Apple , a well known IT company suitated at silicon valley , USA has been inventing excellent cell phone for the human beings that makes the life advance. iphone 4s is among this. 4S is the market lifting phone for apple and has feature to fully blush the owner face . phone like iphone4S is a phone taht has soo much innovating features that can beat the android phone manfactured today. I have been using iphone 4s since 2014 and I had it without any problem in it. I had got a very good resale price also