Apple iphone 4 was launched in september 2010 it is not a best phone we call it good it has only 16 gb not expandable but iphone 4s is good enough then I phone 4. I also have a iphone 4 it hans very time when itis loaded with data specifications
3.50inch display
512 mb ram
5 megapixel rear and 0.2front facing camera
pros
brand value
cons
1hang
2lower resolution
3apps get closed automatically when we open them