Sigma ELECTRONIC FLASH EF-630 (Canon EF mount)

Sigma ELECTRONIC FLASH EF-630 (Canon EF mount) firmware

Sigma · ELECTRONIC FLASH EF-630 (Canon EF mount)

Latest firmware for the Sigma ELECTRONIC FLASH EF-630 (Canon EF mount) is v1.05 (August 5, 2021).

Changelog

ELECTRONIC FLASH EF-630 (Canon EF mount) firmware changelog

  1. v1.04 v1.05

  2. v1.03 v1.04

  3. v1.02 v1.03 Fixes flash failure after Auto Power Off recovery

  4. v1.01 v1.02 Fixes distance display unit switching and unintended flash triggering via Sync Terminal.

  5. v1.01 first tracked Fixed flash not firing with X Sync contact in Manual Flash mode.

Firmware history

  1. Version 1.05 Latest Released Aug 5, 2021 First seen Jul 5, 2026
    Show release notes

    It has changed the term​ of flash function to “Transmitter (TX) / Receiver (RX) Recei​ve & Flash (R & FL)”.

    Release notes & download
  2. Version 1.04 Released May 23, 2019 First seen Jul 5, 2026
    Show release notes

    It has become ​compatible with the EOS R and EOS RP mirrorless cameras. Note: To update the firmware, the SIGMA FLASH USB DOCK FD-11 for CANON mount whic​h is updated to Ver.1.01 is required.

    Release notes & download
  3. Version 1.03 Released Jun 12, 2018 First seen Jul 5, 2026

    Fixes flash failure after Auto Power Off recovery — summary by updatemystuff.com

    Show release notes

    It has corrected the phenomeno​n where it does not flash properly after recovering from Auto Power Off.

    • SIGMA FLASH USB DOCK FD-11 for SIGMA with firmware Ver.1.01 will be required to update the firmware.
    • Before updating the firmware of the SIGMA ELECT​RONIC FLASH EF-630, please update SIGMA Optimization Pro to Ver. 1.4.1 or later for Windows, and Ver. 1.4.0 or later for Macintosh.
    • It takes about 3 minutes to update the firmware.
    Release notes & download
  4. Version 1.02 Released Dec 22, 2017 First seen Jul 5, 2026

    Fixes distance display unit switching and unintended flash triggering via Sync Terminal. — summary by updatemystuff.com

    Show release notes

    It corrects the phenomenon that the distance display cannot be switched between meters and ​feet in custom mode. It corrects the phenomenon that it occasionally flashes unintentionally when the Sync. Terminal is used.

    • Please ensure to update SIGMA Optimization Pro to Ver1.4.1 for Windows, and Ver1.4.0 for Macintosh​ before updating the firmware.
    • It takes about 3 minutes to update the firmware.
    Release notes & download
  5. Version 1.01 Released Jun 23, 2017 First seen Jul 5, 2026

    Fixed flash not firing with X Sync contact in Manual Flash mode. — summary by updatemystuff.com

    Show release notes

    It has corrected the phenom​enon that the flash does not fire when using the X Sync. contact in Manual Flash mode.

    • The firmware can be updated using SIGMA FLASH USB DOCK FD-11 for CANON with firmware Ver1.01.
    • Please ensure to update​ SIGMA Optimization Pro to Ver1.4.1 for Windows, and Ver1.4.0 for Macintosh before updating the firmware.
    • It takes about 3 minutes to update the firmware.
    Release notes & download

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