Samsung A51 Waterproof Case | IP68 Waterproof Dustproof Shockproof Samsung A51Case

Why the Samsung A51 IP68 Waterproof Case Is Essential for Swimmers and Outdoor Adventurers

Picture your Galaxy A51 slipping out of your pocket at the edge of the pool and settling on the bottom — and you fishing it out a minute later, still recording video. That is exactly what this IP68-certified waterproof case is built to survive. It seals your Samsung Galaxy A51 (2019/2020 4G model, 6.5-inch Super AMOLED) inside a fully gasketed two-piece shell: a built-in HD screen protector up front, a crystal-clear back that shows off your phone, and a TPU-plus-hard-plastic frame that is waterproof, dustproof, and shockproof. It has passed underwater testing at 6.6 ft / 2 m for a full hour, and the sealed design exceeds military standard for drops and grit. Built for swimmers, kayakers, beach vacationers, construction workers, and parents of pool kids, this is the best Samsung A51 waterproof case for life around water. The Gorilla Family does not wait out the weather — and now your A51 does not either.

Key Features

• 2 color choices: Black and Blue frames, both with a transparent back panel that keeps your A51's prism finish visible.
• Premium materials: flexible TPU sealing layer inside a rigid hard-plastic frame — light, tough, and fully gasketed.
• Case type: two-piece full-body waterproof case — front and back covers snap together around the phone to form the seal.
• IP68 certified: tested 1,000 times underwater at 6.6 ft / 2 m for 1 hour — rain, pools, lakes, and sinks are no longer emergencies.
• Dustproof and snowproof: the same seals that stop water keep out sand, dust, and snow on trails and beaches.
• Built-in screen protector: an HD plastic membrane guards the display from scratches without hurting touch sensitivity.
• Shockproof frame: the sealed full-body design exceeds military standard, absorbing drops of 6.6 ft / 2 m onto hard surfaces.
• Camera protection: the rear lenses sit behind clear protective glassine panels, sealed from water and scratches alike.
• Charging compatibility: charge through the sealed USB-C port plug — note the Galaxy A51 does not support Qi wireless charging, and this is not a MagSafe case.
• Included strap: a wrist strap comes in the box for carrying the phone over water, boats, and bridges.
• Compatibility: designed for the Samsung Galaxy A51 4G (2019/2020, 6.5-inch) ONLY. It does NOT fit the Galaxy A51 5G, Galaxy A50, A52, A52 5G, or A53.

Materials Explained — What TPU and Polycarbonate Actually Feel Like

TPU (thermoplastic polyurethane) is the flexible, rubbery material used in running shoe soles and hockey puck rims. In this case it forms the sealing gaskets and shock-absorbing perimeter — the part that compresses around your A51 to lock water out and soak impacts up.

The hard-plastic frame is polycarbonate, the same engineering plastic found in bike helmets and aircraft cockpit windows. It gives the case its slim rigid skeleton (the whole sealed package measures just 18.0 x 8.8 x 1.3 cm) so the seal cannot flex open in a drop.

Altogether the case weighs about 2.5 oz (70 g) and adds roughly 2.5 mm of thickness — remarkably compact for a fully submersible, military-standard shell that replaces a screen protector too.

Browse More Samsung Galaxy A Series Cases

Protecting another budget-friendly Samsung, or comparing styles for your A51? Browse the full Galaxy A Series collection at Gorilla Cases, shop now and find the right protective phone case for your lifestyle.

Real-World Use Cases

• The Pool Parent: films cannonballs from the shallow end with the wrist strap on, knowing a full dunk at 6.6 ft / 2 m is within spec.
• The Kayaker: clips the A51 to the deck rigging — spray, waves, and the occasional capsize never reach the phone.
• The Beach Vacationer: takes underwater photos in the resort pool and shakes the sand off afterward — the seals stop grit as well as water.
• The Construction Worker: works through rain and concrete dust with a phone that is sealed against both, plus drop protection past military standard.
• The Gift-Giver: needs a practical present for an A51 owner who loves the lake — waterproof peace of mind under $50 lands every time.

