Refurbished iPhone 15

Our founder, Steven Athwal, puts it simply: "With us, no matter what device you buy, no matter when you buy it, the quality will always be to the highest standard." That's the difference between buying a refurbished iPhone 15 from us and taking a chance on a marketplace. Get your refurbished iPhone 15 SIM-free with 85%+ battery, warranty, 45-day returns and fast UK delivery today.

At a glance

Refurbished iPhone 15 Summary


The iPhone 15 is a strong choice in 2026 because it gives you the upgrades people notice most: USB-C charging allows you to use the same charger for multiple devices, a brighter display makes it easier to scroll outdoors, and a sharper 48MP main camera takes crisp photos.

It feels much more current than the iPhone 14, but usually costs less than newer models such as the iPhone 16. For many buyers, it offers the right balance of modern features, everyday performance and refurbished value.


If you are comparing iPhone 15 deals, the main difference is testing and aftercare. A professionally refurbished iPhone from The Big Phone Store gives you clear grading, battery checks, warranty cover and support after purchase.

Key Details

  • Best for: Anyone wanting USB-C and a significant camera upgrade from older iPhones

  • Performance: A16 Bionic chip — fast, efficient and well ahead of older models

  • Camera: 48MP main camera with 2x optical zoom and improved Portrait mode

  • Battery: Up to 20 hours of video, reliable all-day use

  • Software: iOS 26 supported, several years of updates still ahead

  • Consider a newer model if: you want Apple Intelligence - you'll need an iPhone 16 or 15 Pro

About The iPhone 15

The iPhone 15 was announced at Apple’s “Wonderlust” event on 12 September 2023, and went on sale ten days later. Apple focused its marketing on the new Dynamic Island, a 48MP main camera, brighter display, USB-C charging and a colour-infused glass back. 

Market data from tech research firm Canalys later ranked the iPhone 15 among the best-selling smartphones globally in 2024. In the refurbished market, it remains popular in 2026 because it brought several Pro-style features to the standard iPhone without the Pro price. 

The biggest talking point was the charging port. After more than a decade of Lightning, the iPhone 15 became the model that finally moved Apple’s main phone range to USB-C. Some saw it as a useful upgrade, whilst others saw it as Apple being forced to change after pressure from EU charging rules.

Despite the drama, the iPhone 15 became one of Apple’s most important recent releases of recent times. It marked the end of the Lightning era, brought Pro-style features to the standard iPhone, and helped make USB-C the new normal for iPhone users.

The iPhone 15 is our #3 best-selling iPhone model out of 37 for the past six months.

How The iPhone 15 Compares

iPhone 15 vs iPhone 14

The iPhone 15 is not a complete redesign of the iPhone 14, but it adds the upgrades most people notice: better photos, easier charging, a smarter screen cutout and a brighter display.

Feature

Technical Upgrade

What You Notice Day to Day

Charging port

Lightning replaced with USB-C

You can use the same cable with many other devices, which is much more convenient. There’s no need to carry a specific charger just for your iPhone.

Dynamic Island

Replaced the old notch with Apple’s interactive Dynamic Island

Calls, music, timers, directions and alerts feel easier to follow without opening apps.

Main camera

48MP main camera, up from 12MP on iPhone 14

You can capture memories in more detail, and you get a useful 2x zoom without needing a Pro model.

Display brightness

Up to 2,000 nits peak outdoor brightness, compared with 1,200 nits on iPhone 14

The screen is much easier to see outside, especially in sunlight. Great for reading on your phone at the beach or on holiday.

Processor

A16 Bionic chip, up from the A15 Bionic in iPhone 14

Apps, games, photo editing and general use feel faster and more future-proof.

Portrait photos

Can capture depth info automatically for people, dogs and cats

You can turn a normal photo into a clean portrait afterwards. This helps when you are taking quick photos of your pets, kids or friends.

Design

Colour-infused glass back with softer contoured edges

It feels smoother in the hand and looks more modern than previous models.

Ultra Wideband

Second-generation Ultra Wideband chip

You can more accurately locate AirTags, devices or friends nearby.

  • Transfer Note: The iPhone 15 changed from Lightning to USB-C, but the standard iPhone 15 still uses USB 2 transfer speeds. Charging is more convenient, but wired data transfer is not faster than the iPhone 14.

