Samsung Galaxy S21 128GB Phantom Gray 5G
On eligible orders over £50. Orders placed before 4 PM Monday–Friday are normally dispatched the same working day.
🔒 Secure checkout
Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. Subject to status. Ts&Cs and late fees apply.
GIGGOTECH Tested
Used and refurbished devices are inspected and tested where applicable before dispatch.
Testing varies by product type. Specific diagnostic checks may differ depending on the device and its features.
What’s Included
Please check the product description for the exact accessories supplied with this product.
About This Product
The Samsung Galaxy S21 128GB Unlocked Smartphone is a powerful and stylish device that continues to stand out as a favourite for users seeking premium performance, cutting-edge features, and excellent value — whether new or refurbished. Built for fast performance and high-quality entertainment, this Galaxy S21 is designed to keep up with your daily demands, from gaming and streaming to productivity and photography.
Featuring a vibrant 6.2-inch Dynamic AMOLED 2X display with Full HD+ resolution and a silky smooth 120 Hz refresh rate, the Galaxy S21 brings visuals to life with vivid colours and crystal clarity — perfect for watching videos, browsing, or gaming. Powerful hardware under the hood, including 8 GB RAM and an advanced Exynos 2100 chipset in the UK version, delivers responsive performance for everyday tasks and multitasking.
Photography is a highlight with a triple-camera setup — combining wide, telephoto, and ultra-wide lenses — giving you flexibility for detailed shots, portraits, and landscapes. Plus, the 10 MP front camera ensures sharp selfies and clear video calls. You’ll also enjoy 5G connectivity for fast downloads and streaming on compatible UK networks.
Unlocked and compatible with all major UK carriers like EE, Vodafone, O2, and Three, the Galaxy S21 offers freedom and convenience with dual SIM support. Whether you choose a brand new unit, like new, or other used/refurbished conditions, there’s a great option to match your budget. Refurbished devices are professionally tested and often include a warranty and free delivery.
Key Features
- 128GB Internal Storage – Plenty of room for apps, photos & videos
- 6.2-inch Dynamic AMOLED 2X Display – Bright, vivid visuals with 120 Hz refresh rate
- Triple Rear Camera System – Versatile photography with wide, telephoto & ultra-wide lenses
- 10 MP Front Camera – Sharp selfies & video calls
- 5G Connectivity – Faster browsing & streaming on UK networks
- Exynos 2100 Processor + 8 GB RAM – Smooth performance & multitasking
- Unlocked for UK Networks – Works with EE, Vodafone, O2, Three
- Dual SIM + eSIM Support – Flexible connectivity options
With its stylish design, premium display, and excellent camera capabilities, the Samsung Galaxy S21 128GB remains a compelling choice for users seeking a high-end Android smartphone at competitive UK prices.
Technical Specifications
Condition Guide
Brand new, sealed and unused.
Excellent condition with minimal signs of previous use.
Light cosmetic signs of use. Fully functional.
Visible cosmetic wear or scratches. Fully functional.
Noticeable cosmetic wear while remaining fully functional unless otherwise stated.
Delivery
Same-day dispatch: Orders placed Monday–Friday before 4 PM are normally dispatched the same working day.
Free UK delivery: Free Next Day Delivery is available on eligible UK orders over £50.
Orders placed after the dispatch cut-off, at weekends or on UK public holidays are processed on the next working day.
Delivery times are estimates and may occasionally be affected by courier delays or circumstances outside our control.
Warranty & Returns
Eligible products include a 12-month GIGGOTECH or manufacturer warranty unless otherwise stated.
Warranty claims may require inspection and testing before a repair, replacement or refund is approved.
Accidental damage, misuse, liquid damage, physical damage and normal wear and tear are not covered by our commercial warranty.
Eligible returns may be requested within 30 days in accordance with our returns policy.
Nothing in our commercial warranty limits your statutory consumer rights.
Why shop with GIGGOTECH?
Warranty Protection
Eligible products are backed by a 12-month warranty.
Tested Before Dispatch
Used and refurbished devices are checked where applicable before leaving us.
Fast UK Delivery
Free next-day delivery on eligible UK orders over £50.
30-Day Returns
Straightforward returns in accordance with our returns policy.
Recommended For You
Customers also viewed these popular tech products.