i've got to Verb Elite. The first one I just update from 3.90 to 4.0, but the second one refuses to update. Garmin express says it's up to date at version 3.90 whatever I do.
Try updating the Virb Elite with WebUpdater. If WebUpdater also shows that the device is up to date, try deleting the GarminDevice.xml from the SD card.
Connect device to the Mac
Double click on the mounted SD card drive (possibly showing as NO NAME)
Double click on the Garmin folder
Drag the GarminDevice.xml file to the trash
Empty the trash on the Mac
Eject the device
Turn the device on and allow it to boot to the main screen
Then try connecting the device to the Mac and try the update again
If that doesn't work, try master resetting the device. How do I perform a master reset on my VIRB or VIRB Elite?
If it still fails to update, contact Product Support by phone for further assistance.