I am using this Asus zenfone 5.it is vary good mobile phone .in this mobile phone configuration is this 2 gb ram, 2350 mah battery, 8 mp rear and 2 mp front camera and
8 gb internal. I am using this mobile phone around 16 months that are working good and no any type of issue come in this mobile.this mobile phone is vary comfortable and size is perfect for hand. but battery is not enough for one day.