Hi,
k4 not is good mobile phone but not a better in 12000 price.
its gorrila glass but body is plastic made.
camera quality is good.bt masure issu is phone over heated when I play the game.also I have some wifi issu & call drop problem.s ound quality is best.its inbuild dolby digital system.phone look is good.touch sensitiviry is better.fingerprint sensar.also one mesure issu in phone have 3 gb inbuild ram bt its hang allways.
its not a value for money.