New S Pen & New Software
We still don't know the whole story but it does look like Samsung is planning to upgrade the Galaxy Note 5's S Pen.
You can also count on new S Pen software and a new mechanism for the S Pen's holster. Galaxy Note 5 design leaks hint at a new version of the S Pen's Air Command feature and a new spring-loaded S Pen holster that will make it easier to get the stylus out of its slot on the bottom of the phone.
You can also count on the Galaxy Note 5 running Android 5.1.1 as its base. Android M simply isn't ready for primetime.
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