It has software update from 5.1.1 to 6.0.1 , so friends dont do this update. device performance is not suit to 6.0.1 and phone getting slow / jammed / not supporting to apps and so many difficulties. other than this update this is a good phone. it have also a scren protection problem no gorilla glass available that why tha protection in not good to scren. The 1 more problem is selfi camera after the update the selfi pic are click blury the selfi pic quality is poor after updates the phone.