It's actually confirmed, I was alerted by the airline via text they moved the flight to an A380 and it's public in articles now as well.
Originally Posted by
Hezu
So far it is just a rumour that Norwegian might lease HiFly's A380 at some point. Little Internet browsing reveals that the first HiFly A380 customer was Thomas Cook Scandinavia for one off charter to replace a broken A321 on CPH-LCA route and the next customer for this plane looks to be Air Austral on CDG-RUN route.