S4 firmware problem!!

[vishal khatri]

hey!! guys baught an S4 gti9505 from uk and i live in india so......i dont know which one is my device ee or o2 so am confused which firmware should i flash??? and in india samsung service centres have the octacore firmware so??? does the octacore fimware ok for the snapdragon version?? or i should try both the o2 and ee firmwares??


plz help i live in india!