Is Save/Load Settings using a memory card possible between the ILCE-7M4 but with different system software versions?
Save/Load Settings is possible between the ILCE-7M4 with the same system software version.
Camera settings that were saved on a camera with an older system software version can also be loaded onto a camera with a newer system software version.
Settings that were saved with a newer system software version cannot be loaded onto a camera with an older system software version.