Samsung s5 - null imei, baseband

I have s5 - sm g900f international and have messed imei, baseband, service log...donno what not...I downloaded firmware and installed after rooting ..seems nothing is working , pls. can any anyone help??
Here goes
pda G900FXXU1BOC7
CSC G900FOXA1BOC7

Pl. can you anyone point to right path?

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