No, your iPhone 17 case won't fit the Galaxy S20 Ultra
The iPhone 17 (149.6×71.5mm) and Galaxy S20 Ultra (166.9×76mm) differ too much for cases to be compatible.
Does a iPhone 17 Case Fit Galaxy S20 Ultra?
Last verified: March 2026
No, a iPhone 17 case will not fit the Galaxy S20 Ultra. The phones have different dimensions that make cases incompatible.
Your iPhone 17 case will NOT fit the Galaxy S20 Ultra. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | iPhone 17 | Galaxy S20 Ultra | Diff |
|---|---|---|---|
| Height | 149.6mm | 166.9mm | Galaxy S20 Ultra +17.3mm |
| Width | 71.5mm | 76mm | Galaxy S20 Ultra +4.5mm |
| Thickness | 7.95mm | 8.8mm | Galaxy S20 Ultra +0.9mm |
| Camera Layout | vertical-dual | rectangular-module | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Old phone has Camera Control button — new phone case has no cutout for it
Your iPhone 17 case won't fit the Galaxy S20 Ultra. Find the right case:
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Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Your MagSafe charger will charge the Galaxy S20 Ultra via Qi, but it won't magnetically snap on.
- Only the iPhone 17 has built-in magnets for MagSafe accessories. The Galaxy S20 Ultra needs a magnetic case or ring adapter.
iPhone 17
MagSafe Gen 2
25W max
Galaxy S20 Ultra
Qi only
10W 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 17 and Galaxy S20 Ultra the same size?
iPhone 17 measures 149.6×71.5×7.95mm while Galaxy S20 Ultra measures 166.9×76×8.8mm. They are different sizes.
Can I use a iPhone 17 screen protector on Galaxy S20 Ultra?
Screen sizes differ (6.3" vs 6.9") — protector won't fit.
What's different between iPhone 17 and Galaxy S20 Ultra dimensions?
The height differs by 17.3mm, the width by 4.5mm, and thickness by 0.9mm. The camera module layout is also different.
Do I need a new case for Galaxy S20 Ultra?
Yes, you'll need a new case. The Galaxy S20 Ultra has different dimensions than the iPhone 17, so cases are not interchangeable.
Will iPhone 17 accessories work with Galaxy S20 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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