I am using it since 1 year and the speed and smoothness of the mobile are worth the money I paid. Bought it for 14.5k from one of the online sites. Camera ’Carl Zeiss’ is pretty cool and recording is at 720p which makes it cooler. Touch is too good and this 8.1 update made it much faster and responsive. Currently in windows app store we don’t have lots of free apps and those cannot be cracked like Android. But in the last one what I have seen is lot of developers are developing apps for windows also and most famous apps for iPhone n Android are available in market now.
Sound quality is not that great but not bad too either. I use Sony headsets to listen to the music. Nokia mobiles have Mix Radio which is a cool app which allows you to download and or listen to music. My internet will be on round the clock and at the end of day minimum 30% battery will be available and if you’re traveling then also need not worry about the battery. About the build and look, it’s slim compared to its competitors and its designed very nicely.