You were looking for this:
Downloads - R8BA024_RED52 - W580_R8BA024_MAIN_GENERIC_LA_RED52 - Top Sony Forums
Downloads - R8BA024_RED52 - W580_R8BA024_FS_EUROPE_2_RED52 - Top Sony Forums
Downloads - w580custpack - HB1-06_Gen_CDA102568_11_R8A_GENERIC_EUROPE_2 - Top Sony Forums
But I thing that you don't have access to download section. Have you?