The Galaxy A55 arrives with an IP67 rating from Samsung — dust-tight, and tested to survive one metre of fresh water for 30 minutes. That leads to a fair question: if the phone is already water resistant, why would anyone buy a waterproof case? The honest answer is that IP67 and a sealed IP68 case protect against different things, and only one of them survives a boat.
What the Galaxy A55's own IP67 rating actually covers
The A55 is a 6.6-inch phone with a 5,000 mAh battery, and Samsung tested it to IP67. Read that rating carefully:
- The 6 means dust-tight — no ingress of dust at all.
- The 7 means immersion in fresh water to 1 metre for 30 minutes, in a lab, on a new device.
Three caveats matter in real life. The rating is tested in still fresh water — not salt water, not chlorinated pool water, not a pressure washer. It degrades as the adhesive seals age and as the phone takes drops. And no manufacturer's warranty covers liquid damage on the strength of an IP rating.
What a sealed IP68 waterproof case adds
An IP68 case is a two-piece clamshell with a gasket and a built-in screen membrane. It seals the phone completely — ports, speakers, buttons and all.
The 8 in IP68 means continuous immersion deeper than one metre, to a depth the maker specifies. That is the difference between a phone that survives a dropped-in-the-sink accident and one you can deliberately take snorkelling. It also seals out sand, mud, sunscreen and salt spray — none of which an IP67 phone is rated for.
The trade-offs are real and you should know them going in: a sealed case is thicker and heavier, the screen membrane sits over the glass so touch feels slightly less crisp, speaker volume drops because sound has to pass through a sealed wall, and you cannot plug in a cable without opening the case.
What a slim clear case gives you instead
A slim acrylic clear case does one job well: it adds corner and edge drop protection with almost no bulk, and it lets the A55's finish show through.
Hard acrylic backs resist scratching better than soft TPU and stay clearer for longer; the flexible TPU bumper around the rim is what absorbs impact. It keeps the phone pocketable, keeps wireless charging fast, and does not muffle the speakers. It offers no water protection beyond what the phone already has.
Which one should you buy?
Buy the IP68 waterproof case if you fish, kayak, sail, work on a boat or a job site, ski, or spend time around pools and beaches. Also buy it if you work in construction, landscaping, food service or anywhere the phone meets dust, grit and hosing down. The bulk is the price of admission.
Buy the slim clear case if your phone lives between a desk, a pocket and a car. The A55's own IP67 already covers rain, a spilled drink and a dropped-in-the-sink moment. You do not need a sealed case to survive a coffee shop.
Buy both if you have a seasonal split — slim case for the office months, waterproof case for the summer or for site work. Cases are cheaper than a replacement phone.
The other Galaxy A55 options worth knowing
If you carry cards, the leather wallet case adds card slots and a stand fold in one.
For hands-free video and a safer grip, the Galaxy A55 ring kickstand case with camera cover is the middle ground. And whichever case you pick, the screen is still the most expensive part to replace — the Galaxy A55 tempered glass screen protector ships as a multi-pack so a botched install is not a disaster.
Frequently asked questions
Does the waterproof case work with wireless charging? Sealed cases are thick, and Qi charging is sensitive to coil-to-coil distance. Expect wireless charging to be slow or unreliable through a sealed case. Open the case to charge, or use the cable.
How deep can I take an IP68 case? IP68 means "deeper than 1 metre, to a depth the manufacturer states." Check the depth figure on the listing and treat it as a hard ceiling, not a target. Water pressure rises fast with depth.
Will the clear case turn yellow? Every transparent polymer warms in tone under UV light over time. Hard acrylic backs hold their clarity considerably longer than soft TPU. Nothing prevents it forever — it is a consumable part.
Is the Galaxy A55 waterproof if the screen is cracked? No. The IP67 seal depends on an intact display assembly and intact adhesive. A cracked screen voids water resistance entirely, even if the phone still works.
Can I use the phone underwater in a sealed case? Capacitive touchscreens do not respond underwater. Use the volume button as a camera shutter, which works through most sealed cases.
Bottom line
The Galaxy A55's IP67 rating handles everyday accidents. A sealed IP68 case is for deliberate exposure — water sports, boats, beaches, dusty job sites — and the bulk is worth it only if that is your life. For everyone else, the slim clear case plus a glass screen protector is the better daily combination.
Questions about fit? Reach us via the Gorilla Cases Contact page or call 978-797-0223.