Most Popular Phone-Apple iphone 4s

Apple Iphone is very powerful brand ,very powerful. Every one evry age people likes to buy iphone.
I phone touch sensitivity is marvelous. In srilanka, mostly young crowd is addicting these iphones. Normally iphones are very high in prices. iphone 4s i i think 500 dollars I think.
Now some Markets are very low about this matter. Now the two contestants are Apple Iphones and Android Phones.
I am keen to buy apple iphone near future. There are options that we cant expect all are very complicated. Wow what a invented. Share your ideas also...