HTC Endeavor ROM was leaked yesterday and the XDA forum members took some screenshots of the Upcoming Gorgeous-looking HTC Sense 4.0 UI, The HTC sense 4.0 was set to be the HTC overlay for all its upcoming ICS phones and it has many improvements and UI enhancements from the old Sense 3.5.

HTC Sense 4.0 is lots of New skins and wallpapers along with some icons changes, Notification bar changes, New Calender, New Contacts app, New Music app. Also the New HTC Sense 4.0 support Landscape Mode almost Everywhere on the phone (lock-screen, menu, setting, home-screen, apps, browser, music... etc)

Enjoy Screenshots Below!