No, your Honor X9b case won't fit the OnePlus 12
The Honor X9b (163.6×75.5mm) and OnePlus 12 (164.3×75.8mm) differ too much for cases to be compatible.
Does a Honor X9b Case Fit OnePlus 12?
Last verified: March 2026
No, a Honor X9b case will not fit the OnePlus 12. The phones have different dimensions that make cases incompatible.
Your Honor X9b case will NOT fit the OnePlus 12. Here's why:
- •Height differs by 0.7mm — case may be tight or loose
- •1.2mm thicker — case won't close properly
- •Camera bump size differs significantly
- •Camera bump protrusion differs by 4.0mm — case lip may not protect camera
- •New phone has alert slider — old case has no cutout for it
| Spec | Honor X9b | OnePlus 12 | Diff |
|---|---|---|---|
| Height | 163.6mm | 164.3mm | OnePlus 12 +0.7mm |
| Width | 75.5mm | 75.8mm | OnePlus 12 +0.3mm |
| Thickness | 8mm | 9.2mm | OnePlus 12 +1.2mm |
| Camera Layout | circular-triple | circular-triple | Same |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •New phone has alert slider — old case has no cutout for it
Since your Honor X9b 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
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Size Comparison
Wireless Charging & MagSafe
Only one phone supports wireless charging.
- The Honor X9b does not support wireless charging. Only the OnePlus 12 can use a wireless charger.
Honor X9b
No wireless
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.
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Frequently Asked Questions
Are Honor X9b and OnePlus 12 the same size?
Honor X9b measures 163.6×75.5×8mm while OnePlus 12 measures 164.3×75.8×9.2mm. They are different sizes.
Can I use a Honor X9b screen protector on OnePlus 12?
Same screen size (6.82") with minimal width difference — should fit.
What's different between Honor X9b and OnePlus 12 dimensions?
The height differs by 0.7mm, the width by 0.3mm, and thickness by 1.2mm.
Do I need a new case for OnePlus 12?
Yes, you'll need a new case. The OnePlus 12 has different dimensions than the Honor X9b, so cases are not interchangeable.
Will Honor X9b accessories work with OnePlus 12?
Chargers and cables are compatible since both phones use the same usb-c port. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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