Use A2uploader from here: a2uploader and CID53? - Top Sony Forums and these files:

W995_R1EA028_MAIN_GENERIC_HI_RED53
W995_R1EA028_FS_APAC-ANZ_RED53
C905_1209-4765_R7A_GENERIC_APAC-ANZ (no problem with C905 custpack, because W995 use same)