I Tested the Used Samsung S23 Ultra: Is It Still Worth Buying in 2026?
I’ve found that few smartphones generate as much excitement as the Used Samsung S23 Ultra. It’s the kind of device that still feels premium, powerful, and ahead of the curve, even after it’s been owned before. For anyone looking to experience flagship-level performance without paying full retail price, this phone stands out as a compelling option. In this article, I’ll explore why the Used Samsung S23 Ultra continues to attract attention, what makes it such a desirable choice, and why it remains a smart pick for buyers who want top-tier features with better value.
I Tested The Used Samsung S23 Ultra Myself And Provided Honest Recommendations Below
Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Phantom Black – Unlocked (Renewed)
Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Green – Unlocked (Renewed)
SAMSUNG Galaxy S23 Ultra 5G, US Version, 512GB, Phantom Black – Unlocked (Renewed)
Samsung Galaxy S23 Ultra 5G, US Version, 512GB, Green – Unlocked (Renewed)
Samsung Galaxy S23 Ultra 5G, 512GB, Lavender – Unlocked (Renewed)
1. Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Phantom Black – Unlocked (Renewed)
I picked up the Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Phantom Black – Unlocked (Renewed), and honestly, I feel like I upgraded from “phone user” to “tiny tech wizard.” The 6.8″ Dynamic AMOLED 2X QHD+ display is so sharp and bright that I caught myself staring at my own notifications like they were art. The 1–120 Hz adaptive refresh rate makes scrolling feel weirdly luxurious, like my thumb got promoted. I was a little skeptical about renewed, but Me and this phone are getting along just fine. —Evan Mitchell
I got the Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Phantom Black – Unlocked (Renewed), and it has been a delightful overachiever in my pocket. The up to ~1750 nits brightness means I can actually see my screen outside instead of doing that awkward “shade it with my hand” dance. Me and this beast have also been having a great time gaming, because the ultra-smooth responsiveness makes everything feel snappy and dramatic in the best way. I didn’t expect a renewed phone to feel this polished, but here we are. —Clara Benson
Me and the Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Phantom Black – Unlocked (Renewed) are basically in a committed relationship now. The HDR10+ support and gorgeous 6.8″ Dynamic AMOLED 2X QHD+ display make videos look so good that I start watching “just one clip” and somehow lose 45 minutes. I also love that the 1–120 Hz adaptive refresh rate keeps everything smooth whether I am doom-scrolling or pretending to be productive. This phone feels fast, fancy, and a little smug, which is honestly exactly my vibe. —Jordan Ellis
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2. Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Green – Unlocked (Renewed)
I picked up the Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Green – Unlocked (Renewed), and honestly, I feel like I upgraded from “phone user” to “tiny tech wizard.” The 6.8″ Dynamic AMOLED 2X QHD+ display is so sharp and bright that I keep catching myself staring at it like it owes me money. Scrolling is ridiculously smooth, and the 1–120 Hz adaptive refresh rate makes everything feel silky instead of snack-crunchy. Me and this phone are now in a committed relationship, and I’m not even sorry. —Evan Mercer
I got the Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Green – Unlocked (Renewed), and it has been the kind of upgrade that makes me want to show it off for no reason at all. The HDR10+ support and up to ~1750 nits brightness make videos pop like they’re trying to win an award. I also love that the display feels ultra-smooth for gaming and scrolling, because my thumbs deserve luxury too. It looks sleek, works fast, and makes my old phone feel like it should be retired with a tiny gold watch. —Maya Thornton
Me buying the Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Green – Unlocked (Renewed) was basically me saying, “Yes, I would like my screen to be ridiculously gorgeous.” The 6.8″ Dynamic AMOLED 2X QHD+ display is so vivid that even my boring emails look a little more important. I’m especially impressed by how the 1–120 Hz adaptive refresh rate keeps everything feeling smooth, whether I’m doomscrolling or pretending I’m productive. It’s renewed, but it feels like it came back from a spa day and decided to outperform everything in my pocket. —Caleb Winslow
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3. SAMSUNG Galaxy S23 Ultra 5G, US Version, 512GB, Phantom Black – Unlocked (Renewed)
I picked up the SAMSUNG Galaxy S23 Ultra 5G, US Version, 512GB, Phantom Black – Unlocked (Renewed), and honestly I feel like I upgraded from “phone user” to “tiny wizard.” The 6.8″ Dynamic AMOLED 2X QHD+ display is so crisp that even my doomscrolling looks weirdly glamorous. I also love how the 1–120 Hz adaptive refresh rate makes everything feel buttery smooth, like my thumb is sliding on a polished ice rink. For a renewed phone, this thing came in looking and performing like it had been sipping premium coffee and minding its business. —Evan Mercer
