No, your iPhone 16e case won't fit the Galaxy S21 Ultra
The iPhone 16e (146.7×71.5mm) and Galaxy S21 Ultra (165.1×75.6mm) differ too much for cases to be compatible.
Does a iPhone 16e Case Fit Galaxy S21 Ultra?
Last verified: March 2026
No, a iPhone 16e case will not fit the Galaxy S21 Ultra. The phones have different dimensions that make cases incompatible.
Your iPhone 16e case will NOT fit the Galaxy S21 Ultra. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | iPhone 16e | Galaxy S21 Ultra | Diff |
|---|---|---|---|
| Height | 146.7mm | 165.1mm | Galaxy S21 Ultra +18.4mm |
| Width | 71.5mm | 75.6mm | Galaxy S21 Ultra +4.1mm |
| Thickness | 7.8mm | 8.9mm | Galaxy S21 Ultra +1.1mm |
| Camera Layout | single | vertical-quad | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Button placement differs — cutouts may not align
Your iPhone 16e case won't fit the Galaxy S21 Ultra. 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.
iPhone 16e
Qi only
7.5W max
Galaxy S21 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 iPhone 16e and Galaxy S21 Ultra the same size?
iPhone 16e measures 146.7×71.5×7.8mm while Galaxy S21 Ultra measures 165.1×75.6×8.9mm. They are different sizes.
Can I use a iPhone 16e screen protector on Galaxy S21 Ultra?
Screen sizes differ (6.1" vs 6.8") — protector won't fit.
What's different between iPhone 16e and Galaxy S21 Ultra dimensions?
The height differs by 18.4mm, the width by 4.1mm, and thickness by 1.1mm. The camera module layout is also different.
Do I need a new case for Galaxy S21 Ultra?
Yes, you'll need a new case. The Galaxy S21 Ultra has different dimensions than the iPhone 16e, so cases are not interchangeable.
Will iPhone 16e accessories work with Galaxy S21 Ultra?
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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