Reflash with
C905_R1BA042_MAIN_GENERIC_SI_RED52
C905_R1BA042_FS_HONG-KONG_RED52, then customize with
C905_1209-4771_R6A_GENERIC_HONG-KONG :
http://www.topsony.com/forum/a2uploa...ng-t16484.html
You should get English and Chinese traditional Hong Kong.