[SOLVED] Latest firmware for MBL and MBLD?

Thank you for the link, on further exploring your suggestion I came upon this one I overlooked the first time.
http://support.wdc.com/KnowledgeBase/answer.aspx?ID=7

This was the confirmation I needed to be shure of the actual valid newest firmware for MBL and MBLD.

From there I could continue with solving the troubble with updating.

No update possible …