Looking for Modems . Root Files, and Certs

Hey all I am looking for a good amount of stuff.

I am looking for ROOT files for:
G928A
G920A
G925A
N920A

I am also looking for Certs for:
N920
G920
G928
N910
and a few other lower models must be good for metro pcs looking for bulk

Looking for Modems for:
G928T
N920T
Must be able to be used to do IMEI on z3x

If anyone has files and would like to do some bussiness PM me plz.