Speed Dial shortcuts were not downloaded
Did you check in Other Speed Dials ?
OMG you are right the bookmarks and devices were hidden there in the mystery label-less white icon, thank you!! It's remarkable how good they managed to hide such an important section with an unlabeled light gray icon mixed with the useless default shortcuts nobody cares about.
Let me introduce the Opera team to a term called usability. There's plenty of important UI design tips there, so check it out. In short: Replace the light gray icon with a large (width:100%) button below the default speed dial icons, and label it as "Import Bookmarks" or anything of the sort.