Sony has released a new firmware update for the A7II full-frame mirrorless camera.
New firmware update version 3.20 for Sony A7II adds support for the new Sony Wireless Radio Flash Commanders.
Sony radio flash system provides effective remote control of up to 15 separately available FA-WRR1 Wireless Radio Receivers from up to 98.4′ away thanks to a 2.4 GHz radio system. You can see the firmware details and download links below.
Sony A7II Firmware Update 3.20 adds support for wireless radio flash
This utility updates the ILCE-7M2 camera firmware to version 3.20 and provides the following benefits:
Improvements over version 3.10:
Adds support for the Radio-controlled Lighting System
For MAC 10.10 and 10.11 users, it is advised that that you will need to first install Mac Driver Loader before running any updates.