  • The Big Phone Store Team Summary: Compared with the iPhone 14, the iPhone 15 gives you a better main camera, Dynamic Island, a brighter screen, USB-C charging and a slightly smoother-feeling design, while keeping the same familiar iPhone size and everyday feel.

Our Expert Opinion

The iPhone 15 does look and feel familiar if you’re already an iPhone user, but after a few days the upgrades really jump out. The switch to USB-C makes charging much less hassle. I used to hate carrying two separate chargers on a family day out, because my iPhone used a different charger to my parents’ devices. Now we can all share the same one!

The iPhone 15 is one of the best refurbished iPhones for people who want a newer Apple experience without going all the way up to Pro money. For me, USB-C is the change you notice first. It makes the phone easier to live with, especially if your family already uses USB-C cables for other devices.


Who Should Buy The iPhone 15?

I’d recommend the refurbished iPhone 15 for anyone upgrading from an iPhone 11, 12 or 13. It feels like a clear jump without needing to pay Pro prices. It also suits people who take lots of photos, travel often, or want a newer iPhone that still feels current in 2026.  

Who Should Avoid The iPhone 15?

If you already have an iPhone 14, the iPhone 15 is better, but it may not feel like a big enough jump unless you really want USB-C, Dynamic Island or the 48MP camera. If you care about heavy gaming, video editing, zoom photography or the smoothest screen, the iPhone 15 Pro is the better choice.

Holly Williams, Marketing Executive at The Big Phone Store — Holly Williams, Marketing Executive at The Big Phone Store

Conditions and Availability

Find a cheap iPhone 15 deal across our grades, colours and storage options.

  • Grades: Like New, Pristine, Very Good, Good

  • Colours: Black, Blue, Green, Yellow, Pink

  • Storage: 128GB, 256GB, 512GB

Every grade (condition) of device we sell at The Big Phone Store is fully working. The grade describes cosmetic condition only, and all devices go through a 90+ point check before dispatch.

  • Like New is the cleanest cosmetic option and includes 100% guaranteed battery health. Choose it if you want the best condition available.

  • Pristine has very light signs of use and suits buyers who want a cleaner-looking phone for less.

  • Very Good may show light marks, but still gives you full iPhone 15 performance.

  • Good shows more visible wear and is best if you want the lowest price on a fully working modern iPhone.

Cosmetic wear on the iPhone 15 usually shows first around the aluminium frame, camera surround and charging port area. Good condition models may show visible marks in those areas, while Pristine models should have only very light signs of use.

Key Specifications

Feature

Technical Details

Why it Matters

Screen

6.1-inch Super Retina XDR OLED display, 2556 × 1179 resolution at 460 ppi

Sharp text, vibrant colours, and deep blacks for streaming, gaming and everyday use.

Camera

Dual rear camera system with 48MP Main camera + 12MP Ultra Wide, plus 12MP TrueDepth front camera with autofocus

Takes high-quality photos and videos, with improved low-light performance and sharper selfies.

Battery Life

Up to 20 hours video playback, minimum 85% battery health on all our devices

Lasts comfortably through a full day of typical use without frequent charging.

iOS

Currently using iOS 26 and compatible with current iOS updates

Gives you access to newer iPhone features, security updates and app compatibility for many years to come.

Dimensions

147.6 mm × 71.6 mm × 7.8 mm, 171 g

Feels slim and easy to hold, with a full-size 6.1-inch screen and a slightly lighter build than the iPhone 14.

Every iPhone 15 from The Big Phone Store comes with at least 85% battery health, well above Apple’s 80% replacement threshold. Like New devices have 100% battery health guaranteed, and you can purchase a brand new battery for any phone at checkout.


Popular Models You May Want to Consider

  • Try the iPhone 15 Plus for a larger screen and longer battery life.

  • Try the iPhone 15 Pro for a more powerful phone with premium features.

  • Try the iPhone 15 Pro Max for a larger, more powerful phone with the longest battery life.

  • If you have a higher budget and would prefer longer support and Apple Intelligence (AI features), consider the iPhone 16.

Model Highlight

Camera

The biggest everyday upgrade with the iPhone 15 is the camera. The jump to 48MP means photos are sharper and more detailed than on any previous standard iPhone, and the 2x optical zoom gives you a useful extra lens without needing a Pro model. The iPhone 15 stands out in our refurbished range because it gives buyers the main upgrades they ask about (USB-C, Dynamic Island and the 48MP camera) without moving into Pro pricing. It’s a great, modern phone with years of iOS updates and support to come.

