No, your Galaxy A51 case won't fit the Galaxy Z Flip 4
The Galaxy A51 (158.5×73.6mm) and Galaxy Z Flip 4 (84.9×71.9mm) differ too much for cases to be compatible.
Does a Galaxy A51 Case Fit Galaxy Z Flip 4?
Last verified: March 2026
No, a Galaxy A51 case will not fit the Galaxy Z Flip 4. The phones have different dimensions that make cases incompatible.
Your Galaxy A51 case will NOT fit the Galaxy Z Flip 4. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | Galaxy A51 | Galaxy Z Flip 4 | Diff |
|---|---|---|---|
| Height | 158.5mm | 84.9mm | Galaxy A51 +73.6mm |
| Width | 73.6mm | 71.9mm | Galaxy A51 +1.7mm |
| Thickness | 7.9mm | 17.1mm | Galaxy Z Flip 4 +9.2mm |
| Camera Layout | vertical-quad | vertical-dual | Different |
| Port | usb-c | usb-c | Same |
Your Galaxy A51 case won't fit the Galaxy Z Flip 4. Find the right case:
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Size Comparison
Wireless Charging & MagSafe
Only one phone supports wireless charging.
- The Galaxy A51 does not support wireless charging. Only the Galaxy Z Flip 4 can use a wireless charger.
Galaxy A51
No wireless
Galaxy Z Flip 4
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 Galaxy A51 and Galaxy Z Flip 4 the same size?
Galaxy A51 measures 158.5×73.6×7.9mm while Galaxy Z Flip 4 measures 84.9×71.9×17.1mm. They are different sizes.
Can I use a Galaxy A51 screen protector on Galaxy Z Flip 4?
Screen sizes differ (6.5" vs 6.7") — protector won't fit.
What's different between Galaxy A51 and Galaxy Z Flip 4 dimensions?
The height differs by 73.6mm, the width by 1.7mm, and thickness by 9.2mm. The camera module layout is also different.
Do I need a new case for Galaxy Z Flip 4?
Yes, you'll need a new case. The Galaxy Z Flip 4 has different dimensions than the Galaxy A51, so cases are not interchangeable.
Will Galaxy A51 accessories work with Galaxy Z Flip 4?
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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