How To flash carrier branded N920P with international version?

I'm trying to flash Sprints N920P with international unbranded firmware. phone is rooted, TWRP already installed and OEM unlocked.
Tried to flash N920CXXU1AOI3_N920COXE1AOI3_SER with odin but failed.
could you please give me any advise?

best regards,

Zaza