Does anyone know how to update this NFZ after the fact?  Or can it only be done during firmware update?

Mine always fails never getting more than 0% complete.

I have tried the same. Funny enough crasher DJIGO4 the first time it will be used to fly with. But the subsequent times, DJIGO4 is stable. The markings that are in NFZ are also too flawed for it can be used to something here in Denmark so I do not care.

OS is Android 6.x

Regards Leif.

delete and re-install the app. Would help to know what device are you using the FW.

App - 4.0.7 - seems to be slightly less reliable than 4.0.6, but with that said, does the app do a download of NFZ when installed?  I'd prefer not to reinstall and lose my settings.

FW - .600

No notes here on getting the NFZ download?