Hi guys, this is a very good product.The special thing about this phone is that it is providing you with more good features in less money.Talking about its operating system, you are getting a good Android OSv7.0 ( Nougat) Which is great.There are so many good features of this phone like 5.0 inch display size, Operating System Octa Core Processor 1.2 GHz, Internal Memory 8 GB and Expandable MemorymicroSDup to 128 GB which I found very good about this phone, This phone supports 4G which is a good thing and battery backup 2800mAh which is fine If my believe wants you to have good Features at low rates then this phone is for you