No, your Galaxy S25 Edge case won't fit the Galaxy S21
The Galaxy S25 Edge (158.2×75.6mm) and Galaxy S21 (151.7×71.2mm) differ too much for cases to be compatible.
Does a Galaxy S25 Edge Case Fit Galaxy S21?
Last verified: March 2026
No, a Galaxy S25 Edge case will not fit the Galaxy S21. The phones have different dimensions that make cases incompatible.
Your Galaxy S25 Edge case will NOT fit the Galaxy S21. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | Galaxy S25 Edge | Galaxy S21 | Diff |
|---|---|---|---|
| Height | 158.2mm | 151.7mm | Galaxy S25 Edge +6.5mm |
| Width | 75.6mm | 71.2mm | Galaxy S25 Edge +4.4mm |
| Thickness | 5.8mm | 7.9mm | Galaxy S21 +2.1mm |
| Camera Layout | vertical-dual | vertical-triple | Different |
| Port | usb-c | usb-c | Same |
Your Galaxy S25 Edge case won't fit the Galaxy S21. 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 S25 Edge
Qi only
15W max
Galaxy S21
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 S25 Edge and Galaxy S21 the same size?
Galaxy S25 Edge measures 158.2×75.6×5.8mm while Galaxy S21 measures 151.7×71.2×7.9mm. They are different sizes.
Can I use a Galaxy S25 Edge screen protector on Galaxy S21?
Screen sizes differ (6.7" vs 6.2") — protector won't fit.
What's different between Galaxy S25 Edge and Galaxy S21 dimensions?
The height differs by 6.5mm, the width by 4.4mm, and thickness by 2.1mm. The camera module layout is also different.
Do I need a new case for Galaxy S21?
Yes, you'll need a new case. The Galaxy S21 has different dimensions than the Galaxy S25 Edge, so cases are not interchangeable.
Will Galaxy S25 Edge accessories work with Galaxy S21?
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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