IPhone is the king of all mobile I m using iPhone 4s last 2 year and up to now not came any problem and phone sound reception is also two good I m using this and my father, two friend also use this phone this phone is good and smart looking all the features of this phone is two good and money value of phone less because you will get such a good phone I now this phone is coming in high prices but when you will see the features phone the prices is less I will say that only when you are purchasing a new mobile phone you can take this phone only because this phone is the best phone