wow i just cheked the site for my a7iii and it shows working on the update,,,, i already updated when it was released in oct, what exactly is the issue u are having? i recenty purchased a sony brand uhs card for slot 1 supposed to have the fastest write times, i have decided to shoot in uncompressed raw to see if i notice any quality differences so thats why i got the high speed card. i notice it doesnt seem to write very fast,i see the progress in the bar at the top, and i only shoot singe shots, not using the buffer,doesnt seem any faster than my old non uhs card, is the issue u are having related to read/write speeds?
basically my brand new uhs-I Sandisk extreme card only works in slot 2, however my Samsung card I bought works in both so it’s all good









