For several months now, there have been rumours that Samsung’s tri-fold mobile phone may be closer than ever. A U-Shaped Fold, Not an S-ShapeThe leak confirms that Samsung is going with a U-shaped inward-folding design. Many of the leaks so far agree that this device will use a large 10-inch internal screen. But, considering its cutting-edge tech, large display, top-tier hardware, and new folding design, this phone will not be cheap. It might even be the most expensive Samsung device ever.