[timofonic]

Originally Posted by kreti

Puedes volver de la 4.4 a la 4.0 con los enlaces que puedes encontrar para tu modelo en esta página (http://ereader-store.de/en/content/8-downloads), y después actualizar a esta versión.

"You can go back from 4.4 with the links you can find for your model in this page, so you can update to this version"
(I'm tired, sorry for my bad translation)

Thanks a lot for replying in Spanish, but I respect the International nature of this community

Really? I thought the logical step was to do incremental updates. That's why I updated from 4.4 using Mfgtool2, then trying to update the firmware again.

Did you update from 4.0 to this last update from December 2015?