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Not available if Eye-Fi card is locked., Nikon

What it means: The Eye-Fi card is write-protected. What to do: Slide the card's write-protect switch to the write position.

2Nikon manuals we read list this message

What to do

  1. Slide the card's write-protect switch to the write position.

Other Nikon messages

Sources

  1. Nikon online reference guides, one per model, checked Oct 6, 2026

Each value is checked automatically against the source it links, on the date shown. How we build these pages

† What it means and What to do and What its manual also says: restated in plain words from the sources linked here; each source has the exact wording.

In the 2 we read

Same steps on all
CameraWhat its manual also says†
Nikon D7500If an error persists, consult a Nikon-authorized service representative. Turn the camera off to confirm card insertion. Wait for internal circuits to cool if temperature is high.
Nikon D850If an error persists, consult a Nikon-authorized service representative. Turn the camera off to confirm card insertion. Check printer manuals for details.