United Kingdom, Dec. 3 -- Samsung has revealed the Galaxy Z TriFold, a three-panel foldable that marks the company's most radical mobile hardware experiment since the original Galaxy Fold.

At its launch event, Samsung framed the Z TriFold as the culmination of a decade of work in foldable engineering, and a direct answer to a long-standing industry problem: how to cram a tablet-class workspace into a device that still slips into a pocket.

TM Roh, Samsung's mobile chief, said in a statement: "Galaxy Z TriFold solves one of the mobile industry's longest-standing challenges."

Roh called the device "the shape of what's next".

The Z TriFold unfolds into a 10-inch display, effectively the real estate of three 6.5-inch phones stitched togeth...