Look here:

XS++ 3.1 Guide-Flashing,Customizing,Recovering

or

Flash your phone and How to apply or remove patch using SETool 2 Lite

Here can you see description of languages:

Language description

CDA ( custom file )

You should choice this files:

W580_R8BE001_MAIN_GENERIC_LA_RED52 ( Main )
W580_R8BE001_FS_EUROPE_5_RED52 ( Filesystem )
HB1-06_Gen_CDA102568_14_R8A_GENERIC_EUROPE_5 ( Custom file )

Nice day