But for your main workhorse? Stick to the official updates. There is a reason Nikon calls it "unsupported."
You own a Z8 or Z9, you shoot professionally for paying clients, or you hate troubleshooting. A Note on the Z-Series (Z6, Z7, Z8, Z9) As of 2025, the custom firmware scene for Nikon mirrorless is very quiet . Nikon locked these cameras down tight, and the community hasn't cracked them widely yet. For now, Nikon’s official firmware updates (like the amazing RAW video updates for the Z6/Z7) are better than any hack. The Final Frame Custom firmware is a beautiful act of rebellion. It shows what your Nikon hardware can truly do when the corporate shackles are removed. If you have an old Nikon collecting dust, flashing the firmware might turn it into a cinema camera. nikon custom firmware
Disclaimer: I am not responsible for bricked cameras. Always back up your original firmware and read the instructions three times. But for your main workhorse