I am one of the customer asus mobile.my first mobile purchase of the asus mobile.nowday I useing asus zenfone 5.totally 3to4 years I using zenfone 5 best perfomance.i change the my phone to select on asus zenfone msx pro.in this phone to specfication to good.asus zenfone max pro to increase the sound qualiy.so I love this Mobile