Comparing Apple OS, Windows Mobile & Symbian OS

Mobile OS	Apple 3.1.2 (7D11)	Microsoft Windows Mobile 6	Symbian S60 3rd Edition FP1
Hardware	Need to connect to iTunes before use	Can be tested before purchase	Can be tested before purchase
Restore/ Hard reset	Need access to Internet & iTunes before use	No need access to Internet or PC	No need access to Internet or PC
POP e-mail	Need to store password. Cannot delete e-mails from server immediately	No need to store password	No need to store password. Can delete e-mails from server immediately. Account can reside on external microSD card.
Web e-mail	No issue	No issue	Incompatible with Yahoo
Features	No multitasking & cannot close running app	Multitasking & can close running app	Multitasking & can close running app
Web browsing	Using Safari, can clear history, cookies & cache. Turn on/off pop-ups, JavaScript, plug-ins & cookies	Using Opera Mobile 9.5, can delete history, cookies, cache & form/password data. Turn on/off pop-ups, JavaScript, plug-ins, Flash plug-in & cookies	Using S60 browser, can delete history, cookies, cache & form/password data. Turn on/off pop-ups, Java/ECMA script & cookies