And the Fairphone 2 camera module (even though there was no Fairphone 2+ marketed back then, newly produced Fairphone 2s simply got the new module and users with the old module could buy the improved one and upgrade) …
https://www.fairphone.com/de/2017/09/20/new-camera-modules-make-the-fairphone-2-upgradeable/
https://forum.fairphone.com/t/new-fairphone-2-camera/32608
And they had to design and use a different Fairphone 2 display module (requiring different software then), too, because the initial display vendor stopped producing …
https://www.fairphone.com/de/2017/11/16/supply-chain-stories-what-happened-to-our-displays/
https://forum.fairphone.com/t/how-to-recognize-the-new-fp2-display-module/35519