Sony Alpha 7 II (ILCE-7M2) firmware v4.01

Sony · Released May 15, 2019 · First seen Jul 4, 2026

v4.01 is the latest firmware for the Sony Alpha 7 II (ILCE-7M2), released May 15, 2019.

What's in this update

Improves the overall stability of the camera Previous Benefits and Improvements The following benefits and improvements are also included in ​this update.

Improved operability of the camera: Improved operability when AF area is set to flexible spot See here for details.

Added Live View Display into custom button assignation Added Set File Name function Supports visible light LED in external flash for AF (HVL-F45RM) Improved release time lag when wir​eless flash is used Improved overall stability of the camera Improves the symptoms of insufficient light amount at the edge of flash photographed images depending on the shooting conditions with the system software version "Ver.3.20".

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See the full firmware history for the Alpha 7 II (ILCE-7M2)