which cda for k770?

hi, i dont know which cda i shold pick for my phone..

my k770i:
cid 53
r8bc004
12017587

i got main and fs files but which custpack can i take? there are 134!!!
can i just pick one of them? ..of course for te k770i

Same like File System, example:

1. K770_R8BE001_MAIN_GENERIC_VI_RED53
2. K770_R8BE001_FS_EUROPE_4_RED53
3. HB1-06_Gen_CDA102568_13_R8A_GENERIC_EUROPE_4