Sell Samsung Galaxy S23 Ultra 5G – 256GB in the UK

Get the Best Cash Offer for Samsung’s 2023 Powerhouse

The Samsung Galaxy S23 Ultra 5G – 256GB represents the pinnacle of Android smartphones. With its professional-grade camera system, integrated S Pen, ultra-smooth AMOLED 120Hz display, and cutting-edge Snapdragon 8 Gen 2 performance, this device is designed for power users, creators, and tech enthusiasts.

Now that you’re ready to part ways with it, you deserve a trade-in service that matches its premium status. At Sell.Zextons, we offer industry-leading trade-in value, instant online quotes, free Royal Mail tracked delivery, and same-day UK payments — no waiting, no hassle, no tricks.

Why the Galaxy S23 Ultra 256GB Is Still in High Demand

This 256GB variant is one of the most desirable configurations in the S23 Ultra lineup. It offers the perfect balance of performance and storage for users who want to shoot 4K/8K video, store high-res photos, or multitask with large apps and files — without stepping into the 512GB or 1TB range.

Thanks to its strong resale demand, you’re in an excellent position to sell for top value right now.

Why Sell to Sell.Zextons?

• Top UK trade-in prices for premium Samsung flagships
  
  

• Instant quote tool — no forms, no fuss
  
  

• Free Royal Mail shipping with full tracking & insurance
  
  

• Same-day payment after approval
  
  

• No deductions or handling charges
  
  

• UK-based platform trusted for fast, secure phone selling
  
  

We make the selling process smooth, safe, and rewarding — exactly what you’d expect for a device of this calibre.

What Impacts the Value of Your S23 Ultra 256GB?

To ensure a fair and accurate quote, we evaluate:

• Cosmetic condition – Light scratches or flawless finish
  
  

• Functionality – Must power on, respond, and operate fully
  
  

• Unlock status – Unlocked devices receive higher quotes
  
  

• Storage capacity – 256GB offers premium value at a strong mid-tier level
  
  

• Extras (optional) – Original packaging or charger may slightly increase your offer
  
  

How to Sell Your Galaxy S23 Ultra 256GB – Fast & Hassle-Free

Step 1: Get an Instant Quote

 Use our tool to enter your phone’s condition, storage, and network status. You’ll receive a real-time offer based on UK market value.

Step 2: Send It with Free Shipping

 We’ll email you a prepaid Royal Mail tracked shipping label. Package your device securely and drop it off.

Step 3: Get Paid the Same Day

 After your phone passes inspection, we send your full payment directly to your UK bank account that same working day.

Why Now Is the Best Time to Trade In

The S23 Ultra 256GB is still Samsung’s latest Ultra flagship, but resale prices start to dip quickly once the next generation launches. Selling now means:

• You secure peak trade-in value
  
  

• Your phone doesn’t depreciate further
  
  

• You gain cash immediately for your next upgrade
  
  

• You avoid delays in resale as the market shifts
  
  

Related Trade-In Pages

• Sell Samsung Phones
  
  

• Sell Galaxy S23 Series
  
  

• Sell My Phone UK – iPhones, Pixels, OnePlus, and more
  
  

Frequently Asked Questions

How much is the Samsung Galaxy S23 Ultra 256GB worth?

 Depending on condition and unlock status, offers can reach £430 or more. Get a live quote in seconds using our valuation tool.

Do I need the original box or accessories?

 No, but including them may slightly improve your offer.

Can I sell a phone with cosmetic wear?

 Yes. We accept phones in used condition, as long as they function properly.

Is postage secure?

 Absolutely. We provide fully insured and tracked Royal Mail delivery at no cost.

How long does payment take?

 You’ll receive your payment on the same day your phone is verified.