Sony has released a new firmware update for the A9II v3.10 and A7III v4.01 cameras.
Sony has released a new firmware update for the 'A9II' full-frame mirrorless pgslot camera to version 3.10 with improvements. and fix various bugs as follows
Sony A9II Firmware v3.10 Details (Download)
Improved compatibility with Remote Camera Tool (requires updating to the latest version of Remote Camera Tool).
Fixed an incorrect battery display bug when used with a vertical grip.
Improve the overall performance of the camera body.
Sony A7III Firmware v4.01 Details (Download)
Fixed an incorrect battery display bug when used with a vertical grip.