This method allows you to root your ASUS ZenFone 5 without a PC, giving you privileged access to the Android system. It is described as the best, simplest, and quickest way to root a new ASUS ZenFone 5 device for full system control. The guide is from http://www.duetips.com/2014/09/root-asus-zenfone-5-without-pc.html.