How much is the Galaxy S21 Ultra in the UK now?

Prices vary by model and condition – check our Galaxy S21 Ultra page for today’s best deals.

What sizes does it come in?

Storage options: 128GB, 256GB, 512GB.Screen: 6.8" AMOLED 2X – perfect for immersive viewing.

Where can I buy the S21 Ultra at the best price?

Right here at The Big Phone Store – unbeatable prices and full UK warranty.

What colours are available?

Choose from Phantom Violet, Grey, White, Pink, Black, or Silver – availability may vary.

Why buy from The Big Phone Store?

We prioritise sustainabilityWe offer certified pre-owned optionsEvery phone is tested & fully functionalNo contract, no hassle

Will the price drop further?

Possibly – but our prices are already some of the best in the UK. Keep checking for limited-time offers!

When was the S21 Ultra released?

The Galaxy S21 Ultra launched on 29th January 2021.

Samsung Galaxy S21 Ultra SIM-Free 512GB Phantom Silver

(0 reviews)

£384.99

was £500.00 Save £115.01

This item is out of stock

This Galaxy S21 Ultra 5G comes with 85% minimum battery health

Better than competitors' 80% average

Galaxy S21 Ultra 5G Specifications

Battery

Type

Li-Ion 5000 mAh

Display

Size

6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)

Type

Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)

Resolution

1440 x 3200 pixels, 20:9 ratio (~515 ppi density)

Availability

Release Date

29/01/2021

What's In The Box?

Your Galaxy S21 Ultra 5G
SIM Removal Tool
Charging Cable
100% Sustainable and Recyclable Box
One Month Free Phone Insurance

12 month warranty on your Galaxy S21 Ultra 5G

Dont miss out on upgrading to 24 months warranty

The Galaxy S21 Ultra 5G from The Big Phone Store comes with a Big warranty! The policy covers any internal fault that may arise through normal use during the 12 month warranty period.

Saving the Planet

Buying a refurbished Galaxy S21 Ultra 5G is a smart way to reduce your environmental footprint

With over a billion electronic devices produced each year—many of which eventually end up in landfills—choosing a refurbished Galaxy S21 Ultra 5G helps break the cycle of waste. Every product we restore and resell keeps valuable materials in use longer, reducing harmful electronic waste and supporting a more sustainable future.

This Galaxy S21 Ultra 5G undergoes rigorous testing to guarantee top-tier reliability

Lock Detection Checks for manufacturer, carrier, & software locks.
Diagnostics Automated component functionality scan.
Battery Health Battery capacity check to receive and hold a charge.
Authenticity Replacement part & background check.
Cellular Service Check SIM, place test call & sms message.
Erase & Reset Secure data wipe and reset to factory default.