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Diverbox Waterproof Case (iPhone SE 2020 / 8) Review: Cheap Insurance, Not a Guarantee

2.9 · Average
TINY TECH BOX SCORE

The Diverbox is a full-body IP68 case for the older 4.7-inch iPhones — SE 2020, SE 2022, 8 and 7 — with a built-in screen protector and a sealed port flap, for around $20. It’s aimed at beach and pool days on a phone you could afford to replace. Whether the seal holds comes down to one fussy piece of plastic.

Reviewed by the Tiny Tech Box team · Not a hands-on test — written from Diverbox’s published specs, the live Amazon US listing and owner reviews · Last checked August 26, 2026

Version reviewed: Diverbox Waterproof Case for iPhone SE 2020 / iPhone 8, IP68 full-body with built-in screen protector, 4.7-inch, Black · ASIN B08BBZKY4V · Amazon US listing · no separate manufacturer model number is printed on the listing.

One-sentence verdict: Reasonable cheap insurance for a beach or pool day with an old 4.7-inch iPhone if you can live with muffled sound and check the port flap every time — not something to trust with a phone you can’t replace.

Product photos

Black Diverbox full-body waterproof case sealing a 4.7-inch iPhone SE, with a built-in screen protector and a hinged charging-port flap.

A budget full-seal case for older 4.7-inch iPhones — the port flap is the part that lets people down.

Image source: Amazon.com

Review summary

2.9 / 5
Average
Best forPeople with an older 4.7-inch iPhone who want cheap water protection for a beach or pool day and can accept muffled sound and a fussy port flap.
Not ideal forAnyone who needs a reliable everyday seal, clear audio, or protection they can fully trust with an irreplaceable phone.
Current price$19.99 on Amazon
Price checkedAugust 26, 2026
Version reviewedDiverbox Waterproof Case · iPhone SE 2020 / SE 2022 / 8 / 7 (4.7-inch) · Black · ASIN B08BBZKY4V · Amazon US

Pros and cons

Pros
  • It is very cheap water protection — around $20 for a full IP68 seal on a phone that is itself inexpensive to replace.
  • Full-body design covers the screen and back without buying extra film.
  • A large review base for a budget case (around 3,800 ratings), so you are not buying an unknown.
  • Fits several older 4.7-inch iPhones, so it is useful for a hand-me-down or backup phone.
Cons
  • The charging-port flap is the weak link — owners report it not staying closed, which undermines the whole seal.
  • Sound is muffled through the case, the usual full-seal penalty.
  • Seal reliability is inconsistent — a meaningful minority of owners report water getting inside.
  • Durability reports run from ‘amazing’ to ‘broke almost immediately’.

The review

Design and build quality

This is a two-piece sealed case in the standard budget-waterproof style: a front frame with a built-in screen film, a back shell, rubber gaskets around the seam, and a hinged flap over the charging port. The moulding is fine for the money. The recurring build complaint is the port flap — it is small and its latch is not confident, and owners frequently report it popping open, which is exactly the failure that lets water in.

Setup and ease of use

Clean the gasket, seat the phone, close and latch the two halves and the port flap. Diverbox and common sense both say to do a water test with the phone out first. Getting a consistent seal takes care each time, and a rushed close is the usual reason water gets in.

Performance

For a sealed case the seal, sound and everyday use are the measures. The seal works when everything is latched properly, but the port flap makes ‘properly’ less reliable than it should be. Sound is muffled. Touch through the screen film is usable. There is no MagSafe and wireless charging is blocked while the case is sealed, so you charge through the flap or take the case off.

Compatibility

Works with:

Not compatible:

Durability and warranty

Owner reports are genuinely split — long, happy use for some, quick failure for others — which is common for cases at this price. There is no published warranty. Given the low cost, treat it as semi-disposable and re-test the seal before every serious water use.

Price and value

At $19.99 on Amazon (checked August 26, 2026), the price is right for what it is: throwaway-priced insurance for a cheap, older phone. Its 3.9-star average across around 3,800 buyers is a fair reflection — it works for a lot of people and fails for enough that you should not rely on it.

For a beach day with an SE you would not cry over, it is reasonable. For anything you would miss, spend more on a better-sealed case or use a dry bag. We would treat anything under about $16 as the right price.

Diverbox Waterproof — iPhone SE 2020 / 8
$19.99

3.9 ★ from 3,800 Amazon ratings · price & rating checked August 26, 2026

Price and availability may change after the date shown.

