This is the best phone .but sound not good and its battery backup is very good sound respection is not good.but it can use very easy very easy to use.it.its style is sexyest and its ver comfortable its design very nice very very nice so attractive features are very good and easy to use all the features.rialibility is very good of this phone.i think must is durability is very long and its life is very long. yes it is expensive but its good.try it is very comfortable.phone mostly its screen is big.