Now your phone is with C_ASIA: English - Arabic - Russian - Turkish - Ukrainian
You must flash with XS++ v3.1 (or Setool) to HONK_KONG.
HONK_KONG: English - Chinese traditional Hong Kong
Use these files:
K800_R8BF003_MAIN_HONG_KONG_WI_RED52
K800_R8BF003_FS_HONG_KONG_RED52
K800i_CDA102511_80_R16A_3_Hong_Kong