_4_os_updates_5_years_of_patches_for_2021_and_2022_flagships-news-53070.php https://www.gsmarena.com/samsung_pledges_4_os_updates_5_year... Alternatively, the FOSS community (e.g. postmarketOS) are working on bringing plain old Linux to smartphones. It's not ready yet, but they're making good progress. Many phones now support replaceable battiers: PinePhone Pro, Librem 5, Shift6mq.