The Galaxy S21 Ultra supports the S Pen stylus, so you can draw and write on the screen. We tried it out and while it's good, it's no Note challenger.
The Galaxy S21 Ultra Can Use an S Pen, But it's Not a Note
Why is there no real competition to Samsung's S Pen? - Android Authority
SUPCASE UB Pro Series Case for Samsung Galaxy S21 Ultra 5G(2021 Release) Without Built-in Screen Protector, Full-Body Dual Layer Rugged Holster & Kickstand Case with S Pen Slot (Black) : Cell
Samsung Galaxy Note 20 Ultra long-term review: Is it still worth buying?
Here's why the Galaxy S21 Ultra beats Samsung's older Galaxy Note 20 Ultra - CNET
5 reasons to get an S Pen for your Galaxy S21 Ultra 5G
Forget the Galaxy Note 20 — Galaxy S21 Ultra will steal its best feature
Samsung Galaxy S21 Ultra vs. Galaxy Note 20 Ultra: Which phone is best for you?
The S Pen stylus support on Galaxy S21 Ultra: features, price, compatible cases - PhoneArena
Compatible Model: The OCASE phone case is ONLY Compatible with Samsung Galaxy S21 Ultra 5G (6.8-inch, 2021 new released). Please note: It will NOT
OCASE Compatible with Galaxy S21 Ultra 5G Wallet Case with S Pen Holder, PU Leather Flip Folio Case with Card Slots RFID Blocking Kickstand [ TPU
Samsung unveils Galaxy S21 Ultra 5G with 100X Space Zoom and S Pen support - PhoneArena
A-creator Galaxy S21 Ultra Silicone Case with S Pen Replacement for Samsung Galaxy S21 Ultra 5G (Black) : Cell Phones & Accessories