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Ifixit gives fairphone 5 a 10/10 on repairability and maintanence
(www.ifixit.com)
This is a most excellent place for technology news and articles.
Well for only 4k, a relatively normal USB-C cable is enough, the fancy cables are for 20 and 40 Gbit/s which is only needed if you gl crazy with your FPS | Hz (more than 60Hz | FPS