No, your iPhone 11 Pro Max case won't fit the iPhone 12 Pro Max
The iPhone 11 Pro Max (158×77.8mm) and iPhone 12 Pro Max (160.8×78.1mm) differ too much for cases to be compatible.
Does a iPhone 11 Pro Max Case Fit iPhone 12 Pro Max?
Last verified: March 2026
No, a iPhone 11 Pro Max case will not fit the iPhone 12 Pro Max. The phones have different dimensions that make cases incompatible.
Your iPhone 11 Pro Max case will NOT fit the iPhone 12 Pro Max. Here's why:
- •Height differs by 2.8mm — case won't fit
- •0.7mm thicker — case won't close properly
- •Camera bump size differs significantly
- •Different edge profiles (rounded vs flat) — case shell shape won't match
- •Corner shape differs — case won't seat properly
| Spec | iPhone 11 Pro Max | iPhone 12 Pro Max | Diff |
|---|---|---|---|
| Height | 158mm | 160.8mm | iPhone 12 Pro Max +2.8mm |
| Width | 77.8mm | 78.1mm | iPhone 12 Pro Max +0.3mm |
| Thickness | 8.1mm | 7.4mm | iPhone 11 Pro Max +0.7mm |
| Camera Layout | square-triple | square-triple | Same |
| Port | lightning | lightning | Same |
Your iPhone 11 Pro Max case won't fit the iPhone 12 Pro Max. 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 iPhone 11 Pro Max via Qi, but it won't magnetically snap on.
- Only the iPhone 12 Pro Max 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 12 Pro Max
MagSafe Gen 1
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 11 Pro Max and iPhone 12 Pro Max the same size?
iPhone 11 Pro Max measures 158×77.8×8.1mm while iPhone 12 Pro Max measures 160.8×78.1×7.4mm. They are different sizes.
Can I use a iPhone 11 Pro Max screen protector on iPhone 12 Pro Max?
Screen sizes differ (6.5" vs 6.7") — protector won't fit.
What's different between iPhone 11 Pro Max and iPhone 12 Pro Max dimensions?
The height differs by 2.8mm, the width by 0.3mm, and thickness by 0.7mm.
Do I need a new case for iPhone 12 Pro Max?
Yes, you'll need a new case. The iPhone 12 Pro Max has different dimensions than the iPhone 11 Pro Max, so cases are not interchangeable.
Will iPhone 11 Pro Max accessories work with iPhone 12 Pro Max?
Chargers and cables are compatible since both phones use the same lightning 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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