The Gm3 feed is active and instructions to follow just above from mihaip have been indicated.
But I don't really know if in the current condition of your dreambox it is possible to do so. You don't have an AIO image in flash.
You could take a look or, perhaps, even ask for advice at the link below. Putting a non-original image into the flash of a Dreamone or Dreamtwo and then using an unsupported method to get GPT partitioning I don't think that's a good idea.
Dreambox One rote led blinkt - Dreambox Forum
Hallo,
kann mir einer behilflich sein?
Mein Kumpel hat eine DM One und Open
ATV ! Da hat er ein Update gemacht und nun blinkt die Box rot!
Kann man die Box…
dreambox.de

