I thought I posted this last evening, must have forgot to press
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Uninstall old assistant software first, decide what version you wish
to roll back to from list below:
5.02 used Assistant 1.20
5.06 used Assistant 1.24
5.08 used Assistant 1.26
Download suitable assistant software from here:
http://www.traderc.com/djiwkm/DJI WKM/
Update firmware as usual, and it should downgrade
Dave
Not sure if you can have 2 versions of assistant on 1 computer,
by installing the other version in a different location.