Info 2 Lte fix for metropcs mega 6.3

Hello guys,
I have recently been trying different ROMs for my MetroPCS Mega and for the past couple of months I have not been able to get LTE to work.
BUT.....
I HAVE FOUND THE FIX!!

IT WAS SO SIMPLE!!

These are the APN Settings:

Name: MetroPCS

APN: fast.metropcs.com

MMSC: http://metropcs.mmsmvno.com/mms/wapenc

MCC: 310

MNC: 260

APN type: default,mms,supl <------ THIS IS IMPORTANT

APN Protocol: IPv6

APN roaming protocol: IPv4