Galaxy S23 Ultra 256GB – Black – Unlocked
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The Samsung Galaxy S23 Ultra 256GB Black delivers premium performance with a powerful processor, a stunning Dynamic AMOLED 2X display, and an advanced 200MP quad-camera system.
Original price was: £650.00.£375.00Current price is: £375.00.
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Why choose this Galaxy S23 Ultra 256GB - Black - Unlocked?
The Galaxy S23 Ultra 256GB Black is built for people who want the most from their phone camera and screen without making any compromises. The 200MP main sensor, built-in S Pen, and 6.8-inch Dynamic AMOLED QHD+ display set it clearly apart from most phones at any price. The 5000mAh battery with 45W charging keeps you going all day. Fully unlocked, every handset includes a one-year warranty and a 30-day returns window.
Description
The Galaxy S23 Ultra 256GB Black is a refurbished Android smartphone fully tested and restored to working order before dispatch. It runs One UI 5 on Android 13, upgradeable to later versions, with the Snapdragon 8 Gen 2 for Galaxy chipset and 12GB of RAM providing a quick, responsive experience. The 6.8-inch QHD+ Dynamic AMOLED 2X display runs at up to 120Hz with 2200 nits peak brightness for strong outdoor visibility. The quad rear camera is led by a 200 MP main sensor with OIS, supported by a 12 MP a 10 MP 3x telephoto with OIS, and a 10 MP 10x periscope telephoto with OIS. The built-in S Pen adds handwriting and annotation directly on screen. The 5000mAh battery supports 45W wired, 15W wireless, and 4.5W reverse wireless charging. Every purchase includes a one-year warranty and a 30-day returns window.
Features and details
| features | Detail |
|---|---|
| Display | 6.8-inch QHD+ Dynamic AMOLED 2X, 3088×1440, 1–120Hz LTPO |
| Processor | Snapdragon 8 Gen 2 for Galaxy, octa-core, 3.36GHz |
| RAM | 12GB LPDDR5X |
| Storage | 256GB UFS 4.0 |
| Main Camera | 200MP, f/1.7, OIS, PDAF, Laser AF |
| Ultra-wide Camera | 12MP, f/2.2, 120° FOV, dual pixel AF |
| Telephoto 1 | 10MP, f/2.4, 3x optical zoom, OIS |
| Telephoto 2 | 10MP, f/4.9, 10x optical zoom (periscope), OIS |
| Front Camera | 12MP, f/2.2, dual pixel AF |
| Battery | 5000mAh |
| Charging | 45W wired, 15W wireless, 4.5W reverse wireless |
| S Pen | Built-in, 2.8ms latency, Bluetooth LE |
| Operating System | One UI 5.1 (Android 13), upgradeable |
| Water Resistance | IP68 (1.5m for 30 minutes) |
| Network | Fully unlocked – all major UK networks supported |
Compare similar phones
| Feature | S23 Ultra 256GB | iPhone 12 mini 128GB | Galaxy S23+ 256GB |
|---|---|---|---|
| Display | 6.8" QHD+ AMOLED 1-120Hz | 5.4" OLED 60Hz | 6.6" FHD+ AMOLED 1-120Hz |
| Resolution | 3088×1440 (QHD+) | 2340×1080 (FHD+) | 2340×1080 (FHD+) |
| Processor | Snapdragon 8 Gen 2 for Galaxy | Apple A14 Bionic | Snapdragon 8 Gen 2 for Galaxy |
| RAM | 12GB LPDDR5X | 4GB | 8GB LPDDR5 |
| Storage | 256GB UFS 4.0 | 128GB NVMe | 256GB UFS 4.0 |
| Main Camera | 200MP f/1.7 OIS | 12MP f/1.6 OIS | 50MP f/1.8 OIS |
| Telephoto 1 | 10MP 3x optical OIS | None (2x digital) | 10MP 3x optical OIS |
| Telephoto 2 | 10MP 10x periscope OIS | None | None |
| S Pen | Built-in | None | None |
| Battery | 5000mAh | 2227mAh | 4700mAh |
| Wired Charging | 45W | 20W | 45W |
| Wireless Charging | 15W + 4.5W reverse | 15W MagSafe / 7.5W Qi | 15W + 4.5W reverse |
| IP Rating | IP68 | IP68 | IP68 |
| 5G | Yes | Yes | Yes |
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What we love
- ✓ 200MP quad rear camera with 3x and 10x optical zoom covers every shooting distance
- ✓ Built-in S Pen with 2.8ms latency – precise enough for notes, sketches, and annotations
- ✓ 6.8-inch QHD+ 120Hz LTPO AMOLED display is sharp, smooth, and bright outdoors
- ✓ 45W wired and 15W wireless charging with reverse wireless for accessories
- ✓ IP68 rated, fully unlocked for all UK networks, one-year warranty, 30-day returns
Things to note
- — Large and heavy at 228g—not a comfortable one-handed phone for smaller hands
- — 45W charging is slower than some Android competitors at this price
- — 256GB storage is not expandable—no microSD card slot
- — QHD+ display draws more battery than FHD alternatives on prolonged heavy use
- — The premium refurbished price is higher than most other Android options in the used market
More about this phone
A refurbished Galaxy S23 Ultra 256GB brings a capable camera and a built-in S Pen within reach for considerably less than the original asking price. The 200MP main sensor is the headline figure, but what matters day to day is how Samsung processes those shots. Images in good light are detailed and sharp, and the dual telephoto setup—3x and 10x optical—covers far more ground than a single zoom lens. Refurbished Phones UK The S Pen is not an add-on; it slots into the phone body and works for notes, sketches, and screen annotations without needing a separate app or accessory. QHD+ at 120Hz on a 6.8-inch AMOLED panel is one of the better displays available at any refurbished price. The 5000mAh battery with 45W charging handles heavy use reliably. A one-year warranty and 30-day return window come with every purchase. Refurbished Samsung Phones
Is Refurbished AUTO-DRAFT Worth Buying in 2026?
The Galaxy S23 Ultra 256GB is still worth buying refurbished in 2026, and there are a few reasons why it stands out above other options at a similar price. The 200MP main camera is not matched by most competitors in the refurbished market, and the dual telephoto setup—3x and 10x optical zoom—gives you shooting flexibility that most phones at any price do not offer. The S Pen is genuinely useful rather than a novelty: it is precise enough for handwritten notes, sketches, and marking up documents on a screen that is large enough to make all of that practical. The Snapdragon 8 Gen 2 for Galaxy keeps the phone quick and the QHD+ 120Hz display makes everything on screen look sharp. With a one-year warranty and a 30-day returns window, this is a purchase you can make with confidence at the current refurbished asking price.

