I got official cm nightlies working with att just download tellinfo and changed to gsm set your apn change apn protocol to Ipv4/Ipv6 and APN roaming protocol to Ipv4/Ipv6 and that's you will have official nightlies working with gsm networks NFC...
Have anyone try this with at Sim card in the us
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You can flash the official cm11 builds for the ls980 download tellinfo from the playstore and select gsm then go to networks and set your apn the latest snapshot
build is working without any problems:thumbup::)
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I have a working motherboard with USB fully functional
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