Hello how all,
Could someone please tell me what operating systems are running on the Samsung Phones below. I am a beginning developer and would like to have this info, im not lazy i have been looking for this info but it totally eludes me,

D600
D820
D900
E340
E370
E760
D500
X670
X820
Z540

Or even a previous link that someone has previously visited that i could have a look at
thanks for your time,
michael