No, your Galaxy A15 case won't fit the OnePlus 9
The Galaxy A15 (160.1×76.8mm) and OnePlus 9 (160×74.2mm) differ too much for cases to be compatible.
Does a Galaxy A15 Case Fit OnePlus 9?
Last verified: March 2026
No, a Galaxy A15 case will not fit the OnePlus 9. The phones have different dimensions that make cases incompatible.
Your Galaxy A15 case will NOT fit the OnePlus 9. Here's why:
- •Width differs by 2.6mm — case won't fit
- •Thickness differs by 0.3mm — may affect fit
- •New phone has alert slider — old case has no cutout for it
| Spec | Galaxy A15 | OnePlus 9 | Diff |
|---|---|---|---|
| Height | 160.1mm | 160mm | Galaxy A15 +0.1mm |
| Width | 76.8mm | 74.2mm | Galaxy A15 +2.6mm |
| Thickness | 8.4mm | 8.7mm | OnePlus 9 +0.3mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •New phone has alert slider — old case has no cutout for it
Your Galaxy A15 case won't fit the OnePlus 9. Find the right case:
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Size Comparison
Wireless Charging & MagSafe
Only one phone supports wireless charging.
- The Galaxy A15 does not support wireless charging. Only the OnePlus 9 can use a wireless charger.
Galaxy A15
No wireless
OnePlus 9
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 Galaxy A15 and OnePlus 9 the same size?
Galaxy A15 measures 160.1×76.8×8.4mm while OnePlus 9 measures 160×74.2×8.7mm. They are different sizes.
Can I use a Galaxy A15 screen protector on OnePlus 9?
Same screen size (6.55") but body width differs by 2.6mm — verify bezel alignment before buying.
What's different between Galaxy A15 and OnePlus 9 dimensions?
The height differs by 0.1mm, the width by 2.6mm, and thickness by 0.3mm.
Do I need a new case for OnePlus 9?
Yes, you'll need a new case. The OnePlus 9 has different dimensions than the Galaxy A15, so cases are not interchangeable.
Will Galaxy A15 accessories work with OnePlus 9?
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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