Skip to content

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.

0Won't Fit

Your iPhone 17 case will NOT fit the Galaxy S20 Ultra. Here's why:

  • Camera module layout is different — cutout won't align
SpeciPhone 17Galaxy S20 UltraDiff
Height149.6mm166.9mmGalaxy S20 Ultra +17.3mm
Width71.5mm76mmGalaxy S20 Ultra +4.5mm
Thickness7.95mm8.8mmGalaxy S20 Ultra +0.9mm
Camera Layoutvertical-dualrectangular-moduleDifferent
Portusb-cusb-cSame

Button & Port Alignment

  • Old phone has Camera Control button — new phone case has no cutout for it
Based on Amazon best-seller rankings and ratings

Your iPhone 17 case won't fit the Galaxy S20 Ultra. Find the right case:

Don't forget a screen protector for your Galaxy S20 UltraShop on Amazon →

As an Amazon Associate, WillItSnap earns from qualifying purchases. This doesn't affect our compatibility data.

Get alerts when we add more phones

Size Comparison

10mm
iPhone 17Galaxy S20 Ultra

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.

Related Compatibility Checks

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.

Want to check another phone?

← Back to the compatibility checker
Need a case for Galaxy S20 Ultra?Shop Cases →