I used this phone, according to user interface is not user friendly. in this phone total space 16 GB which is sufficient but after download 3-4 app, it show only 2-3 GB remains. not able to download app to SD card, after on 4-5 app it use more battery, and creating heating problem, this is 4G enable but there is no any voice and video calling facility. in this phone touch won’t work properly, after switch off phone when it work again. play music and video sound is not clearly, play after 30 min occurring a problem to not responding music player.