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Vivo Shows a Prototype that Changes Colors on Demand
 
vivo tends to push the boundaries of smartphone design; it was one of the first companies to showcase an under-display fingerprint sensor, and now it’s showcasing a design concept using electrochromic glass. The company showed a video of a smartphone prototype with a back cover that changes colors. The video demonstrates the smartphone going from a deep purple to a sleek silver. It’s uses electrochromic glass, an electronically tintable glass typically used for windows and skylights that can be controlled by a user. OnePlus teased a similar concept earlier this year, using electrochromic glass to hide and unhide a rear-facing camera. In the OnePlus Concept, the company was able to shift the glass from transparent to opaque by changing the current and voltage. While the OnePlus concept demonstrated how electrochromic glass can hide components, Vivo’s prototype is much more focused on the design.