Yu yureka S is a budget mobile phone. It comes in 3 gb ram and 32 gb rom which is expendable to 64 gb. It has gorilla 3 glass which gives security. It has snapdragon 625 which is good in gaming.It has 16 mp back camera which is greater than redmi note 3. The camera quality is fantastic but we can not find good camera quality in redmi note 3.It has usb otg facility which helps us in many ways. Let me confirm it has not any led light of notification.you can purchase in online market not in offline. The price of this phone is diffrent in many website.So make sure if you are purchasing so check which website is selling on low price.