I brought this device in april 2015 and till now there is no issue regarding bettery, Display, Sound, Camera, etc. The mobile is easy to use and has wide variety of functions.Let me give you a brief idea of the device. the design is awsm which is slim and weightless.
It comes with,
1.2gb RAM, 16 gb Internal storage.
2.16 megapixel rear camera with 5 mega pixel front camera with HDR, Face detacacting sensors.
3.It comes with gorilla glass 4.
4.Bettery life of 2950 mah with li-on technology
5.It has snapdragon 810 processer.
There is only 1 disadvantage which is, it does not support 4g( e700h)
Other model which are upgraded supports 4g.