1. 256GB - Space Gray - Good Condition
Apple iPhone X

iPhone X SIM-Free 256GB Space Gray

5 stars

(37 reviews)

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£104.99

was £157.00 Save £52.01
colour space gray
storage 256GB
condition Refurbished good
Upgrades
Includes One Month of Free Insurance
Phones get lost, broken, or stolen more often than you'd think:
  • A phone is stolen every 2 minutes in the UK
  • 1 in 4 people crack their screen
  • Most avoid repairs due to the high cost

That's why this purchase includes one month of Pier Protect mobile phone insurance - for free. Cover includes accidental damage, liquid damage, loss, and theft. Just activate it after checkout to get protected.

View Terms and Insurance Product Information Document (IPID)
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Product Information
What's Included
Condition Information
Delivery
Warranty
Returns
Overview

Buy Apple iPhone X for Sale – Get the Best Price (UK)

Certified Refurbished iPhone X (UK) with 85%+ battery health. Best online prices - limited-time deals. ✅ Unlocked & SIM-free (any UK network) ✅ PhoneCheck tested for peace of mind ✅ 12-month warranty & UK support ✅ Fast, free delivery.

Why choose the iPhone X?

The Apple iPhone X redefined the iPhone with an edge-to-edge 5.8″ Super Retina OLED display, Face ID, and the powerful A11 Bionic chip. It’s still a brilliant daily driver for streaming, social, photography and secure payments.

Highlights

  • Super Retina OLED (5.8″) – rich contrast and colour

  • Dual 12MP cameras (Wide + Telephoto) with Portrait & Smart HDR-style processing

  • 7MP TrueDepth front camera with Portrait selfies & Animoji

  • A11 Bionic – smooth everyday performance

  • Face ID – secure unlock and Apple Pay

  • Wireless & fast charging compatible

iPhone X deals & pricing

We update prices daily to keep our iPhone X deals competitive. Choose the cosmetic grade that suits your budget — all devices are fully functional.

  • Like New / Pristine – minimal to no marks

  • Very Good – light signs of use

  • Good – more visible wear, best price

Quality & testing you can trust

Every refurbished iPhone X from us is rigorously checked with PhoneCheck:

  • Battery health 85%+ guaranteed

  • Screen, buttons, speakers & mics verified

  • Rear & front cameras tested

  • Wi-Fi, Bluetooth & sensors checked

  • Full data wipe & factory reset

  • Accurate cosmetic grading

  • Packed in eco-friendly packaging

Why buy iPhone X from The Big Phone Store for best deals?

  • Trusted UK retailer since 1999

  • Thousands of positive reviews (4.7★ Trustpilot)

  • UK-based customer support

  • Trade-in options to save more & recycle responsibly

  • Free, fast delivery with clear cut-off times

iPhone X specifications (quick view)

  • Display: 5.8″ Super Retina OLED (HDR)

  • Chip: Apple A11 Bionic

  • Storage: 64GB / 256GB

  • Rear cameras: Dual 12MP Wide + Telephoto (Portrait, OIS, 4K video)

  • Front camera: 7MP TrueDepth (Face ID, Portrait selfies, Animoji)

  • Charging: Wireless charging & fast charge capable

  • SIM: nano-SIM only (no eSIM/Dual SIM)

  • Network: 2G / 3G / 4G LTE (no 5G)

  • Colours: Space Grey, Silver

What Other iPhone X Models Can You Find at The Big Phone Store?

At The Big Phone Store, you can find amazing prices!

Other iPhone Models

Explore More Unlocked & SIM-Free Apple Devices at Unbeatable Prices – Only at our Apple iPhone Collections.

Explore Apple iPhone X Available Options

For more iPhone X options, explore the wide range of colours and storage options, giving you the flexibility to choose the perfect model for your needs.

Available iPhone X Options

Colours

Storage Capacities

iPhone X Silver

iPhone X 64gb

iPhone X Gray

iPhone X 256gb

For Other Models

Looking for more unbeatable refurbished mobile deals? Explore our full range of Apple Refurbished devices, including the latest Refurbished iPhones, as well as top picks from Samsung Refurbished and Google Refurbished. Whether you're after performance, value, or sustainability, our collection of refurbished phones offers the best in quality and price.

