Apple may be using titanium and a ‘liquid metal’ hinge in the iPhone Fold — here’s how this could make it the best foldable phone yet Tom’s GuideA case maker might have leaked the iPhone Fold design MacworldSamsung just solved the foldable crease, but Apple’s solution might be different PhoneArenaiPhone Fold’s titanium & Liquid Metal rumors just won’t go away AppleInsiderThe Galaxy Z Fold 8 might be Samsung’s first foldable to ship without a crease 9to5Google