Okay, I'm a bit bored, so here's my complete mobile phone history, lol. 
1998 - Nokia 5110.
1999 - Nokia 3210.
2000 - Nokia 8210.
2001 - Nokia 3310.
2006 - Nokia 6680.
2008 - iPhone then iPhone 3G.
With the first 4 Nokia's above, there was very little,(if any) extra functionality added. As far as I could tell, it was pure cosmetic changes, lol.
1998 - Nokia 5110.

1999 - Nokia 3210.

2000 - Nokia 8210.

2001 - Nokia 3310.

2006 - Nokia 6680.

2008 - iPhone then iPhone 3G.

With the first 4 Nokia's above, there was very little,(if any) extra functionality added. As far as I could tell, it was pure cosmetic changes, lol.