Andy Rubin's Essential almost has an HTC and LG problem. Its first and so far only phone, the Essential PH-1, was easily a crowd favorite, especially thanks to its quick and regular software updates. Despite that, the phone's disappointing sales have caused the startup to almost give up on smartphones. Almost. Rumors about an Essential PH-2 abound and it could bring the world's first true in-display camera. Curiously, it might also take on step backward as well.