Hello everyone: I upgraded to version 3.1.2 and download Categories app from Cydia, then iTunes sync some old ring tones. After everything was done, my Settings, Cydia, iPod and many other original icons on the springboard diasppeared. I know it is somewhere in the virtual space in my iphone because I can search for them. But they are not shown on the springboard anymore. This drive me nut. Does anyone know how to show them back on the screen again? Thanks for your help.