I have the virgin mobile CDMA USA and have LTE
Chop chop and twist for camera work
MMS works instantly
For an alpha its quite usable for now. It was a little buggy after the first boot and I was skeptical lol, but a reboot and its been nice and smooth for the last 30 min of playing with it.
I did not flash any APN fix or any mods.
I used openGapps arm 7.0 pico gapps.
Thank you once again Alberto!