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Samsung Galaxy S21 Ultra 5G BLACK / 256 GB / Excellent
18-month warranty
Samsung

Samsung Galaxy S21 Ultra 5G

100% original parts · nothing replaced

€0.00

Klarna.Or 3 payments of €0.00 with Klarna.

Colour: BLACK
Storage: 256 GB
Condition: Excellent
ExcellentVery light signs of use, like tiny scratches you’ll only spot up close. The screen looks perfect when switched on. Fully tested and unlocked.
Sold out right nowLeave your email and we’ll let you know the moment it’s back in stock.
Free delivery · 1-2 working days
Click & collect · Free from Bray, Ballina, Sligo
  • 18-month warrantyRepairs or replacement, on us
  • UnlockedWorks on every Irish network
  • Free 15-day returnsChange your mind? Send it back
  • Fast deliveryOr collect in store
Highlights

Why you’ll love it.

Display6.8-inch
Rear Camera108 MP
Battery5000 mAh
The Fone4U promise

Bought with confidence.

100%
Original parts

Screen, battery, cameras and every part are the phone’s own. If a part ever needs replacing, we only fit a genuine one, so no “Unknown Part” message.

18months
Warranty on this phone

If anything goes wrong that isn’t accidental damage, we repair or replace it. Bring it to any of our stores.

3Irish stores
Real shops, real people

Bray, Ballina and Sligo. Collect, get help setting up, or bring it in for a repair.

15days
Free returns

Changed your mind? Send it back or drop it into a store within 15 days for a full refund.

About this phone

Samsung Galaxy S21 Ultra 5G

The Galaxy S21 Ultra 5G is available at Fone4U!

The Samsung Galaxy S21 Ultra Grade A phone is in pristine condition and is unlocked, allowing you to use it on any network. It features a 6.8-inch screen with 1440×3200 pixels Dynamic AMOLED, Main Camera: 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS_10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom_10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom_12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video, and Front Camera: 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF, making it perfect for capturing and sharing precious moments. 

 

The phone has a free extended 18-month Fone4u warranty and includes a stylish new box, a new USB cable, and a SIM pin opener. The Samsung Galaxy S21 Ultra runs on Android 11, is upgradable to Android 12, One UI 4.1, and the device will automatically update to the latest version. The phone is equipped with 12 GB of RAM. So order now!

 

Protect Your Samsung Galaxy S21 Ultra with Precision!

Buy the Samsung Custom Cut Hydrogel Screen Protector — tailor-made for your Samsung phone. This ultra-thin, self-healing screen protector offers edge-to-edge protection with touch sensitivity and clarity. Shields against scratches, light drops, and smudges, leaving your screen looking shiny and like new every time. Easy to apply with bubble-free adhesion!

  • Tailor-made for your Samsung Galaxy S21 Ultra model
  • Smooth touch & high transparency
  • Scratch-resistant & self-healing
  • Easy to use—no bubbles

Order now and keep your Samsung screen in like-new condition!

Frequently Asked Questions

The S21 Ultra packs flagship performance—massive battery life, brilliant display quality, professional-grade camera systems, and silky-smooth gaming and picture-taking performance.

With every Samsung Galaxy S21 Ultra that you buy from Fone4U, you get an 18-month warranty, which protects you against any manufacturing defects.

Yes—Fone4U offers a limited special offer on the S21 Ultra. That won't be around forever!

Absolutely! You also have the option of payment by Humm at the time of checkout, where you can pay in installments.

The S21 Ultra has variants of either 128GB, 256GB, or 512GB of storage (sometimes greater, and sometimes it may be below based on availability). Some common colors include Phantom Black and Phantom Silver.

Yes! If your carrier has a 5G network, then the S21 Ultra will enable faster data connectivity on the Irish 5G networks.

Good news: your current nano-SIM/eSIM will work just fine with the new S21 Ultra.

Yes, it’s IP68 rated—which means it’s dust resistant and water-resistant when submerged for 1.5m for 30 minutes.

Your box includes the phone, USB-C cable, SIM ejector tool, and documentation. A charging plug/headphones may not be included—please check the product listing.

YES! Fone4U even gives you trade-in options on your existing device, so you can apply the value toward your new S21 Ultra!

Yes—they are supported by software and security updates by Samsung for the S21 Ultra series, keeping your phone updated and protected.

The S21 Ultra can be ordered either online or at any one of its many Fone4U franchises spread all over the country.
Good to know
Delivery & collectionFree delivery or collect in store
  • Click & collect in store — Ready same day. Free
  • An Post tracked — 1-2 working days. Free
  • DPD next day — Next working day if ordered before 1pm. €12.99
  • Click and collect — free from Bray, Ballina, Sligo.

Prices include VAT (sold under the margin scheme for second-hand goods).

18-month warrantyRepair or replacement, on us

This Samsung Galaxy S21 Ultra 5G comes with a 18-month warranty. If something goes wrong that isn’t accidental damage or liquid, bring it to any of our stores or contact us and we’ll repair or replace it.

15-day returnsFull refund, no hassle

Changed your mind? Return it within 15 days for a full refund. Bring it to any of our stores or send it back to us.

Technical specifications

The details.

Brand
Samsung
Sim
1 Physical Sim 1 eSim
Dimensions
(H) 165.1 x (W) 75.6 x (D) 8.9 mm
Display
6.8-inch
OS
Android 11
Front Camera
40 MP
Rear Camera
108 MP
Battery
5000 mAh
Storage
128 GB, 256GB
RAM
12 GB
Hardware
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
NFC
Yes
Bluetooth
Yes
Video
8K@24fps, 4K@30/60fps, 1080p@30/60/240fps
What's in The Box?
USB Type-C Cable
Warranty
18-Month Warranty
Google reviews4.9★★★★★

568 reviews on Google

Read all reviews
★★★★★
Great service.got me back on track again. Thank you. Highly recommended
Pat Reilly · 28 days ago
★★★★★
Great service. Were happy to diagnose an issue with my brand new S26 with no obligation. Eventually got it fixed, quick and efficient. Would definitely use again
Arran · 1 month ago
★★★★★
Great service Very Pleased with everything Highly Recommended
Kathleen Holmes · 1 month ago
Samsung Galaxy S21 Ultra 5G€0.00

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