Feature-to-Benefit Mapping

Step-by-Step Installation Guide

1. Clean your Galaxy A51 with a microfiber cloth — a single grain of sand under a gasket can compromise the seal.
2. Before first use, snap the empty case shut and submerge it in water for 30 minutes; if the inside stays dry, your seals are good.
3. Open the two halves, lay your A51 face down into the front cover, and align the camera with its window.
4. Snap the back cover on, working around the entire perimeter until every latch point clicks and no gap remains.
5. Confirm the charging port plug is pressed fully closed, then test touch, buttons, and the fingerprint reader — re-register your fingerprint through the built-in protector for best results.

Troubleshooting and Tips

• Touchscreen feels less responsive? Re-register your fingerprint and enable Samsung's "Touch sensitivity" toggle in Settings > Display — it is made exactly for screen protectors.
• Faint rainbow marks (watermarking) on the screen? That is normal contact between protector and glass; it disappears in use and does not affect the display.
• Muffled audio on calls? The acoustic membranes need a break-in day; volume improves after the first few uses, and speakerphone is unaffected.
• Fog inside after a cold swim? Open the case indoors, let both halves dry for 10 minutes, and re-seal — never open it while wet.
• Cleaning after the beach? Rinse the sealed case in fresh water before opening, then wipe dry — avoid alcohol wipes, which can degrade the gasket material over time.

FAQs

Which phones does this case fit?
It fits the Samsung Galaxy A51 4G (2019/2020, 6.5-inch) only. It does NOT fit the Galaxy A51 5G, Galaxy A50, A52, A52 5G, or A53 — their dimensions and camera layouts differ.

What comes in the box?
The two-piece waterproof case (front cover with built-in screen protector + clear back cover) in Black or Blue, plus a wrist strap for carrying near water.

How waterproof is it really?
It is IP68 certified and factory-tested 1,000 times at 6.6 ft / 2 m underwater for 1 hour. That covers pools, lakes, rain, and sinks — it is not intended for deep diving.

Does it work with wireless charging or MagSafe?
Honest answer: the Galaxy A51 itself does not support Qi wireless charging, so you will charge by opening the sealed USB-C port plug. This is not a magnetic case and does not add MagSafe.

What is the drop protection rating?
The full-body sealed design exceeds military standard and is rated for drops of 6.6 ft / 2 m — and unlike open cases, it also protects the screen face-down in puddles.

Does the fingerprint sensor work?
Yes — the A51's in-display optical sensor reads through the built-in protector. Re-register your fingerprint after installing for the most reliable unlock.

Can I take underwater photos?
Yes — the camera windows are optically clear. Set the volume keys as shutter buttons, because the touchscreen does not register through water.

Can I reach all buttons and ports?
Yes. Power and volume have sealed button covers, and the USB-C and headphone openings hide behind watertight plugs you flip open on dry land.

Do I need a separate screen protector?
No — the HD plastic screen protector is built into the front cover. Remove any add-on glass protector before installation or the case will not seal properly.

Can I attach a lanyard or strap?
Yes — a wrist strap is included and anchors to the corner strap hole, ideal for boats, bridges, and waterparks.

Will the clear back yellow over time?
The back panel is hard polycarbonate, not soft TPU, so it resists the UV yellowing that plagues cheap clear cases.

Is it professional enough for daily use?
Yes — the Black version reads as a clean, slim rugged case, and at 1.3 cm total thickness it still slides into a jeans pocket.

Is this a good gift?
Yes — for A51 owners who swim, fish, or work outside, it is the rare under-$50 gift that solves a real problem, and free 30-day returns cover any second thoughts.

How should I test it before trusting it?
Run the empty-case dunk test (30 minutes submerged with a paper towel inside) after purchase and after any drop — 30 seconds of checking protects years of phone.

What is the return policy?
Yes — Gorilla Cases offers free 30-day returns on all Samsung Galaxy A51 cases. If the case doesn't fit your Galaxy A51 or you're not satisfied, contact our team within 30 days for a fast replacement or full refund. No restocking fees.

Why Gorilla Cases?

Gorilla Cases exists because phones should go where you go — including underwater. The Gorilla Family trusts us because we drop-test and dunk-test every design, describe honestly what each case can and cannot do, and back every order with free 30-day returns. Your Galaxy A51 is still a great phone; seal it up and take it swimming. Shop now at gorillacasestore.com

Read More From Gorilla Case Blogs

Wondering why the A series deserves first-class protection? Read Why the Galaxy A Series Deserves a Dedicated Case Lineup, then see how Samsung waterproof armor performs on the Galaxy S20 FE Waterproof Case: Rugged Full-Body Protection.