No, your Galaxy S21+ case won't fit the Galaxy A55 5G
The Galaxy S21+ (161.5×75.6mm) and Galaxy A55 5G (161.1×77.4mm) differ too much for cases to be compatible.
Does a Galaxy S21+ Case Fit Galaxy A55 5G?
Last verified: March 2026
No, a Galaxy S21+ case will not fit the Galaxy A55 5G. The phones have different dimensions that make cases incompatible.
Your Galaxy S21+ case will NOT fit the Galaxy A55 5G. Here's why:
- •Width differs by 1.8mm — case won't fit
- •Thickness differs by 0.4mm — may affect fit
- •Camera bump size differs significantly
- •Camera bump protrusion differs by 2.2mm — case lip may not protect camera
| Spec | Galaxy S21+ | Galaxy A55 5G | Diff |
|---|---|---|---|
| Height | 161.5mm | 161.1mm | Galaxy S21+ +0.4mm |
| Width | 75.6mm | 77.4mm | Galaxy A55 5G +1.8mm |
| Thickness | 7.8mm | 8.2mm | Galaxy A55 5G +0.4mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Your Galaxy S21+ case won't fit the Galaxy A55 5G. Find the right case:
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Size Comparison
Wireless Charging & MagSafe
Only one phone supports wireless charging.
- The Galaxy A55 5G does not support wireless charging. Only the Galaxy S21+ can use a wireless charger.
Galaxy S21+
Qi only
15W max
Galaxy A55 5G
No wireless
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 S21+ and Galaxy A55 5G the same size?
Galaxy S21+ measures 161.5×75.6×7.8mm while Galaxy A55 5G measures 161.1×77.4×8.2mm. They are different sizes.
Can I use a Galaxy S21+ screen protector on Galaxy A55 5G?
Screen sizes are close (6.7" vs 6.6") but may not align perfectly.
What's different between Galaxy S21+ and Galaxy A55 5G dimensions?
The height differs by 0.4mm, the width by 1.8mm, and thickness by 0.4mm.
Do I need a new case for Galaxy A55 5G?
Yes, you'll need a new case. The Galaxy A55 5G has different dimensions than the Galaxy S21+, so cases are not interchangeable.
Will Galaxy S21+ accessories work with Galaxy A55 5G?
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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