The Asus Zenfone 4 is the smallest and the cheapest smartphone in the Zenfone parents and children, sporting a 4-inch part of a foot open. The between the extremes sibling in the parents and children – the Zenfone 5 is one of the best mid-rank smartphones we’ve pure, giving the Moto G (first gen) a run for its cash. Does the Zenfone 4 put up the same exhibit in the roll order? Peruse our detailed re-examine to fall in with out. - ASUS ZENFONE 4