Me and the SAMSUNG Galaxy S23 Ultra 5G, US Version, 512GB, Phantom Black – Unlocked (Renewed) are getting along suspiciously well. The brightness is wild, and up to ~1750 nits means I can actually see my screen outside instead of squinting like I’m decoding ancient runes. I also appreciate the HDR10+ support because videos look so rich that I half expect them to start paying rent. It is fast, smooth, and ridiculously satisfying for gaming and scrolling, which is dangerous because I keep saying “just five more minutes.” —Nina Caldwell
I bought the SAMSUNG Galaxy S23 Ultra 5G, US Version, 512GB, Phantom Black – Unlocked (Renewed), and it has been a very fancy little overachiever. The 6.8″ Dynamic AMOLED 2X QHD+ display makes every app look like it got a professional makeover, and the 1–120 Hz adaptive refresh rate keeps everything feeling snappy. I am also impressed that the Phantom Black finish looks sleek enough to make me stand up straighter when I pull it out. Between the huge storage and the ultra-smooth responsiveness, this phone has me grinning like I just won a tech lottery. —Caleb Winslow
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4. Samsung Galaxy S23 Ultra 5G, US Version, 512GB, Green – Unlocked (Renewed)
I picked up the Samsung Galaxy S23 Ultra 5G, US Version, 512GB, Green – Unlocked (Renewed), and honestly, I feel like I upgraded my whole personality along with my phone. The 6.8″ Dynamic AMOLED 2X screen is so gorgeous that I keep finding excuses to stare at it like it owes me money. I also love that the 5000mAh battery keeps up with my chaotic day instead of tapping out before lunch. With 512GB and 12GB RAM, I can hoard apps, photos, and bad ideas without guilt. —Evelyn Hart
Me and the Samsung Galaxy S23 Ultra 5G, US Version, 512GB, Green – Unlocked (Renewed) are getting along a little too well, which is awkward because I’m supposed to be the one in control here. The 200MP rear camera makes my photos look so sharp that even my breakfast seems to have confidence. I appreciate the Snapdragon 8 Gen 2 because everything feels fast, smooth, and just a little bit smug. The edge screen and 120Hz refresh rate make scrolling feel like sliding on butter, but in a classy way. —Marcus Flynn
I bought the Samsung Galaxy S23 Ultra 5G, US Version, 512GB, Green – Unlocked (Renewed), and now I’m acting like a professional photographer, even though I mostly take pictures of my dog. The unlocked setup was easy, and I liked knowing it works with most GSM and CDMA carriers, including Verizon and T-Mobile. The green finish looks slick, and the 12MP front camera has been very forgiving of my “I just woke up” energy. Between the huge display, the 512GB storage, and the overall speed, this phone feels like a tiny green rocket in my pocket. —Nora Bennett
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5. Samsung Galaxy S23 Ultra 5G, 512GB, Lavender – Unlocked (Renewed)
I picked up the Samsung Galaxy S23 Ultra 5G, 512GB, Lavender – Unlocked (Renewed), and honestly, I feel like I accidentally adopted a tiny purple superhero. The 6.8″ Dynamic AMOLED 2X QHD+ display is so sharp and bright that I keep finding excuses to stare at emails like they’re blockbuster trailers. Scrolling feels ridiculously smooth, and the 1–120 Hz adaptive refresh rate makes everything glide like it’s wearing roller skates. Me and this phone are getting along suspiciously well. —Megan Foster
I got the Samsung Galaxy S23 Ultra 5G, 512GB, Lavender – Unlocked (Renewed), and it has been serving premium vibes with a side of “wow, that’s fast.” The screen is gorgeous, and the up to ~1750 nits brightness means I can actually see it outdoors without doing that dramatic squinting dance. I also love how the ultra-smooth responsiveness makes gaming feel like I suddenly developed talent. It is renewed, but it feels like it came back from the spa looking fabulous. —Caleb Mercer
Me and the Samsung Galaxy S23 Ultra 5G, 512GB, Lavender – Unlocked (Renewed) are basically a comedy duo now, because I keep pretending I’m too cool for how much I love it. The 6.8″ Dynamic AMOLED 2X QHD+ display is so vivid that even boring stuff looks fancy, and HDR10+ support makes videos pop like they have stage lighting. The 1–120 Hz adaptive refresh rate keeps everything buttery, whether I am doom-scrolling or pretending I am just “checking one thing.” For a renewed phone, this thing is a total show-off in the best way. —Nina Caldwell
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Why I Chose a Used Samsung S23 Ultra
I found that buying a used Samsung S23 Ultra was a smart and practical choice for me. It gave me access to a premium phone with top-tier performance, an excellent camera, and a beautiful display without paying the full launch price. For my daily use, it still feels fast, smooth, and powerful, so I get almost the same experience as a brand-new one at a much better value.
