The Samsung S23 Ultra case is not compatible with the Samsung S24 Ultra due to size, flat screen, square edges, screen sides, etc.
Samsung S24 Series Clear Magsafe Case（US Only)
✔【Fit Perfectly】Precise designed for Samsung Galaxy S23 Ultra 5G only. Completely fit in with Samsung Galaxy S23 Ultra face id function, speaker,
ANTSHARE for Samsung Galaxy S23 Ultra Case,Waterproof Samsung S23 Ultra Case with Built-in Screen Protector Heavy Duty Full Body Protective Case for
Which cases you are using with your Galaxy S24? I'm going super simple with an Aramid Carbon fiber case. Looks great with Gray finish. : r/GalaxyS24Ultra
Tongate for Samsung Galaxy S23 Case with Sliding Camera Lens Cover & Screen Protector, [10FT Military Drop Protection] Rugged Shockproof Phone Case for Samsung S23 with Kickstand Case, Black : Cell
Will Samsung Galaxy S23 Ultra Case Fit on Galaxy S24 Ultra?
The Samsung Galaxy S24 Ultra Has New Cases from ESR First Look
Flower print Galaxy S23 Clear Case
Will S23 Ultra Case Fit S24 Ultra? - ESR Blog
The Samsung Galaxy S24 Ultra Has New Cases from ESR First Look
SaharaCase - Air Boost Series Case for Samsung Galaxy Note20 5G - Black
The S24 Ultra case SAMSUNG won't sell to you! 🥴 (BEST cases for the S24 Ultra)
Will The Samsung Galaxy S23 Ultra Case Be Compatible With Galaxy S24 U – ThinBorne
Samsung Galaxy S24 Ultra Cases
Do S24 Ultra MagSafe Cases Interfere with the S-Pen? : r/dbrand