im now using a china java based touch screen phone but my drem is a iphone

im a average boy that is using a cheap china touch phone but my dream is that i want to buy a iphone 4s but im unable to buy it bcause of that im living in pakistan that is a pour country here is no contract plans for buy a mobile is not available like u.s.a so im thinking abt that i can try to come to u.s.a for higher education but now im reading in class 9th so i have to wait 3 years until i complet second year in collage then i will come to u.s for get addmision in B.C.S at michighan university