A foldable phone is already an admittedly impressive milestone for Samsung and the mobile market in general but the actual vision for such devices doesn’t stop there. Although not exactly essential to the concept of a foldable device, the use of a stylus on what looks like a digital book or notebook has almost become expected, especially if the Galaxy Z Fold is meant to replace the Galaxy Note line. That may finally happen next year but it will require a rather big change in Samsung’s S Pen technology.
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https://www.slashgear.com/galaxy-z-fold-3-might-come-with-a-new-but-different-s-pen-22643921/