(Image credit: Future) Samsung has been king of the foldable phone business for so long that it should be terrified at the prospect of getting some serious competition. The impending release of the iPhone Fold (or iPhone Ultra if you prefer) could be the thing that finally topples Samsung from its throne. The Korean company looks to be pulling out all the stops to make sure that doesn't happen. That's been particularly obvious from the latest batch of Z Fold 8 rumors, including one from prolific Samsung leaker Ice Universe . They claim Samsung has been working on reducing the crease of the Galaxy Z Fold 8 series — to the point where it's "as impressive as that of the OPPO Find N6 ." Attacking the iPhone Fold where it hurts (Image credit: Majin Bu on X) The display crease has reportedly been a real sticking point for Apple and the iPhone Fold.…