In reply to ironass (couldn't quote you since I haven't made 10 posts previously)
My "Version" details as per #1.8 are
AP: G900FDXU1BOC2
CP: G900FDXU1BNL1
CSC: G900FOLB1BOC1
I have a S5 (SM-G900F). I can't find a 4.4.2 firmware file for Canada as the country/carrier on sammobile. Does the country/carrier of the firmware matter? If it helps, my phone is unlocked.