No, your Galaxy S21 FE case won't fit the Galaxy S23+
The Galaxy S21 FE (155.7×74.5mm) and Galaxy S23+ (157.8×76.2mm) differ too much for cases to be compatible.
Does a Galaxy S21 FE Case Fit Galaxy S23+?
Last verified: March 2026
No, a Galaxy S21 FE case will not fit the Galaxy S23+. The phones have different dimensions that make cases incompatible.
Your Galaxy S21 FE case will NOT fit the Galaxy S23+. Here's why:
- •Height differs by 2.1mm — case won't fit
- •Width differs by 1.7mm — case won't fit
- •Thickness differs by 0.3mm — may affect fit
| Spec | Galaxy S21 FE | Galaxy S23+ | Diff |
|---|---|---|---|
| Height | 155.7mm | 157.8mm | Galaxy S23+ +2.1mm |
| Width | 74.5mm | 76.2mm | Galaxy S23+ +1.7mm |
| Thickness | 7.9mm | 7.6mm | Galaxy S21 FE +0.3mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Your Galaxy S21 FE case won't fit the Galaxy S23+. Find the right case:
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Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
Galaxy S21 FE
Qi only
15W max
Galaxy S23+
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 Galaxy S21 FE and Galaxy S23+ the same size?
Galaxy S21 FE measures 155.7×74.5×7.9mm while Galaxy S23+ measures 157.8×76.2×7.6mm. They are different sizes.
Can I use a Galaxy S21 FE screen protector on Galaxy S23+?
Screen sizes differ (6.4" vs 6.6") — protector won't fit.
What's different between Galaxy S21 FE and Galaxy S23+ dimensions?
The height differs by 2.1mm, the width by 1.7mm, and thickness by 0.3mm.
Do I need a new case for Galaxy S23+?
Yes, you'll need a new case. The Galaxy S23+ has different dimensions than the Galaxy S21 FE, so cases are not interchangeable.
Will Galaxy S21 FE accessories work with Galaxy S23+?
Chargers and cables are compatible since both phones use the same usb-c port. Both support wireless charging, so wireless chargers work with either phone. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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