Since the backlight is still blue light, this doesn't have as great of an impact as you would think. The only smartphone that can completely disable blue light

Since the backlight is still blue light, this doesn't have as great of an impact as you would think. The only smartphone that can completely disable blue light are those with AMOLED screens; and only after being rooted: https://play.google.com/store/apps/details?id=mobi.pruss.GalacticNight https://play.google.com/store/apps/details?id=mobi.pruss.Gal...