To open the YouTube app
From the Home screen, tap the Apps icon 
(in the QuickTap
Bar) > the App tab (if necessary) > YouTube 
.
Tap a video to watch it or tap the Menu Key 
for
other YouTube options (Settings, Feedback, Help, and Sign in/out).
From the Home screen, tap the Apps icon (in the QuickTap
Bar) > the App tab (if necessary) > YouTube .
Tap a video to watch it or tap the Menu Key for
other YouTube options (Settings, Feedback, Help, and Sign in/out).