India, Nov. 12 -- Samsung looks like it's ready to take flexible display engineering much further than book-like foldables. Consumers are used to hinge-based devices, but a new tip from long-time tipster Ice Universe (@UniverseIce) on X has revealed that South Korea's tech giant is reportedly working on a new smartphone with a vertically sliding screen that could switch between 16:9 and 21:9 aspect ratios.

Unlike previous horizontal rollable prototypes that expand out into mini-tablets, this idea works vertically. It could offer a compact, stubbier form when closed and a taller, cinematic canvas when extended.

With Samsung reportedly looking into this dramatic transformation, the industry is closely observing whether this innovation can...