Greenfox

Samsung Galaxy S23 Ultra

2023Software supported
4.8(28 500)
Samsung Galaxy S23 Ultra
Release year2023
Display6.8 inches
ChipSnapdragon 8
RAM8GB / 12GB LPDDR5X
Active support · ~1y of full support left
Snapdragon 8
2023Today2027
Current version
Android 17
Total support
4 years
Security patches
2028-02
Expert assessment: The S23 series is known for its exceptional energy efficiency, which extends the device's real-world lifespan.

Price from

383 €– 754 € -73%
New costs 1399 €
36 in stock

Color

Storage

Condition

12-month warranty·Free shipping·14-day returns·Verified device

Pros and Cons

Strengths and weaknesses at a glance.

Why choose

  • Exceptional zoom
  • Snapdragon 8 Gen 2
  • Integrated S-Pen
  • Screen quality
  • Battery endurance
  • Long software support

What to consider

  • Large dimensions
  • Slow charging
  • Curved screen
  • No memory card slot
  • Device weight

Detailed Technical Info

Hardware and features in detail.

Screen size
6.8 inches
Resolution
1440 x 3088 pixels
Display type
Dynamic AMOLED 2X
Refresh rate
1-120Hz
Max brightness
1750 nits (peak)
Screen protection
Corning Gorilla Glass Victus 2

Condition Classes

All devices are fully tested and working.

A+

Excellent (A+)

from 528 €

The screen and body are like new. Battery health is at least 90%. All sensors and the S-Pen work flawlessly.

A

Very Good (A)

from 496 €

In very good condition. Minimal signs of use.

B

Good (B)

from 446 €

May have a few micro-scratches on the screen or frame. Battery health 85-90%. Device is fully tested.

C+

Above Average (C+)

from 418 €

Visible signs of use, scratches on the screen or dents on the frame. Battery health at least 80%. No screen burn-in.

C

Acceptable (C)

from 383 €

Clearly visible signs of use. Best price.

Model characteristics

Common issues that may occur with Samsung Galaxy S23 Ultra.

Greenfox check:Tested and clear

Repairs and Parts4/10 iFixit

Battery Replacement

Medium
70–95€Estimated cost

The battery is strongly glued but replaceable with special tools.

Screen Replacement

Hard
240–320€Estimated cost

The curved screen is a single unit with the frame, making replacement costly.

Charging Port Repair

Medium
60–85€Estimated cost

The charging port is on a separate daughterboard, simplifying replacement.

Original spare parts are widely available due to Samsung's self-repair program.

Environmental Impact

Buying a used device saves valuable resources.

CO₂ Saved

62 kg CO2e

Water Saved

14500 liters

E-Waste Avoided

234 grams

Reused

90%

Recycled

10%

Methodology: Fraunhofer Institute / Refurbed.com calculation model (2025)

Who Is This For?

Who Is This For?

This device is especially well-suited for these users.

Mobile Photographer

A user who wants to replace their DSLR camera with a phone for travel.

  • 200MP details
  • 10x optical zoom for distant subjects
  • Expert RAW support

Business Executive and Productivity Fan

A person who works on the go and needs the ability to take notes.

  • S-Pen for notes
  • Large screen for multitasking
  • DeX support for a desktop experience

Tech Enthusiast on a Budget

A user who wants top technology but doesn't want to pay full price for the latest model.

  • Powerful Snapdragon processor
  • Premium materials
  • Affordable price compared to the S26 series

Network Compatibility

Supported frequencies and carriers.

🇪🇪EstoniaYour country

OperaatorStaatus
elisa Full
tele2 Full
telia Full

🇫🇮Finland

OperaatorStaatus
dna Full
elisa Full
telia Full

🇱🇻Latvia

OperaatorStaatus
lmt Full
bite Full
tele2 Full

🇱🇹Lithuania

OperaatorStaatus
bite Full
tele2 Full
telia Full

The device supports all frequency bands in the Baltics and Finland, including n28 and n78 5G bands.

Comparisons With Other Models

How this model differs from the competition.

UpgradevsSamsung Galaxy S24 Ultra

The S24 Ultra offers a flat screen and more AI features, but the S23 Ultra will be significantly cheaper in 2026 and offers 90% of the same experience.

FeatureGalaxy S23 UltraGalaxy S24 Ultra
ScreenCurved edgeCompletely flat
Artificial IntelligenceBasic Galaxy AIFull Galaxy AI support
FrameAluminumTitanium
Cross-shopvsiPhone 14 Pro Max

The S23 Ultra wins in zoom and S-Pen capabilities, while the iPhone 14 Pro Max offers more stable video quality and better resale value.

FeatureGalaxy S23 UltraiPhone 14 Pro Max
Optical zoom10x3x
Screen brightness1750 nits2000 nits
AccessoriesIntegrated S-PenNone
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Frequently Asked Questions

Warranty up to 12 months

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Choose from 36 verified devices. Prices starting from 383 €.

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