No, your Galaxy S21+ case won't fit the Galaxy S25 FE
The Galaxy S21+ (161.5×75.6mm) and Galaxy S25 FE (161.3×76.6mm) differ too much for cases to be compatible.
Does a Galaxy S21+ Case Fit Galaxy S25 FE?
Last verified: March 2026
No, a Galaxy S21+ case will not fit the Galaxy S25 FE. The phones have different dimensions that make cases incompatible.
Your Galaxy S21+ case will NOT fit the Galaxy S25 FE. Here's why:
- •Width differs by 1.0mm — case won't fit
- •Thickness differs by 0.4mm — may affect fit
- •Camera bump size differs significantly
- •Camera bump protrusion differs by 2.2mm — case lip may not protect camera
| Spec | Galaxy S21+ | Galaxy S25 FE | Diff |
|---|---|---|---|
| Height | 161.5mm | 161.3mm | Galaxy S21+ +0.2mm |
| Width | 75.6mm | 76.6mm | Galaxy S25 FE +1.0mm |
| Thickness | 7.8mm | 7.4mm | Galaxy S21+ +0.4mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Your Galaxy S21+ case won't fit the Galaxy S25 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 S21+
Qi only
15W max
Galaxy S25 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 S21+ and Galaxy S25 FE the same size?
Galaxy S21+ measures 161.5×75.6×7.8mm while Galaxy S25 FE measures 161.3×76.6×7.4mm. They are different sizes.
Can I use a Galaxy S21+ screen protector on Galaxy S25 FE?
Same screen size (6.7") but body width differs by 1.0mm — verify bezel alignment before buying.
What's different between Galaxy S21+ and Galaxy S25 FE dimensions?
The height differs by 0.2mm, the width by 1.0mm, and thickness by 0.4mm.
Do I need a new case for Galaxy S25 FE?
Yes, you'll need a new case. The Galaxy S25 FE has different dimensions than the Galaxy S21+, so cases are not interchangeable.
Will Galaxy S21+ accessories work with Galaxy S25 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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