Must use A2uploader from here: http://www.topsony.com/forum/post6-p123483.html

and these files (CID52) :

C510_R1DA032_MAIN_GENERIC_KT_RED52
C510_R1DA032_FS_WESTERN-EUROPE_RED52
C510_1220-9648_R12A_3_United_Kingdom

For CID53 version must use these files:

C510_R1FA035_MAIN_GENERIC_KT_RED53
C510_R1FA035_FS_WESTERN-EUROPE_RED53
C510_1220-9648_R12A_3_United_Kingdom