If you think 2K displays are unnecessary for a smartphone, just wait until you see what's coming next year. As Techblog.gr reports, Sharp has already announced such a screen that’ll fit 5.5-inch phablets at some point next year, bringing users an ultra-sharp resolution of 3840 x 2160 pixels, or 806 pixels per inch (ppi).
Sharp just unveiled a 4K smartphone display with a ridiculous 806 pixels per inch