SQMCase S26 Ultra Wallet Case Review: Just How Slim Is It?
A slim wallet case for the Galaxy S26 Ultra with a hidden sliding card slot for 2 cards, dual-layer PC and TPU protection, and wireless charging support.
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Quick Verdict
A wallet case that holds 2 cards and still keeps the Galaxy S26 Ultra thin enough to pocket without a fight. The sliding back door is the whole point, and it works with wireless charging still on.
Buy if you:
- Want to carry an ID and a card without a separate wallet
- Own the Galaxy S26 Ultra 5G, the 6.8-inch 2026 model
- Like a slim profile over a bulky folio flip case
- Still want to drop your phone on a wireless pad
Skip if you:
- Need to carry more than 2 cards plus cash at once
- Want a full folio flip cover that shields the screen
- Have any phone other than the S26 Ultra 6.8-inch
| Compatibility | Galaxy S26 Ultra 5G, 6.8 in (2026) |
|---|---|
| Card storage | Hidden sliding slot, holds 2 cards |
| Materials | Hard PC back + soft TPU inner layer |
| Wireless charging | Supported |
| Color | Blue |
| Warranty / returns | 30-day refund, 24-hr support |
The S26 Ultra Wallet Case Slide Door Pitch

Slim and wallet case usually don’t belong in the same sentence. That’s what pulled me into this SQMCase S26 Ultra wallet case. Most card cases on the S26 Ultra add a chunky flap or a snap-on pouch that ruins the pocket feel. This one hides the cards inside a sliding door built into the back, so the phone stays close to its natural thickness. Two cards go in, the door slides shut, and from the front you’d never know it’s a wallet at all.
What’s Inside the Case
It’s a dual-layer case built specifically for the 6.8-inch Galaxy S26 Ultra 5G from 2026. The back is a hard PC plastic shell that handles scratches and takes the hit on a drop. The inner liner is soft TPU, which is the part that hugs the phone and doesn’t chew up the finish. The card slot sits on the back and holds 2 cards, credit card, debit, ID, license, or a folded bit of cash. The slide door keeps them locked in rather than relying on friction alone.
How Slim It Actually Feels in Hand
The title asks the question, so here’s the answer: it’s genuinely pocketable. The card slot raises the back where the 2 cards stack, but the bump is localized, your palm doesn’t register a slab. A folio wallet case feels like you duct-taped a small notebook to the back; this feels like the phone gained about a millimeter and a half, not a centimeter. The raised bumper around the screen and the raised edge around the camera do their job of keeping the glass and the lenses off flat surfaces. Precise cutouts line up with the ports and buttons, so nothing feels blocked or mushy.
The Two-Card Ceiling
Two cards is the limit, and that’s the catch worth knowing before you buy. If you’re the person who wants to ditch a wallet entirely, this isn’t going to hold your whole stack. It’s designed for the essentials, a card and an ID, maybe a folded bill. Push past 2 and the slide door won’t close right. So it’s a minimalist wallet, not a wallet replacement. If you carry five cards plus cash, you’ll be disappointed. If you carry two, it’s exactly the right size.
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SQMCase S26 Ultra Wallet Case
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Who This Case Fits
The use case is narrow and that’s the point. If your daily carry is a credit card, an ID, and your S26 Ultra, gym bag, coffee run, dog walk, this replaces the wallet entirely and adds nothing noticeable to your pocket. Where it falls apart is the charging worry people always have with wallet cases: don’t bother. Leave the cards in, drop it on a Qi pad, it charges. The only exception is metal or RFID-shielded cards, which can stutter on any wallet case regardless of brand.
Slide Wallet vs a Folio Flip Case
The other main option for card-carrying on the S26 Ultra is a folio flip case, the kind with a leather-style front cover and card slots inside the flap. Those hold more cards, usually three or four, and the cover shields the screen. The trade-off is bulk and weight. A folio roughly doubles the phone’s footprint and adds a flap you have to fold back every time you check a notification. This SQMCase does the opposite. Fewer cards, no front cover, but a much slimmer everyday feel. The decision is actually simple: if you check your phone 80 times a day, folding back a folio flap every time will drive you insane inside a week. Take the SQMCase. If you routinely drop your phone face-down on hard surfaces and want the screen shielded, pay the bulk tax and get the folio.
Advice Before You Order
Double-check your model first. This fits the 6.8-inch S26 Ultra 5G from 2026 and nothing else, so if you’re on an S24 or S25 Ultra it won’t line up right. Load the slot with the cards you use most, not your whole wallet, since 2 is the working limit. The blue is the only color listed, so if you want black or a neutral shade you may be out of luck. And there’s a 30-day refund window plus a 24-hour support promise, which is worth knowing if the fit or the slide door isn’t what you expected.
Pros
- Stays slim for a wallet case, no brick-in-pocket feel
- Sliding back door keeps 2 cards locked in securely
- Wireless charging still works with the case on
- Dual-layer PC and TPU build with raised screen and camera edges
- Made with at least 50% recycled material
Cons
- Hard 2-card ceiling, not a full wallet replacement
- No front cover, so the screen isn’t shielded like a folio
- Only listed in blue
- Fits the S26 Ultra 6.8-inch and nothing else
Frequently Asked Questions
Does wireless charging work with the cards inside?
Yes, the case supports wireless charging. The card slot sits off to one side of the back, so the charging coil area stays clear. That said, metal cards or RFID cards can sometimes interfere with charging on any wallet case, so if charging stutters, pull the cards for that session.
Will it fit my Galaxy S24 or S25 Ultra?
No. It’s cut specifically for the Galaxy S26 Ultra 5G, the 6.8-inch 2026 model. Older Ultra phones have different button and camera placement, so the cutouts won’t line up. Match your exact model before ordering.
How many cards can it actually hold?
Two cards, per the slot design. You can push a folded bill in alongside them, but the slide door is built to close cleanly on 2. Overload it and the door won’t sit flush.
Is the case drop-protective?
It’s a dual-layer shockproof design with a hard PC back and soft TPU inner layer. Raised bumpers around the screen and lifted edges around the camera keep the glass off flat surfaces on a face-down drop. It’s built for everyday bumps rather than extreme rugged use.
Can I clean it, and how?
Pop the phone and cards out, then wipe the case with a slightly damp cloth. The PC and TPU materials handle a mild wipe-down fine. Skip harsh solvents, which can cloud the plastic or degrade the TPU over time.
Does the card slot scratch the cards?
The slide door design holds the cards in a covered slot rather than an open friction pocket, so they’re protected from sliding in and out repeatedly. Cards with raised numbers may show minor wear over long-term use, which is true of any card case.
What color options are there?
Blue is the listed color for this SQMCase model. If you’re after black or a neutral tone, check the product page in case other finishes have been added since.
What’s the return policy if it doesn’t fit right?

There’s a 30-day free refund or replacement policy, plus a customer service promise to respond within 24 hours. So if the fit or the slide door isn’t what you hoped, you’ve got a window to send it back.
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Get it now
SQMCase S26 Ultra Wallet Case
Get the best price on Amazon →This post contains affiliate links. I may earn a commission at no extra cost to you.