This is where you are now:
3.0 APIM NAV & NON-NAV Unit Firmware (Production Release, 2017-Pre-2018.5, H-Early J Series)
(Originally Found On 2017/Early 2018 Units That Ship with 2 USB Ports on Back)
GB5T-14G376-AA
HB5T-14G374-CA
HB5T-14G375-DA or HB5T-14G375-FA (HB5T-14G375-CA NON-NAV)
GB5T-14G379-AA
HB5T-14G379-BA
You can go to this safely:
3.2/3.3 APIM NAV & NON-NAV Unit Firmware (Production Release, 2018.5, J-Early K Series)
GB5T-14G376-AA
1U5T-14G374-DA
1U5T-14G375-DA (1U5T-14G375-CA NON-NAV)
GB5T-14G379-AA
JB5T-14G379-BA
Select the proper file for your region.
APIM Firmware Production Releases - Ford / Information - CyanLabs Official Community