By Leo Kelion
Technology desk editor
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image copyrightSamsungimage captionThe Galaxy S21 Ultra has hardware built into it to make use of the firm's S Pen stylus
Samsung's new flagship Galaxy S smartphone works with its stylus for the first time.
The S Pen is an optional add-on for the Galaxy S21 Ultra. But the move will fuel speculation the firm will phase out its separate Note handset range.
Samsung told the BBC it had yet to make a decision about this.
The company's handset sales have declined more quickly than the wider market. One expert said a streamlined line-up might help address this.