Compared with alternatives

ProductBest forKey advantageMain drawbackPrice
Diverbox Waterproof Case (iPhone SE 2020 / 8, this case)Cheap water protection for an old 4.7-inch iPhoneFull IP68 seal for around $20; large review basePort flap pops open; muffled audio; ingress reports$19.99
OtterBox FRĒ Series (newer iPhones)A proven-brand full-seal case (iPhone 17 line)Established IP68 design plus MIL-STD-810G drop testing~$100; only for current phones; also muffles audio$99.99
TORRAS Magnetic Shockproof (iPhone 17 Pro)Drop protection with no compromises (newer phones)Slim, ~$26, clear audio, strong MagSafeNot waterproof; no fit for older SE / 8$25.99

For a phone you actually care about, a dry bag or a better-sealed case is the safer call than a $20 case with a temperamental port flap. If you have upgraded phones, the OtterBox FRĒ (sealed) or TORRAS Magnetic Shockproof (everyday) are the modern picks. Prices are Amazon figures from August 26, 2026.

Who should buy it?

Buy it if
  • You have an old SE or iPhone 8 you would not be devastated to lose.
  • You want cheap water cover for an occasional beach or pool day.
  • You will take the time to latch and water-test the seal each time.
Skip it if
  • The phone matters to you — the port flap and inconsistent seal are too risky.
  • You want clear audio — the seal muffles it.
  • You have a newer phone — this only fits the 4.7-inch SE / 8 / 7 body.

Final verdict

For around $20, the Diverbox does put a full IP68 seal around an old 4.7-inch iPhone, and for a lot of owners it has done its job on beach and pool days. On a phone that costs little to replace, that is reasonable insurance.

The reasons for caution are consistent: the charging-port flap does not latch confidently and is widely reported to pop open, sound comes through muffled, and a real minority of owners report water getting in. Durability reports swing from excellent to immediate failure. Its 3.9-star average captures a case that works often enough to sell well and fails often enough that you should not trust it with anything you would miss.

Score breakdown

CategoryScore
Design — standard budget sealed case; the port flap is the weak point3 / 5
Value — cheap enough to treat as disposable insurance3.5 / 5
Performance — seals when latched right, but the flap and muffled audio undercut it2.5 / 5
Build & Durability — reports swing from ‘amazing’ to ‘broke immediately’; no warranty2.5 / 5
Compatibility & Ease of Use — fits several old 4.7-inch iPhones; finicky to seal, no wireless charging3 / 5
Overall2.9 / 5 · Average

Each aspect is scored from 1 to 5. The overall score is the average of the five, shown to one decimal place. Verdict bands: 4.5–5.0 Hell Yeah, 3.5–4.4 Would Buy, 2.5–3.4 Average, 1.0–2.4 Trash.

Specification

Brand / lineDiverbox — Waterproof Case
Compatible modelsiPhone SE (2020), iPhone SE (2022) and iPhone 8 / 7 — the 4.7-inch body
Water / dust resistanceIP68; Diverbox rates submersion to about 2 m (6.6 ft) for around 30–60 minutes
ConstructionFull-body sealed enclosure with a built-in screen protector, gaskets and a hinged charging-port flap
Drop protectionDiverbox claims survival of repeated drops from ~2 m; no MIL-STD certificate published
MagSafeN/A — these phones and this case are not MagSafe
Wireless chargingBlocked while sealed; remove the case to charge on a Qi pad
Magnet strengthN/A
ColorsBlack, Purple, Red and others
WeightN/A
ThicknessN/A
In the boxCase (front + back), lanyard
WarrantyN/A
ASINB08BBZKY4V
ManufacturerDiverbox

Figures marked “Diverbox” are the manufacturer’s published claims. “N/A” means the value is not listed on the Amazon listing.

Frequently asked questions

The 4.7-inch body: iPhone SE (2020), iPhone SE (2022), and iPhone 8 / 7. It does not fit the first-gen SE or any Face ID phone.

It is rated IP68 and seals when every latch and the port flap are closed correctly. Owners do report water getting in, usually after a rushed close or with the flap not fully shut. Always water-test with the phone out first.

Its latch is not confident, and owners frequently report it popping open on its own — which is the exact failure that breaks the seal.

No. Like every full-seal case, the speaker and microphone are muffled.

No. These phones and this case are not MagSafe, and wireless charging is blocked while the case is sealed. Charge through the port flap or remove the case.

For an old SE you wouldn’t miss, on an occasional water day, yes. For a phone you care about, use a dry bag or a better-sealed case.

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Sources: Amazon product listing (ASIN B08BBZKY4V), read Aug 26, 2026 · Diverbox waterproof case listings for IP68 and drop claims · retailer listings (cross-check). Figures attributed to Diverbox are the manufacturer’s published claims; the rating, price and buyer feedback are from the live Amazon listing on the date shown.