Galaxy S21 128GB-White-Unlocked

A++ GRADE GLOBAL MODEL REFURBISHED

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Enjoy flagship Samsung performance at a budget-friendly price with our refurbished Galaxy S21 5G in clean white. Featuring 128GB of storage, a smooth 120Hz Dynamic AMOLED display, a triple-camera system, and the powerful Exynos 2100 chipset, this fully unlocked phone works on any UK network or SIM. Every device is professionally tested and graded for battery health, screen quality, and full functionality, giving you flagship quality backed by our warranty.

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Why choose this Galaxy S21 128GB-White-Unlocked?

Want a Samsung that still feels quick and looks sharp? This refurbished Galaxy S21 128GB in White comes unlocked, so any UK SIM works instantly. Every handset is cleaned, tested, and graded by our technicians before dispatch. The smooth 120 Hz screen, triple camera, and 5G speeds make daily use a real pleasure. You get a 1-year warranty and can return the phone within 30 days if it is not right.

• Bright, smooth 120Hz AMOLED display
• Versatile triple rear camera
• Fully unlocked with 5G support
• Fast 25W wired and wireless charging

Description

Samsung's Galaxy S21 is a pleasure to hold, with a slim frame that slips easily into a pocket and a bright 6.2-inch display that keeps scrolling silky smooth. This White 128GB model has been through a full technical inspection, from touchscreen response and speakers to cameras, buttons, and battery capacity, so nothing is left to chance. Stereo speakers deliver clear, punchy sound. The triple rear camera includes a 64MP telephoto lens that brings distant subjects closer without losing clarity. Because the phone is unlocked, you choose the network and the tariff, and you can change them whenever it suits you. USB-C charging, 5G, and water resistance complete a very well-rounded package. Every order includes a 1-year warranty, plus 30 days to send the phone back if you change your mind.

Features and details

Feature Details
Display 6.2" Dynamic AMOLED 2X
Resolution 2400 x 1080 pixels (FHD+)
Refresh Rate 48–120Hz adaptive
Chipset Exynos 2100
RAM 8GB
Storage 128GB (no microSD slot)
Rear Camera 12MP Wide + 12MP Ultra Wide + 64MP Telephoto
Zoom 3x hybrid optical, up to 30x Space Zoom
Front Camera 10MP
Video Recording 8K at 24fps, 4K at 60fps
Battery 4000mAh
Wired Charging USB-C, 25W fast charging
Wireless Charging 15W Qi, reverse wireless charging
Water Resistance IP68 (1.5 metres, up to 30 minutes)
Network 5G and 4G LTE
SIM Type Nano-SIM + eSIM (Dual SIM)
Colour White
Status Unlocked, refurbished and fully tested

Compare similar phones

Features Galaxy S21 128GB Pixel 8a 128GB iPhone 13 Mini 128GB
Release Year 2021 2024 2021
Display Size 6.2" 6.1" 5.4"
Display Type Dynamic AMOLED 2X OLED Super Retina XDR OLED
Resolution 2400 x 1080 2400 x 1080 2340 x 1080
Refresh Rate 48–120Hz 60–120Hz 60Hz
Processor Exynos 2100 Google Tensor G3 Apple A15 Bionic
RAM 8GB 8GB 4GB
Storage 128GB 128GB 128GB
Rear Camera 12MP + 12MP + 64MP 64MP + 13MP 12MP + 12MP
Front Camera 10MP 13MP 12MP
Battery Capacity 4000mAh 4492mAh Approx. 2438mAh
Wired Charging 25W 18W 20W
Wireless Charging 15W 7.5W 15W MagSafe
Water Resistance IP68 IP67 IP68
5G Support Yes Yes Yes
Operating System Android 11, upgradable Android 14 iOS 15, upgradable
SIM Type Nano-SIM + eSIM Nano-SIM + eSIM Nano-SIM + eSIM
Colour White Blue White

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What we love

  • ✓ Bright, smooth 120Hz AMOLED display
  • ✓ Versatile triple rear camera
  • ✓ Fully unlocked with 5G support
  • ✓ Fast 25W wired and wireless charging
  • ✓ 1-year warranty with 30-day returns

Things to note

  • — No microSD card slot
  • — No charger included in the box
  • — A 4000 mAh battery is fairly modest
  • — Plastic back panel
  • — Main software updates are complete

More about this phone

A refurbished Galaxy S21 is a clever way to enjoy a premium Samsung experience without paying launch-day money. Our engineers check each phone for screen faults, port wear, sound quality, and battery condition, then wipe, clean, and grade it honestly so you know exactly what to expect. This 128GB white version is network unlocked, which means you can pair it with EE, Vodafone, O2, Three, or a budget SIM-only plan. From everyday essentials to feature-packed Galaxy models, our Refurbished Samsung Phones offer options for different budgets. Choosing a pre-owned handset keeps good hardware out of landfills and reduces demand for newly manufactured devices. Shop Refurbished Phones UK for quality smartphones that offer excellent value for money. Backed by a 1-year warranty and a 30-day return period, it is a sensible, low-worry, and budget-friendly way to upgrade, without a single surprise.

