the new Android 4.1.2 JB firmware XXELLC for SGS3 I9300 just released today for Spain, and other Eurpoean Countries including Austria, Belgium, France, Germany, Hungary, Italy and United Kingdom


firmware details:
pda: XXELLC
csc: PHEELL3
build date: 03 Jan 2013

download link:
I9300XXELLC (by sammobile)