Refurbished AUTO-DRAFT Camera Performance in Real Life
The Galaxy S23 Ultra camera system is the most technically capable of any Samsung refurbished phone at this price. The 200MP main sensor sounds like a marketing number, but in practice it gives Samsung flexibility to offer high-resolution crops and detailed shots that hold up when printed or displayed largely. In good light the main lens produces sharp, accurate, natural-looking images. Low-light performance is strong for a phone at this price point: the sensor captures enough light to produce usable shots in dim indoor conditions without excessive noise. The 10MP 3x telephoto handles mid-range subjects and portrait distances well. The 10MP 10x periscope telephoto is the standout lens for distant subjects—birds, signage, and stage shots—producing sharp images at a range where other phones would just show digital noise. Video records up to 8K on the main sensor. The 12MP front camera handles selfies and calls without issue.

Refurbished AUTO-DRAFT Battery Health & Backup
The 5000mAh battery in the Galaxy S23 Ultra 256GB is well-matched to the demands of a large, high-resolution display. Most users get comfortably through a full day of heavy use—calls, social media, navigation, and video streaming—without the battery becoming a concern before bedtime. The QHD+ AMOLED does consume more power than an FHD panel, but the Snapdragon 8 Gen 2 for Galaxy is an efficient chip that offsets that draw reasonably well in everyday use. With 45W wired charging, going from a low charge to 50% takes around 30 minutes, and a full charge from flat takes around an hour. The phone also supports 15W wireless charging and 4.5W reverse wireless charging for accessories. Battery health is checked on every refurbished S23 Ultra before dispatch. Where the cell has degraded below an acceptable level, it is replaced, or the condition is clearly disclosed in the listing grade.

Common Issues to Check Before Buying Refurbished AUTO-DRAFT
Before buying a refurbished Galaxy S23 Ultra 256GB, a few checks are worth working through. Start with the condition grade—Grade A units look close to new with minimal marks; lower grades have visible scratches on the body that are described in the listing before purchase. Confirm the handset is unlocked: the Black 256GB model sold here works with all major UK carriers, including EE, Vodafone, O2, and Three with no extra fees. Check the warranty: every unit here carries a one-year warranty covering hardware faults under normal use for twelve months from the purchase date. Review the returns policy—this listing includes a 30-day returns window if the phone is not as described or does not meet your needs. Check whether the S Pen is included in the box, as accessories can vary between refurbished listings. Confirm the phone has been factory reset and software updated before dispatch.










