Read here: Flash K800 CID53 with K810 software CID53 (for begginers) - Top Sony Forums and use these files:

W350_R11CA002_MAIN_CHINA_JH_RED53
W350_R11CA002_FS_CHINA_RED53
HB1-06_Gen_CDA102568_108_R11A_GENERIC_CHINA

How to connect to FAR with JDflasher plugin: