What the keys do
The navigation key. Press the edges to move around menus and icons. 
Pressing the centre (     ) selects the centre option (usually Open) shown at 
the bottom of the screen.
Youcansometimesuseitasascrollkey.Rubyourngerinacircularmotion
aroundtheedgeofthekeytomovethroughsomemedialesandotherlists.
The Call key makes and answers calls. In the Home screen, it opens Dialled 
numbers (press tu for other calls).
The End key ends calls. Press it to return to the Home screen.
The left and right soft keys select the options on the bottom left or right of 
the screen.
The Menu key. This opens the main menu.
The Clear key. Deletes text, numbers and other items.
The GPS key opens the satellite navigation program.