No, your OnePlus 9 case won't fit the OnePlus 12
The OnePlus 9 (160×74.2mm) and OnePlus 12 (164.3×75.8mm) differ too much for cases to be compatible.
Does a OnePlus 9 Case Fit OnePlus 12?
Last verified: March 2026
No, a OnePlus 9 case will not fit the OnePlus 12. The phones have different dimensions that make cases incompatible.
Your OnePlus 9 case will NOT fit the OnePlus 12. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | OnePlus 9 | OnePlus 12 | Diff |
|---|---|---|---|
| Height | 160mm | 164.3mm | OnePlus 12 +4.3mm |
| Width | 74.2mm | 75.8mm | OnePlus 12 +1.6mm |
| Thickness | 8.7mm | 9.2mm | OnePlus 12 +0.5mm |
| Camera Layout | vertical-triple | circular-triple | Different |
| Port | usb-c | usb-c | Same |
Since your OnePlus 9 case won't work with the OnePlus 12, here are the highest-rated cases that will:
Ringke
Ringke Fusion-X MagSafe for OnePlus 12
$14.99
Ringke
Ringke Fusion-X for OnePlus 12
$12.99
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.
- Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
OnePlus 9
Qi only
10W max
OnePlus 12
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.
Related Guides
Related Compatibility Checks
Frequently Asked Questions
Are OnePlus 9 and OnePlus 12 the same size?
OnePlus 9 measures 160×74.2×8.7mm while OnePlus 12 measures 164.3×75.8×9.2mm. They are different sizes.
Can I use a OnePlus 9 screen protector on OnePlus 12?
Edge types differ (flat vs curved) — screen protector won't adhere properly.
What's different between OnePlus 9 and OnePlus 12 dimensions?
The height differs by 4.3mm, the width by 1.6mm, and thickness by 0.5mm. The camera module layout is also different.
Do I need a new case for OnePlus 12?
Yes, you'll need a new case. The OnePlus 12 has different dimensions than the OnePlus 9, so cases are not interchangeable.
Will OnePlus 9 accessories work with OnePlus 12?
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