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The Samsung Galaxy S23 5G 128GB delivers next-generation performance in a compact and sleek design. As the entry point into Samsung’s 2023 flagship lineup, this model boasts improved battery life, upgraded Snapdragon 8 Gen 2 performance, and advanced imaging features — all wrapped into a device that’s perfect for everyday use. If you’re looking to trade in your S23 128GB model, now is the perfect time. The device is still fresh in the market and holds high resale value, especially if it's in great condition. At Sell.Zextons, we make it easy to convert your phone into fast cash — with instant quotes, free Royal Mail tracked shipping, and same-day UK payment after inspection. We offer a seller-first experience that includes: Best price guarantee for Samsung Galaxy S23 trade-ins Live market-based quote in seconds — no obligation Free tracked shipping anywhere in the UK Same-day bank transfer once your device is verified No deductions or surprise processing fees Simple and secure from start to finish We base your valuation on: Physical condition – Scratches, scuffs, or pristine finish Functionality – Power, touchscreen, ports, buttons, and camera functionality Network status – Unlocked phones typically bring higher returns Storage capacity – This listing applies to the 128GB model, the base storage version Included accessories – Optional, but original charger or box may slightly increase the offer Use our valuation tool to tell us about your phone’s condition, unlock status, and storage. You’ll get a quote instantly. We’ll email you a prepaid Royal Mail tracked label. Package your device securely and drop it off locally. Once your phone passes our inspection, your full payment is issued the same day to your UK bank account. The entire process is online, secure, and completed in as little as 24–48 hours. The S23 series is still relatively new — and that’s exactly why now is the best time to sell. Devices retain their highest resale value within the first 12 months of launch. Delaying the sale could mean missing out on hundreds of pounds in potential value as newer models roll out. By acting now, you benefit from: Strong market demand Minimal depreciation Faster resale time Premium offers for good condition phones Sell Samsung Phones Sell Galaxy S23 Series Sell My Phone UK – iPhones, Pixels, OnePlus, and more Offers vary based on condition and unlock status but can reach up to £330 or more. Use our quote tool to get your current value. No, these are optional. If you do include them, it may slightly increase the offer. Yes. We provide a Royal Mail prepaid label so you don’t pay for postage. You’ll be paid on the same day your phone is received and approved.Sell Samsung Galaxy S23 5G 128GB in the UK – Easy, Transparent & Worth It
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