Turn Old Tech into Cash Trade-In Deals

Want to upgrade while saving more? With Apple Trade-In at The Big Phone Store, you can trade in your old iPhone, Apple Watch, or other Apple devices and get instant value toward your next purchase. 

Looking to sell iPhone or sell Apple Watch? We offer fast payments, free shipping, and top market prices, making it easier than ever to switch, save, and stay sustainable.


Trade in Other Mobile Phones & Devices:

Ready to clear out your old devices? At The Big Phone Store, you can sell phone in just a few clicks and get paid fast. 
Whether you're upgrading or simply decluttering, we offer a hassle-freephone trade-in process with competitive prices and free shipping.

Reliable Power

This iPhone X comes with 85% minimum battery health

Better than competitors' 80% average

Charging Battery Icon

iPhone X Specifications

Battery

Type

Li-Ion 2716 mAh, non-removable (10.35 Wh)

Display

Size

5.8 inches, 84.4 cm2 (~82.9% screen-to-body ratio)

Type

Super Retina OLED, HDR10, Dolby Vision, 625 nits (HBM)

Resolution

1125 x 2436 pixels, 19.5:9 ratio (~458 ppi density)

Availability

Release Date

03/11/2017
What's in the Box

What's In The Box?

  • Your iPhone X
  • SIM Removal Tool
  • Charging Cable
  • 100% Sustainable and Recyclable Box
  • One Month Free Phone Insurance

12 month warranty on your iPhone X

Dont miss out on upgrading to 24 months warranty

The iPhone X 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 iPhone X 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 iPhone X 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 iPhone X undergoes rigorous testing to guarantee top-tier reliability

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

iPhone X Customer Reviews

We value the opinions of all of our customers, and we're sure that you do too! If you're still unsure about buying the iPhone X you want, take a look at the reviews our customers have left for us.

4.8 stars 4.8/5
Based on 37 customer reviews
M
Megan 1 year ago
5 stars

I bought three iPhones from The Big Phone Store—two iPhones 11 in purple and black, and an iPhone X in space gray. They all arrived in fantastic condition, just as described! My kids couldn’t be happier. The buying process was smooth, and they shipped the phones really fast. Great service!

Value for money

5 stars

Overall performance

5 stars

Phone condition

4 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
P
Peter 1 year ago
5 stars

Excellent

Value for money

5 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
M
Mandie 2 years ago
5 stars

Great

Value for money

5 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars
J
Josh 2 years ago
5 stars

Excellent

Value for money

4 stars

Overall performance

4 stars

Phone condition

4 stars

Battery

4 stars

Delivery speed

5 stars

Recycled packaging

5 stars

Frequently Asked Questions

The price of an iPhone X in the UK varies based on the model and memory. At The Big Phone Store, we offer competitive prices on all devices, ensuring you get the best value for your money. Visit our website to check our iPhone X page for the latest pricing and deals. 
The iPhone X comes in two storage options: 64GB and 256 GB. The size of the iPhone X features a 5.8-inch Super Retina HD display, offering a captivating and top-tier viewing experience. 
The Big Phone Store offers some of the best prices for the iPhone X in the UK. Visit our website to explore our range of iPhone X models and find the best price available. 
At The Big Phone Store, we pride ourselves on offering the cheapest deals on the iPhone X. We regularly compare all our products and prices with competitors to ensure we provide the most competitive rates. Check our iPhone X deals page for the latest offers. 
The Apple iPhone X is available in a variety of colour options, including Space Gray and Silver. Visit our website to see the latest model and the current availability of each colour option. 
The Big Phone Store provides unbeatable deals on the iPhone X thanks to our dedication to sustainability and competitive pricing. Our models are backed by our price comparison tool to ensure you get the best value. 
The Big Phone Store is the best site to buy an unlocked iPhone X and various contract-free mobiles. We offer a wide selection of devices at competitive prices, all of which are thoroughly tested and certified for quality. With our unlocked iPhones, you can also enjoy the freedom of choosing your own cellular network. 
While prices for technology typically drop over time, The Big Phone Store constantly monitors market trends to offer the best prices on the iPhone X. Keep an eye on our iPhone X page for potential price reductions and special promotions. 
The iPhone X was officially released and went on sale on November 3, 2017. For current availability and pricing, visit our iPhone X page.