Am presently use this mobile. Buy on online Snapdeal 8th july 2016, Price is 4999/-. You can see the logo what you understand every person think it it best music version built in speakers. I think it is good sound but exactly it is very opposite working very low sound. Incoming call hear very low sound am recently go to Service center recently two days back there is not rectify my problem. my mobile IMEI number is 911495354784639 and 4636. This mobile battery is medium. this is 1.3ghz Quad core 8gb internal, 8MP rear camera 5Mp front camera.Camera is no good like 2 mp camera. Very slowly working. Recently this mobile price is in Snapdeal 3999/- Totally this is no good. Videos you can see medium sound is vey low. you put earphone it is also low sound hear. This is very bad performence.