Several people have reported that Kies throws a warning: "Your device does not support software upgrading via Kies". I also get this with my 2D SGS3. (See: http://www.geekzone.co.nz/forums.asp?forumid=97&topicid=98224&page_no=264 )

Can 2Degrees advise why this is happening? When Jellybean is released those of us who have this issue are not going to be able to upgrade via Kies (which may be necessary if OTA doesn't work). What must be done to fix this? It's only happening on my Kies with 2Degree branded phones.