Difference between iPhone 1st gen & 2nd gen

Hi guys,

If I have two iPhones in front of me and was told that one is 1st generation and the other is 2nd generation, how do I differentiate them?

Thanks a lot.

所有跟帖： 

• easy -ohlalala- ♀ (57 bytes) () 12/02/2008 postreply 09:46:10

• 回複：easy -eBlazer- ♂ (69 bytes) () 12/02/2008 postreply 10:33:24

• simple -ohlalala- ♀ (363 bytes) () 12/02/2008 postreply 10:44:56

• ok, thanks for the info -eBlazer- ♂ (128 bytes) () 12/02/2008 postreply 10:56:30