According to @hwangmh01,
— Ishan Agarwal (@ishanagarwal24) August 24, 2020
Samsung Galaxy S21 Series Code name is 'Unbound'.
3 devices in development: M1, N2 & O3.
The device O3 will have an S-Pen. Rumors about Samsung dropping Note series really coming true? 😮 https://t.co/zqYJxeCPxk