I need the ESS assistant so I have to upgrade to firmware version 2612481.
Followed the instructions in Update firmware document and the video.
Using MK3-USB interface (VE-Bus to USB)
Connection via VE Configure: I can read all data
Upgrading via VE-Flash (version 90.05.154).and windows-10
finds auto detect port COM4
Connect Part 2 -- Error connection Please try again