Sony a7 IV Firmware Update Ver. 1.01 Released ! Sony today has just released new firmware update version 1.01 for Sony a7 IV (B&H/Adorama/Amazon). You can download this firmware here. Benefits and Improvements Improves the accuracy of the Eye AF feature Fixes an issue where you may not be able to take photos when using a SEL2860 lens Improves the operational stability of the camera Related posts: Sony a7R III Firmware Update Ver.1.01 Released ! Sony a1 Firmware Update Version 1.01 Released ! Sony ZV-E10 Firmware Update Ver. 2.00 Released ! Sony a6500 Firmware Update Version 1.02 now Released !