No, your Galaxy S23+ case won't fit the Galaxy S21 FE
The Galaxy S23+ (157.8×76.2mm) and Galaxy S21 FE (155.7×74.5mm) differ too much for cases to be compatible.
Does a Galaxy S23+ Case Fit Galaxy S21 FE?
Last verified: March 2026
No, a Galaxy S23+ case will not fit the Galaxy S21 FE. The phones have different dimensions that make cases incompatible.
Your Galaxy S23+ case will NOT fit the Galaxy S21 FE. 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 S23+ | Galaxy S21 FE | Diff |
|---|---|---|---|
| Height | 157.8mm | 155.7mm | Galaxy S23+ +2.1mm |
| Width | 76.2mm | 74.5mm | Galaxy S23+ +1.7mm |
| Thickness | 7.6mm | 7.9mm | Galaxy S21 FE +0.3mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Your Galaxy S23+ case won't fit the Galaxy S21 FE. 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 S23+
Qi only
15W max
Galaxy S21 FE
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 S23+ and Galaxy S21 FE the same size?
Galaxy S23+ measures 157.8×76.2×7.6mm while Galaxy S21 FE measures 155.7×74.5×7.9mm. They are different sizes.
Can I use a Galaxy S23+ screen protector on Galaxy S21 FE?
Screen sizes differ (6.6" vs 6.4") — protector won't fit.
What's different between Galaxy S23+ and Galaxy S21 FE 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 S21 FE?
Yes, you'll need a new case. The Galaxy S21 FE has different dimensions than the Galaxy S23+, so cases are not interchangeable.
Will Galaxy S23+ accessories work with Galaxy S21 FE?
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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