Leaker: Foldable 'iPhone Ultra' Will Feature Liquid Metal Hinge

Apple's foldable iPhone ships prototype units to carriers with a liquid metal hinge. The leaker Fixed Focus Digital reports rapid progress in development and production. The hinge technology addresses concerns over durability and mechanical reliability. Apple has not confirmed the device or its specifications. The leak comes one day after a separate report on vapor chamber cooling. Liquid metal hinges are known for high strength and resistance to deformation.