Sound is best. Yu yureka I am proud for yu yureka. Yu yureka design is very very best and looket for design yu yureka or yu yureka features new and bets .i am feel yu yureka is bets mobile money 1000 rupis sports the latest internals and is one of the cheapest devices to offer 4G connectivity and a chip based on 64 bit architecture. The phone is powered by a 64 bit Qualcomm Snapdragon 615 octa core chip with 1.5GHz processor cores, Adreno 405 graphics and 2GB DDR3 RAM