Personally I think that one of the disadvantages of the iPhone is; you have to figure it all out yourselve…!
Well; or find it on the internet……
One of the things which was irritating me; scrolling down in the webbrowser and then go back up to the top….
Till today; I was really scrolling all the way back up…..
Then, by accident, I discovered that the screen will go back to the top when you hit the topbar of your iPhone screen…
The one with the time and battery icon on it….!!
Just try it… till now – it does work in all the programs I use; my Email – TwitBird – browser – etc etc.
Hope this one is helpfull to you !!