TCL's latest concept phone folds inwards and outwards

TCL seems to love showing off eye-catching prototypes at shows, and today it's doing the same for MWC 2022. Alongside an array of new phones and tablets, the company just debuted a concept device tentatively called the "Ultra Flex" -- a phone with a 360-degree rotating hinge and a flexible display that bends along with it. That means this thing can fold in on itself as well as out towards the world. This is a technically challenging proposition, since the screen has to undergo much more flexing ...