No, your iPhone 11 Pro Max case won't fit the iPhone 17
The iPhone 11 Pro Max (158×77.8mm) and iPhone 17 (149.6×71.5mm) differ too much for cases to be compatible.
Does a iPhone 11 Pro Max Case Fit iPhone 17?
Last verified: March 2026
No, a iPhone 11 Pro Max case will not fit the iPhone 17. The phones have different dimensions that make cases incompatible.
Your iPhone 11 Pro Max case will NOT fit the iPhone 17. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | iPhone 11 Pro Max | iPhone 17 | Diff |
|---|---|---|---|
| Height | 158mm | 149.6mm | iPhone 11 Pro Max +8.4mm |
| Width | 77.8mm | 71.5mm | iPhone 11 Pro Max +6.3mm |
| Thickness | 8.1mm | 7.95mm | iPhone 11 Pro Max +0.1mm |
| Camera Layout | square-triple | vertical-dual | Different |
| Port | lightning | usb-c | Different |
Button & Port Alignment
- •Mute toggle switch vs Action Button — case cutout shape is incompatible
- •New phone has Camera Control button — old case has no cutout for it
Your iPhone 11 Pro Max case won't fit the iPhone 17. Find the right case:
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
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Your MagSafe charger will charge the iPhone 11 Pro Max via Qi, but it won't magnetically snap on.
- Only the iPhone 17 has built-in magnets for MagSafe accessories. The iPhone 11 Pro Max needs a magnetic case or ring adapter.
iPhone 11 Pro Max
Qi only
7.5W max
iPhone 17
MagSafe Gen 2
25W 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 Guides
Related Compatibility Checks
Frequently Asked Questions
Are iPhone 11 Pro Max and iPhone 17 the same size?
iPhone 11 Pro Max measures 158×77.8×8.1mm while iPhone 17 measures 149.6×71.5×7.95mm. They are different sizes.
Can I use a iPhone 11 Pro Max screen protector on iPhone 17?
Edge types differ (rounded vs curved) — screen protector won't adhere properly.
What's different between iPhone 11 Pro Max and iPhone 17 dimensions?
The height differs by 8.4mm, the width by 6.3mm, and thickness by 0.1mm. The camera module layout is also different. They use different charging ports.
Do I need a new case for iPhone 17?
Yes, you'll need a new case. The iPhone 17 has different dimensions than the iPhone 11 Pro Max, so cases are not interchangeable.
Will iPhone 11 Pro Max accessories work with iPhone 17?
Chargers and cables are compatible since both phones use different ports (lightning vs usb-c). 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