There’s a rumour that the upcoming Samsung Galaxy Note 3 will have a 6.3 inch screen. Read more about it here.
However, Know Your Mobile suggests that the phone, slated for release late 2013, might well have a 5.9 inch screen, and improved stylus performance, which is currently lacking on the Note and Note 2, when compared to the Wacom digitizer powered S-Pen that comes with the Note 10.1 tablet.