Asus has officially revealed the new ZenFone 4 range, featuring six distinct models. The Taiwanese company seems determined to get a slice of the dominant Android smartphone niches with phones focused variously on performance, selfie capabilities and extended battery life.
https://www.notebookcheck.net/Asus-ZenFone-4-series-launches-with-six-models-in-tow.241850.0.html