No, your Nothing Phone 2a case won't fit the Galaxy S23 Ultra
The Nothing Phone 2a (161.7×76.3mm) and Galaxy S23 Ultra (163.4×78.1mm) differ too much for cases to be compatible.
Does a Nothing Phone 2a Case Fit Galaxy S23 Ultra?
Last verified: March 2026
No, a Nothing Phone 2a case will not fit the Galaxy S23 Ultra. The phones have different dimensions that make cases incompatible.
Your Nothing Phone 2a case will NOT fit the Galaxy S23 Ultra. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | Nothing Phone 2a | Galaxy S23 Ultra | Diff |
|---|---|---|---|
| Height | 161.7mm | 163.4mm | Galaxy S23 Ultra +1.7mm |
| Width | 76.3mm | 78.1mm | Galaxy S23 Ultra +1.8mm |
| Thickness | 8.6mm | 8.9mm | Galaxy S23 Ultra +0.3mm |
| Camera Layout | horizontal-dual | vertical-quad | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •New phone has S Pen slot — old case has no opening for it
Since your Nothing Phone 2a case won't work with the Galaxy S23 Ultra, here are the highest-rated cases that will:
OtterBox
OtterBox Defender Series for Galaxy S23 Ultra
$64.95
TORRAS
TORRAS MarsClimber for Galaxy S23 Ultra
$19.99
Caseology
Caseology Nano Pop for Galaxy S23 Ultra
$15.99
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Size Comparison
Wireless Charging & MagSafe
Only one phone supports wireless charging.
- The Nothing Phone 2a does not support wireless charging. Only the Galaxy S23 Ultra can use a wireless charger.
Nothing Phone 2a
No wireless
Galaxy S23 Ultra
Qi only
15W max
MagSafe cases are NOT cross-compatible between these devices — the case body is shaped to each phone, even though the internal magnet ring may be the same.
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Frequently Asked Questions
Are Nothing Phone 2a and Galaxy S23 Ultra the same size?
Nothing Phone 2a measures 161.7×76.3×8.6mm while Galaxy S23 Ultra measures 163.4×78.1×8.9mm. They are different sizes.
Can I use a Nothing Phone 2a screen protector on Galaxy S23 Ultra?
Edge types differ (flat vs curved) — screen protector won't adhere properly.
What's different between Nothing Phone 2a and Galaxy S23 Ultra dimensions?
The height differs by 1.7mm, the width by 1.8mm, and thickness by 0.3mm. The camera module layout is also different.
Do I need a new case for Galaxy S23 Ultra?
Yes, you'll need a new case. The Galaxy S23 Ultra has different dimensions than the Nothing Phone 2a, so cases are not interchangeable.
Will Nothing Phone 2a accessories work with Galaxy S23 Ultra?
Chargers and cables are compatible since both phones use the same usb-c port. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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