All peole know that iphone mobiles prices are more than other any mobile.But few people knew that how much it work.just think once time that why the iphone prices is more than other mobiles? I have the answer for this question.Almost now all mobiles have 3gb or 4gb ram but iphone have 2gb but its eqaul to 7 or 8 gb ram.It never been hang or heating problem than other mobiles due to its ram.Its a scratchless phone and look like that u have something good in ur hand.If u buy one mobile phone in 20k but after one year it will have some problem than what u will do ? u will buy another phone but after some year no problem in iphone and still looks new.One bad thing is it have to external storage facility.