XXDLJ2 is an unbranded Android 4.1.1 JB rom for Samsung Galaxy S3 for France, while
XXDLJ4 is unbranded for the UK region

firmware details:
pda: XXDLJ2
modem: XXDLID
csc: XEFDLJ2
build date: 2012-10-11

pda: XXDLJ4
modem: XXDLID
csc: OXADLJ4 (open Europe)
build date: 2012-10-19


download links:

XXDLJ2 - link 1 (by sammobile)
XXDLJ4 - link 1 (by sammobile)