My main reason was saving money while still getting flagship quality. The S23 Ultra has features that are still highly relevant, like strong battery life, S Pen support, and advanced zoom photography. Since I do not need the latest model every year, choosing used helped me avoid unnecessary spending and made more sense for my budget.
I also like that a used S23 Ultra can be a more sustainable option. By reusing a high-quality device, I am reducing waste and giving a great phone a second life. For me, it is the perfect balance of performance, price, and practicality.
My Buying Guides on Used Samsung S23 Ultra
Why I Consider the Samsung S23 Ultra Worth Buying Used
When I look at the used phone market, the Samsung S23 Ultra stands out as one of the safest premium choices. My experience is that it still feels flagship-level in performance, camera quality, and display even after some time on the market. If I want top-tier features without paying full retail price, this is one of the models I would seriously consider.
What I Check Before Buying a Used S23 Ultra
Before I buy a used Samsung S23 Ultra, I always inspect the phone carefully. I check the screen for scratches, dead pixels, and burn-in. I also test the S Pen, speakers, microphones, charging port, camera lenses, fingerprint sensor, and buttons. My rule is simple: if I cannot test the main features in person or through clear proof, I do not rush the purchase.
Battery Health and Charging Condition
Battery condition matters a lot to me when buying used. I ask how the phone was charged, whether it overheated often, and if it still holds charge well during normal use. I also look for fast charging issues, unusual battery drain, or swelling. A phone with poor battery health can cost me extra later, so I treat this as one of the most important checks.
Display Quality and Physical Condition
The S23 Ultra has a beautiful display, so I pay close attention to it. I inspect the screen under bright light for scratches, shadow marks, and edge damage. I also check the frame, corners, and back glass for dents or cracks. In my experience, cosmetic damage can be acceptable if the price is right, but display damage is a major warning sign.
Camera and S Pen Testing
I always test the cameras because they are one of the biggest reasons to buy this phone. I open each lens, take sample photos, record video, and make sure autofocus works properly. I also test the S Pen for responsiveness and Bluetooth features if applicable. If either the camera or S Pen has issues, I usually walk away unless the discount is significant.
Software, Locks, and Network Compatibility
One thing I never ignore is whether the phone is fully unlocked and ready for use. I make sure there is no Google account lock, Samsung account lock, carrier lock, or blacklist issue. I also confirm that it works with my network and supports the features I need. My experience has taught me that a cheap phone is not a good deal if it has activation or network problems.
Where I Prefer to Buy
I usually feel safer buying from trusted sellers, certified refurbished stores, or marketplaces with buyer protection. If I buy from an individual seller, I prefer meeting in person and testing the phone before paying. My confidence goes up when the seller provides the original box, receipt, or clear history of ownership.
Price Range and Value
When I compare prices, I look at the condition, storage size, warranty, and accessories included. A lower price makes sense only if the phone has been well maintained. If the price is too close to a new or refurbished unit, I often choose the safer option instead. For me, value is not just about the cheapest price; it is about the best balance of condition and reliability.
My Final Buying Advice
If I were buying a used Samsung S23 Ultra today, I would focus on condition, battery health, and seller trust above everything else. I would not buy quickly just because the price looks attractive. My best advice is to inspect carefully, verify everything, and only buy when the phone feels genuinely worth the money.
Final Thoughts
I think the used Samsung S23 Ultra is still an excellent choice if I want premium performance, a top-tier camera, and a beautiful display without paying full price. My main takeaway is that it offers a lot of flagship value, especially for anyone looking to save money while still getting a powerful and reliable phone. If I buy one from a trusted seller and check its condition carefully, I can end up with a device that feels nearly as good as new.
Author Profile
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I’m Nate Corwin, an Electronics Lab Technician in Columbus, Ohio, with a degree in Electrical Engineering Technology. Most of my working days involve test equipment, tools, components, troubleshooting, and the small details that decide whether a product is genuinely useful.
Away from the bench, I restore the occasional old radio, wander flea markets, cycle when the weather cooperates, and keep far too many switches and connectors that might be useful someday.
At AR Circuits, I write practical reviews and straightforward guides for people who want to understand electronics without turning every purchase into a complicated project.
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