http://www.youtube.com/mobile
Two different ways to watch!
*Available for Nokia's N73, N95, E65, 6110, 6120 and SonyEricsson k800 and w880.
http://www.youtube.com/yt_mobile_app
Installing the application
1. Using your phone browser go to:
m.youtube.com/app
2. Follow the instructions to download YouTube
3. Exit your phone browser
4. Find the YouTube icon on your phone and start watching videos
I try on my K800 with K810 SW but :
Sorry, your phone isn't currently on our list of supported models. We are wokring hard to expand this list so please check again soon.
<EDIT>
Download: YouTube.jar (256 KB)