Wes Peterson
Well-known member
Has been released. Minor bug fixes.
nikonrumors.com

Nikon Z9 firmware update version 4.01 released - Nikon Rumors
Nikon released firmware update version 4.01 for the Z9 camera. Here is the list of fixes: The camera would in rare circumstances stop responding or fail to record a video correctly if an attempt for video recording took place after the standby timer had expired then reactivated with [Frame...
