Im using asus zenfone 5 since 2 years. and there is no problem with this phone.
like- NO heating issue. battery backup is very good.
smart and fabulous looking phone. I recomded this phone to my friends and they bought it and they are enjoying it. means there is no problem to operating this awesome mobile. so overall its a good choice and its a very good phone.
and best part about this phone is that this is budget smartphones.it means you can eaisly buy it and enjoy its features.
there is no heating problem when you are playing gmaes. Many phones have heating issues but u can play games, listen music, and can use social networking sites eaisly.
if you wanna a new phone then I suggest you asus zenfone 5.