<P> The iPhone 4 is a smartphone that was designed and marketed by Apple Inc . Following a number of notable leaks , the iPhone 4 was first unveiled on June 7 , 2010 , at Apple 's Worldwide Developers Conference in San Francisco , and was released on June 24 , 2010 , in the United States , United Kingdom , France , Germany and Japan . It is the 4th generation of iPhone , succeeding the 3GS and preceding the 4S . </P>
<P> The iPhone 4 is a smartphone that was designed and marketed by Apple Inc . Following a number of notable leaks , the iPhone 4 was first unveiled on June 7 , 2010 , at Apple 's Worldwide Developers Conference in San Francisco , and was released on June 24 , 2010 , in the United States , United Kingdom , France , Germany and Japan . It is the 4th generation of iPhone , succeeding the 3GS and preceding the 4S . </P>
when did the apple iphone 4 come out
when did the apple iphone 4 come out
June 24 , 2010
June 24 , 2010