You should use:
K770_R8BC004_MAIN_GENERIC_VI_RED52
K770_R8BC004_FS_EUROPE_3_RED52 and as a custom file
HB1-06_Gen_CDA102568_12_R8A_GENERIC_EUROPE_3(assuming your friend doesn't need italian language).
Here's the flashing tutorial:
http://www.topsony.com/forum/se-tool...html#post63634