FDM-DUO - Firmware upgrade with several versions behind. #eladduo

Christoph K. Schweiger

I bought a second hand Elad FDM DUO which is a couple of versions behind with the Firmware.

Does the Firmware need to be updated in sequence or can I jump to the most recent update?

Currently, my FDM-DUO shows:

RX 01.29, TX 01.28,  USB 4.09,  UI 4.63, FGA 2.0

Thank you all for your help!

Christoph, NE7EE

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