Recently I have purchased this smartphone from the htc store. and I am vrey happy to buy this smartphone. this mobile has 4 gb ram and 32 gb rom and its expandable upto 256 gb. this moible has a 5.5 inches hd display and its front and rear both cameras are fantastic. rear camera is 23 mega pixal and front camera is 8 mega pixal. and this mobile has a big battery and battery talktime is very good. because it has a 3430 mAh battery so you can use it as well as you want.