Finally a .tar file is available to download on sammobile website.
Sent from my SPH-L710 using xda app-developers app
Yes, it works fine with oc4
Im glad this helped others. That method seems to work on newer 4.4.4 roms. Big thanks to fred and the people involved on the original procedure thread for finding this.
WOW Thanks for the help it appears to have worked, it took some trial and error but I think I got it now. Long story short I used RF NV Manager and copied the value from the data table 1877 on the old aws file people were using.
The modified file...
I am using my AT&T Galaxy S5 (SM-G900A) on T-Mobile Network. It is working just fine but the only feature that I can not make work is Mobile HotSpot or Tethering. I get Mobile Data is not available or invalid SIM. Can someone advise please.