To chose the correct SW version chack the serial number of your instrument:

-	S16D011522062 and othe SNs       -->   H20180322-01      older HMI model   (Ex:S16D009020334, S16C015619112)

-	S16D011622210 and all SNs after  -->   H20210609-01-V4   newer HMI model   (Ex:S16D012022210)