It takes a few seconds for the screen to change for the color display. http://the-digital-reader.com/2016/05/24/up-close-with-e-inks-new-high-resolution-color-e

It takes a few seconds for the screen to change for the color display. http://the-digital-reader.com/2016/05/24/up-close-with-e-inks-new-high-resolution-color-epaper-displays/ http://the-digital-reader.com/2016/05/24/up-close-with-e-ink... (Watch the video--the flickering are the colors changing.)