Read this How to get access to Download Area? - Top Sony Forums and use this 3 files:

MAIN: K810_R8BA024_MAIN_GENERIC_SM_RED53
FS: K810_R8BA024_FS_S_ASIA_LEVAN_RED53 and
CUSTPACK: HB1-06_Gen_CDA102568_110_R8A_GENERIC_S_ASIA_LEVAN