Is Refurbished Galaxy S21 Worth Buying in 2026?

The 6.2-inch AMOLED screen is bright, sharp, and fast, which many newer budget phones cannot match, even at higher prices. Calls, messaging, streaming, navigation, and social media all run comfortably, and the 8GB of memory helps apps reopen quickly instead of reloading from scratch every time you switch. Buying a Samsung Galaxy S21 5G at a lower price can be a smart option for shoppers seeking reliable features without paying for a brand-new device. It is fair to be realistic, though. Samsung has already delivered the main software updates promised for this model, so it suits people who want a dependable everyday phone rather than the newest features. If you value a lovely display, a versatile camera, and a compact shape, the Galaxy S21 is still a smart buy. With a 1-year warranty and a 30-day return policy.

Is Refurbished Galaxy S21 Worth Buying in 2026?

Refurbished Galaxy S21 Camera Performance in Real Life

The Galaxy S21 carries three rear cameras, and each has a clear job. The 12MP main lens handles everyday shots, producing lively colors, natural skin tones, and good detail in daylight. The 12MP ultra-wide lens fits in whole buildings, group photos, or big landscapes. The 64MP telephoto lens offers 3x hybrid optical zoom, so you can capture faces across a room or details on a distant sign without the grainy look of digital cropping. Night photos are brighter than you might expect, although fast-moving subjects can blur in very dim light, so steady hands help. Video is a strength, with 4K recording at 60 frames per second and even 8K at 24 frames per second. The 10MP front camera copes well with selfies and video calls. For holidays, birthdays, family events, pets, and social posts, this camera setup remains genuinely useful, flexible, and easy to rely on every day.

Refurbished Galaxy S21 Camera Performance in Real Life

Refurbished Galaxy S21 Battery Health & Backup

The Galaxy S21 has a 4000mAh battery, and we test its condition before every sale so you do not inherit a tired one. With normal use, such as messages, browsing, music, and some photography, most people reach the evening before needing a top-up, which suits a typical working day. Long gaming sessions, hot weather, and constant video streaming will drain it faster, as they would on any phone of this size. Charging is simple and flexible. The USB-C port supports 25W fast charging with a suitable adapter, and the phone also charges wirelessly at up to 15W. Please note that a charger is not usually supplied, so a compatible plug is worth having ready before the phone arrives. If the battery fails to perform within the first year, our 1-year warranty is there to help, so you are never left on your own with a problem.

Refurbished Galaxy S21 Battery Health & Backup

Common Issues to Check Before Buying Refurbished Galaxy S21

Before you buy any refurbished Galaxy S21, a few quick checks can save frustration later. Start with battery health, because capacity naturally falls with age and affects how long the phone lasts each day. Look closely at the whole screen for scratches, marks, dark patches, or areas that react slowly to touch. Test the USB-C port with a cable, and press every button to make sure it responds firmly. Try all three rear cameras, as well as the front one, and listen for clear sound from both speakers and the microphone. Also remember that there is no memory card slot, so choose a storage size you will always be comfortable with for the long term. Every phone we sell is inspected carefully for all of these points and is covered by a 1-year warranty and 30-day returns.

Common Issues to Check Before Buying Refurbished Galaxy S21
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Frequently asked questions

Yes, the Galaxy S21 still handles everyday tasks such as calls, messaging, video streaming, maps, and social media with ease. Its 6.2-inch AMOLED screen runs at up to 120Hz, which feels smoother than many newer budget handsets. Because this refurbished model is tested before sale and backed by a 1-year warranty, it is a sensible choice for anyone who wants a quality Samsung without the original price.
Yes, this Galaxy S21 128GB is fully unlocked, so it is not tied to any network. You can use a SIM from EE, Vodafone, O2, Three, or a smaller provider, and it should work straight away. The phone supports 5G and drops back to 4G automatically when 5G coverage is not available.
Every Galaxy S21 we sell is covered by a 1-year warranty against genuine hardware faults. If a covered problem appears during that year, we will repair or replace the phone at no extra cost to you. The warranty does not cover accidental damage such as drops or liquid damage. You also have 30 days from delivery to return the phone if it is not what you expected, which keeps your purchase low-risk.
The Galaxy S21 has a 4000 mAh battery, which usually lasts a full day of normal use such as messaging, browsing, and music. It charges through USB-C at up to 25W and wirelessly at up to 15W. We check battery health before every phone is listed, but a charger is not normally included, so you will need a compatible plug.
No, the Galaxy S21 does not have a microSD card slot, so the 128GB of built-in storage is all you get. For most people that is plenty for apps, photos, and a good amount of music or downloaded shows. If you record lots of 4K or 8K video, cloud storage such as Google Photos can help free up space.

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