Click pictures to ENLARGE.
I have had the Sony a7 II for exactly a month and this was my 2nd firmware update!
I am NOT used to updating camera firmware that often. But, to be fair, for reasons that nobody seems to be able to explain, my a7 II, with zero shutter actuations, came with downlevel firmware, i.e., version 3.10 which had been released in November 2016, 6 months prior to me ordering the camera.
Updating to 4.0 was a breeze. Updater worked, flawlessly, first time around. Took about 14 minutes from my reckoning, but I wasn’t keeping careful track. It was pretty quick and the progress bar was moving along nicely.
Took about 80 pictures following the update. Didn’t notice anything awry.
This is what 4.0, released just a few days ago, viz. June 8, 2017, is supposed to do: