Sigma ELECTRONIC FLASH EF-630 (Nikon F mount) firmware v1.02

Sigma · Released May 23, 2019 · First seen Jul 5, 2026

v1.02 is not the latest firmware for the Sigma ELECTRONIC FLASH EF-630 (Nikon F mount): the current version is v1.03 (August 5, 2021). Go to v1.03

In short — summary by updatemystuff.com

Adds support for Z7 and Z6 cameras and fixes wireless flash overexposure.

  • Added compatibility with Z7 and Z6 mirrorless cameras
  • Fixed overexposure issue when using wireless shooting in slave mode

Written from Sigma's release notes, which are printed in full below.

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What's in this update

It has bec​ome compatible with the Z7 and Z6 mirrorless cameras.

It has corrected the phenomenon whereby it shows overexposure on the slave side when it is used for wireless shootin​g.

Note: To update the firmware, the SIGMA FLASH USB DOCK FD-11 for NIKON mount which is updated to Ver.1.01 is required.

updatemystuff.com never hosts firmware files — always download from the official source.

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Other versions for this product

See the full firmware history for the ELECTRONIC FLASH EF-630 (Nikon F mount)