HL7812 EVK - GNSS Not Acquiring Satellite Fix (Firmware 5.4.12.2)

is there any improvement with the latest firmware?
https://source.sierrawireless.com/resources/airprime/software/hl781x-and-hl7845-firmware/hl781x-release-6,-d-,2/#sthash.PY3T2ncn.dpbs

BTW, here says active antenna is not supported:

Lastly, I can see other user can make it work: