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Samsung Galaxy S23 Ultra 5G, US Version, 256GB, Green - Unlocked (Renewed)

  • Based on 3,479 reviews
Condition: Refurbished - Excellent
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Availability: 16 left in stock
Fulfilled by Flip Cells

Arrives Sunday, Aug 30
Order within 17 hours and 13 minutes
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Service provider: Unlocked


Color: Green


Size: 256GB


Features

  • 6.8" Dynamic AMOLED 2X QHD+ display with 1120 Hz adaptive refresh rate, up to ~1750 nits brightness, HDR10+ support, and ultra-smooth responsiveness for gaming and scrolling.
  • Powerful 200 MP camera system with ultrawide, 3 telephoto, and 10 periscope telephoto lenses, enabling 100 Space Zoom, enhanced Night Mode, 8K video recording, and advanced Pro/RAW shooting options.
  • Snapdragon 8 Gen 2 for Galaxy processor paired with fast UFS 4.0 storage and up to 12 GB RAM, delivering top-tier performance for multitasking, gaming, and demanding workloads.
  • 5,000 mAh battery with 45 W fast wired charging, 15 W wireless charging, and wireless power-sharing, designed for all-day heavy use and faster refill times.
  • Built-in S Pen stylus for precise writing, drawing, and productivity features, along with durable Gorilla Glass Victus 2, IP68 water/dust resistance, enhanced speakers, and long-term Android/One UI software support.

Description

The Samsung Galaxy S23 Series is a high-end smartphone known for its large, vibrant display, powerful camera system, and included S Pen. It features a 6.8-inch Dynamic AMOLED 2X display, a quad-camera setup with a 200MP main sensor, and the Snapdragon 8 Gen 2 processor. The device also offers 5G connectivity, ample storage and RAM options, and a long-lasting battery.

Brand: Samsung


Operating System: Android


Ram Memory Installed Size: 8 GB


CPU Model: Snapdragon


CPU Speed: 2 GHz


Memory Storage Capacity: 256 GB


Screen Size: 6.8 inches


Resolution: 1440x3088


Refresh Rate: 120


Model Name: Galaxy S23 Ultra


Operating System: Android


RAM Memory Installed: 8 GB


Processor Series: Snapdragon


Processor Speed: 2 GHz


Memory Storage Capacity: 256 GB


Color: Green


SIM Card Slot Count: Dual SIM


Connector Type: USB Type-C 3.2


Form Factor: Bar


Biometric Security Feature: Fingerprint Recognition


Human-Interface Input: Touchscreen with Stylus Support


Sim Card Size: Nano


Water Resistance Level: Water Resistant


Headphones Jack: No headphone jack


Flash Memory Supported Size Maximum: 256 GB


Rear Facing Camera Photo Sensor Resolution: 200 mp


Camera Description: Rear


Shooting Modes: Night Mode


Number of Rear Facing Cameras: 4


Number of Front Cameras: 1


Battery Capacity: 5000 milliamp_hours


Battery Description: Lithium-Ion


Battery Power: 5000 milliamp_hours


Battery Average Life: 18 hours


Phone Talk Time: 36 hours


GPS Geotagging Functionality: True


Screen Size: 6.8 inches


Resolution: 1440x3088


Refresh Rate: 120


Display Type: AMOLED


Display Resolution Maximum: 1440 x 3088 pixels


Display Pixel Density: 500 pixels_per_inch


Wireless Provider: Unlocked for All Carriers


Cellular Technology: 2G, 3G, 4G, 5G


Connectivity Technology: Bluetooth


Wireless Network Technology: Wi-Fi


Brand: Samsung


Model Year: 2023


Built-In Media: Charging Cable


Warranty Description: 90 days limited warranty


Manufacturer: Samsung


Model Series: 2023


UPC: 733428253184


Unit Count: 1 Count


Item Weight: 8.32 ounces


Item Dimensions: 6.43 x 3.07 x 0.35 inches


Effective Video Resolution: 8 kilopixel


Video Capture Resolution: 4k


Frame Rate: 30 fps


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Aug 30

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Awsome phone
Service provider: Unlocked Color: Phantom Black Size: 256GB
Feels Premium Right out of the box, you can tell this phone is built like a tank. The glass and metal feel sleek, solid, and high-end in your hand. Awesome Screen and Speed The display is huge, bright, and super sharp. Everything loads instantly, apps never lag, and playing games on it is super smooth. The Cameras Are Insane The photos come out crisp every single time, even at night. The zoom is the real party trick though—you can take clear pictures of things impossibly far away. Battery Lasts All Day I easily get through a full day of heavy streaming, photos, and browsing without stressing about finding a charger before bedtime. ... show more
Reviewed in the United States on July 27, 2026 by Yoshi

  • Refurbished Excellent Condition
Service provider: Unlocked Color: Lavender Size: 256GB
Wow. I Was skeptical of getting a refurbished phone. But I'm amazed the phone is practically brand new no scratches ,very well packaged came with a wall charging piece. Im very happy with this purchased. The battery last a long while too.
Reviewed in the United States on August 6, 2026 by aminah freeman

  • Buyer beware
Service provider: Unlocked Color: Phantom Black Size: 256GB
Do not buy from ecobuyphone. I had ordered a "excellent" condition Samsung s23 ultra refurbished. Recieved correct model but phone was a previously damaged and repaired. When i recieved phone, i noticed lower right camera had damage & rattled when shook but phone appeared to function properly. Few weeks of using it and screen cracked from normal use (no drops & has been in otterbox since i activated it with liquid glass as well) Was only cosmetic and small so continued to use 2 months later i had it in pocket and put keys in pocket, that causes it crack all way across in a different area from first crack. Went to ubreakifix to get a new screen. The screen completely disintegrated when removing. They called me and told me the screen was not an owm samsung & it was very thin. Apparantly this is a common problem for a cheap repair to get rid of phone. I was still ok with that & the 330$ replacement screen until they called back and alerted me that they had a new screen on it and everything was fixed and working great but tue phone couldnt be released because of a previois repair ticket being opened in this phone. Samsung wont allow them to trplace or repair until the previous ticket is resolved. Long story short, i now have a 500$ paperweight with no screen as they had to remove the newly installed screen before returning phone. The old was was too damaged to reinstall Buyer beware ... show more
Reviewed in the United States on August 18, 2026 by david thomas

  • Solid great phone so far...
Service provider: Unlocked Color: Phantom Black Size: 256GB
Phone showed up in great condition with only a couple scuffs on the frame that are barely noticeable. Battery life seems solid so far have an app testing it but hasn't cycled enough to tell me what percentage it's at. Screen is in great shape no scratches and seems gem or decent quality replacement anyway. It is a Canadian model but as far as I can tell that has no effect on anything. Took many hours of updating os then the security updates from 2023 til now that was tedious waitng for one at a time to download and install. Will update if anything changes. ... show more
Reviewed in the United States on July 7, 2026 by Jose

  • Worth every penny --But please read to avoid any issues
Service provider: Unlocked Color: Green Size: 512GB
I waited about a week before posting to get a feel for the device and ensure everything works well. Before the full review I want to note that I posted an unboxing video. The phone arrived in bubble wrap with a generic 10 watt charger included. Do not use that charger — plan to purchase a minimum 45 watt charger and a high quality cord. Using the included charger may cause battery overheating, slow charging, and long term battery damage. Another concern was that when I plugged the phone in for its initial full charge, I received a water detection warning. I tested three of my S22 Ultra cables that have never had issues and got the same warning each time. I used a small cool fan briefly, stood the phone upright. Just be cautious and double check your charging port before use. The water detection warning has not returned once since that first day — the fix worked completely. The phone also did not come with a SIM card removal tool. If you don't have one, the back of an earring works surprisingly well as a backup — that's always been my go-to. Luckily I had my own tool for the SIM swap. (These are the reasons I couldn't give 5 stars. Had I not caught these issues — especially the charger — I would likely have been frustrated enough for 1 or 2 stars.) That said, this phone is amazing. I'm coming from the S22 Ultra so the UI was immediately familiar, with many similar features and an easy transition. The biggest improvement is the processor — App installation, gaming without lag, browsing, music from the internal speakers, all noticeably better across the board. Most notably for my usual activities, game downloads that took 2+ minutes on my S22 Ultra now complete in approximately 10 seconds on the S23 Ultra. The difference is genuinely dramatic. I transferred approximately 128GB of apps and data wirelessly from my S22 Ultra in about 40 minutes. A USB-C to C cable would have been faster, but after the water detection warning I didn't want to use a cord for that step. The 40 minutes was likely influenced by the transfer speed of the older S22 Ultra as the source device. After the transfer, everything was loaded exactly as it was on my previous phone — it connected to my WiFi without entering a password, and my Samsung biometrics remembered passwords for each app, making it seamless to use immediately. The battery does not overheat the way the S22 Ultra is well known to do, which was a major concern of mine going in. The condition was as described. There were two very small micro cracks near the edge, but after applying a screen protector they are completely invisible. If they ever become visible I'll simply use a liquid glass repair solution. After extensive research I'm not concerned about the screen integrity. The camera is phenomenal. I was always impressed with the S22 Ultra camera, but the increased resolution makes every shot noticeably more vivid. Photos look almost better than real life, with no extra steps needed — just point and shoot. The 512GB storage is more than I'll likely ever need, even with a heavy volume of photos, videos and apps. I don't see myself coming close to capacity. I spent considerable time deciding between the S23 and S24 Ultra. After thorough research the benefits of paying several hundred dollars more for a marginally better camera and minor improvements weren't justified. This phone represents an incredible upgrade at a very reasonable price. Edit: After using for about a month i wanted to note that the battery lasts for an extreme long time, the photos are absolutely incredible, the processing speed... is unmatched, I used to lag, or have apps crash, now everything is seemeless. This is just an amazing phone! ... show more
Reviewed in the United States on May 13, 2026 by Rose Peterson Problem Solver!

  • Phone is awesome, but mine was network locked to AT&T. Read review in full!
Service provider: Unlocked Color: Green Size: 512GB
It is almost identical to my last phone, the S22. I dropped the s22 and went ahead and bought this S23 Ultra. They replaced the screen on the S22 in 4 hours and it is excellent renewed. Instead of returning this s23 ultra I decided to keep it. This S23 Galaxy ultra should last many years. One issue I encountered was that the phone was locked to AT&T unlike what was advertised. I chose to use Unlockme mobile to unlock. Not recommended. It took 5 days and instead of charging me the initial 24 dollars that I paid at the beginning, at the very end they charged me $96.00 for the unlock code. A big scam. I found out that in my call to AT&T that they no longer give unlock codes and recommend to me to use Unlockme. I should have just returned the phone to Amazon. I didn't because I am confined to a nursing home and could not drop phone off at an Amazon drop off location. If phone is locked save $120 and just return it. ... show more
Reviewed in the United States on July 2, 2026 by Douglas H Cart

  • Came as advertised
Service provider: Unlocked Color: Green Size: 256GB
So far so good. I received it today. Didn't take very long at all to set it up with my service and get my number transfered over. Everything looks clean and brand new. The phone itself works perfectly. 👍
Reviewed in the United States on August 5, 2026 by Travis Wells

  • The Biggest Waste of Money I've ever had the Displeasure of Owning
Service provider: AT&T Color: Phantom Black Size: 256GB
I want to be clear about something before I get into the details: I am not a difficult customer. I do not leave reviews like this lightly. But what I received from this seller was not a refurbished phone, that implies the phone actually works. From the moment I attempted to set this phone up, it was restarting. During initial configuration. During data transfer. During update attempts. Every single time I tried to install an available update the phone threw the same useless error message at me and gave up. A device that cannot update itself out of the box is not a functioning device. What I eventually discovered was that this phone shipped with firmware from September 2025, five updates behind current at the time of purchase. Five. It's likely someone wiped and put it back in a box. In order to get this device to a functional state I was forced to manually flash the firmware myself using Samsung Smart Switch on my PC. This took multiple attempts over several hours. One failed flash left the phone stuck on a cyan error screen. I had to force restart it into recovery mode just to get the home screen back. I did all of this just to reach the baseline a refurbished phone should have shipped at. After weeks of normal use following all of that, the phone is still randomly restarting. Sometimes once a day, sometimes every twenty seconds. Apps open and immediately crash. The behavior is inconsistent and unpredictable. I have been a Samsung user for years. I have never had a device that required this level of intervention just to function, let alone one that still failed after all of it. Save your money. Save your time. Save yourself the particular misery of spending an afternoon in recovery mode on a phone you bought two days ago. ... show more
Reviewed in the United States on April 13, 2026 by Brandon Katavich

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