Home Phones News Galaxy Z TriFold 2 may have the sneakiest S Pen slot yet John McCann / Digital Trends Samsung’s tri-fold phone experiment may not be a one-and-done project after all . A new patent-based leak has suggested that Samsung is exploring a follow-up to its Galaxy Z TriFold phone, and the most interesting part is not just the folding screen. The leak points to a design with an S Pen pocket built into one of the hinges, potentially solving a long-running foldable problem. What’s new in the next tri-fold? In the leaked render shared in the tweet, the foldable display splits by two hingle lines, just like its predecessor. But what sets it apart is an S Pen-like stylus stored vertically along the hinge area. The source describes it as a “patent-based” Galaxy Z TriFold 2 concept, so this should not be treated as a confirmed product design or launch-ready render. Still, Samsung’s larger foldables are natural fits for stylus input, especially when unfolded into tablet-like screens.…