Use this files:
W580_R6BC002_FS_AMERICA_2_RED52
W580_R6BC002_MAIN_GENERIC_LA_RED52
For customization use this: HB1-06_Gen_CDA102568_107_R8A_GENERIC_AMERICA_2


Useful link:
Flash your phone and How to apply or remove patch using SETool 2 Lite - Top Sony Forums