I will sharing with u my personal opinion for this device .
1.display - this is very bright and sharp.touch response very. smooth.i m very happy to use this device .
2.Sound: it's sound quality is better than other phones I used.
3.battery : it's battery back up is too durable.i use it more and more and it's battery doesn't fedup me.
4.build: solid and nice looking cover.
So I prefer to all to buy this phone.