No, your OnePlus 9 Pro case won't fit the Galaxy S20+
The OnePlus 9 Pro (163.2×73.6mm) and Galaxy S20+ (161.9×73.7mm) differ too much for cases to be compatible.
Does a OnePlus 9 Pro Case Fit Galaxy S20+?
Last verified: March 2026
No, a OnePlus 9 Pro case will not fit the Galaxy S20+. The phones have different dimensions that make cases incompatible.
Your OnePlus 9 Pro case will NOT fit the Galaxy S20+. Here's why:
- •Height differs by 1.3mm — case won't fit
- •0.9mm thicker — case won't close properly
- •Old phone has alert slider — new phone does not
| Spec | OnePlus 9 Pro | Galaxy S20+ | Diff |
|---|---|---|---|
| Height | 163.2mm | 161.9mm | OnePlus 9 Pro +1.3mm |
| Width | 73.6mm | 73.7mm | Galaxy S20+ +0.1mm |
| Thickness | 8.7mm | 7.8mm | OnePlus 9 Pro +0.9mm |
| Camera Layout | vertical-quad | vertical-quad | Same |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Old phone has alert slider — new phone does not
Your OnePlus 9 Pro case won't fit the Galaxy S20+. Find the right case:
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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 Pro
Qi only
10W max
Galaxy S20+
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.
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Frequently Asked Questions
Are OnePlus 9 Pro and Galaxy S20+ the same size?
OnePlus 9 Pro measures 163.2×73.6×8.7mm while Galaxy S20+ measures 161.9×73.7×7.8mm. They are different sizes.
Can I use a OnePlus 9 Pro screen protector on Galaxy S20+?
Same screen size (6.7") with minimal width difference — should fit.
What's different between OnePlus 9 Pro and Galaxy S20+ dimensions?
The height differs by 1.3mm, the width by 0.1mm, and thickness by 0.9mm.
Do I need a new case for Galaxy S20+?
Yes, you'll need a new case. The Galaxy S20+ has different dimensions than the OnePlus 9 Pro, so cases are not interchangeable.
Will OnePlus 9 Pro accessories work with Galaxy S20+?
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.
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