Because they release i and s versions after the initial. Remember the iPhone 3, then 3G, then 3Gs, then 4, then 4s.
You mean iphone 2g aka 1 gen and first iphone june 2007
IPhone 3g 2nd gen July 12 2008
When iphone got hype since..
IPhone 3gs 3rd gen june 23 2009
IPhone 4 4th gen june 25 2010
IPhone 4 s November 2011.
You mean iphone 2g aka 1 gen and first iphone june 2007
IPhone 3g 2nd gen July 12 2008
When iphone got hype since..
IPhone 3gs 3rd gen june 23 2009
IPhone 4 4th gen june 25 2010
IPhone 4 s November 2011.