If 5G was the common feature that most smartphone makers were touting last year, this year’s theme seems to revolve around the screen once more. No, not some punch-hole cutout, in-display sensor, or even curved edges. Many if not all high-end phones boast of 90Hz refresh rates or even higher. In a sea of such advanced handsets, Hisense’s next phone will stand out from the crowd with an almost opposite kind of innovation, bringing the world’s first slow refresh rate smartphone with a colored electronic paper display.
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https://www.slashgear.com/hisense-colored-e-ink-phone-is-coming-next-week-13616457/