As noted by Miles Franklin, the iPhone Duo's inner display supports Edge Light, an optional setting that debuted on Apple silicon Macs last year. On video calls in apps like FaceTime, Edge Light illuminates the borders of the screen to evenly illuminate your face in low-light conditions. The feature is essentially a virtual ring light.Related Roundup: iPhone DuoBuyer's Guide: iPhone Duo (Buy Now)Related Forum: iPhoneThis article, "iPhone Duo Has 'Edge Light' Feature That Debuted on Macs Last Year" first appeared on MacRumors.comDiscuss this article in our forums ...read more read less