High Quality Content by WIKIPEDIA articles! The Samsung SGH-U600 is a mobile phone manufactured in Korea by Samsung and is part of the Ultra Edition II series of Samsung phones. It is one of the slimmest Samsung phones to date with a slimness of 10.9 mm, behind the SGH-E840 at 10.6 mm. One of its main features are the call and select buttons, which do not need to be pressed and function in a similar manner to a touch screen.