Trustpilot Reviews

My new phone (iphone 15) is absolutely like brand new, arrived next day, purchasing process simple, lots of choice. Would not hesitate to recommend or use again.

— J Price, Verified Buyer

Bought an iPhone 15 + new battery. Next day delivery with a really well-packaged phone which was exactly as described. Can’t fault The Big Phone Store really - this is our second purchase and they have been excellent. Will definitely shop with the store again!

— domcastle, Verified Buyer

Website ease of use, payment method was quick. Delivery was ontime and the quality of the two iPhone 15 I got was really good. Both batteries were above 85% and there were some minor dents on the sides which doesn’t matter as the phones are in cases so can’t see them. No scratches on the screens either. The conditions of the phones I selected were ‘Good’ and I’m not disappointed.

— Monsieur, Verified Buyer

Ready to Buy?

If you're still undecided, we have dozens of other iPhone models available. See our range or get in contact!

How We Test the iPhone 15

Camera faults are not always obvious from opening the camera app, so we test photo, video, focus, exposure and lens switching before sale. The move to USB-C makes the charging port especially important on the iPhone 15, so we also test charging response, cable fit and connection behaviour.

Our internal refurbishment process for the iPhone 15 includes device checks across 90+ points, including:

Visual and functional tests

  • 85%+ battery health confirmed and USB-C charging tested

  • Display brightness, colour and full-screen touch response

  • Face ID — tested, not assumed

  • Front camera and video

  • Speakers, microphone and haptic feedback

  • Wi-Fi, Bluetooth and mobile signal

  • All buttons, sensors and MagSafe response

Background and history tests

  • IMEI and network history check via CheckMEND

  • Previous owner’s data fully erased

  • iCloud and other account locks removed

  • Lost, stolen and blacklist status checked

Only devices that pass every required check are approved for sale. If a device doesn’t meet our standards, it won’t be sold. Each reconditioned iPhone 15 we sell is tested, cleaned and graded in-house before dispatch. 

Common Risks of Buying a Refurbished iPhone 15

From years of working with used phones, we know that problems often start before the phone reaches you. There is a big difference between a second-hand iPhone 15 and a refurbished one, but in both cases it's important to be careful. The main issues are weak battery health, unclear grading, hidden faults, poor replacement parts, blocked phones and sellers listing stock they do not actually have.

Before you buy a refurbished or used iPhone 15, watch out for these common pitfalls.

Risk to Watch Out For

The Issue

What it Means for You

Non-UK or imported models

Some phones may not be intended for the UK market.

You'll pay marginally less upfront, however the phone may sell for as little as 10-20% of its original value later on. Whilst you'll make a small saving to start with, you'll take a huge hit when it's time to dispose of the device, because imported devices are seen as a risk for buyers.

Phones that are not actually in stock

Some sellers list phones before they physically have them ready to send.

Your phone is your lifeline, and we understand this well. Do you really want to purchase from a company who has a reputation of taking your money and then making you wait for weeks, or in some cases months for your device?

Weak battery health

A phone can look clean but still have a worn battery.

Many of our competitors don't even mention battery life, and the battery you get is left up to chance. Who wants to spend good money on a device that only turns on for a few hours? Our minimum battery health is 85%, and you can upgrade to 100% at checkout for much cheaper than a high-street battery replacement would cost.

Hidden faults

Camera, Face ID, sensors or charging port issues may not show in photos.

Many sellers cut costs by not testing your device properly, or in some cases not at all. We believe that every customer deserves a fully functional device from day one, which is why our return rate is one of the lowest in the industry.

Poor-quality replacement parts

Cheap screens, batteries or camera parts can affect how the phone feels and performs.

Mobile phones are precisely built and sensitive devices. Some sellers use cheap phone parts that are more likely to break or become faulty. We use genuine Apple parts in 95% of the iPhones we repair. On the rare occasion that third-party parts are used, these will be of the highest quality possible, and only for screens and batteries. See our quality charter.

Blocked, locked or finance-flagged phones

Risky sellers may list phones that later turn out to be blocked, iCloud locked, finance-flagged or not fully reset.

What might seem like a good deal initially could cost you further down the line when the phone is blacklisted from use. We check that your phone hasn't been reported stolen, isn't on the police register, doesn't belong to another company, isn't hacked, and doesn't have any viruses.

Weak aftercare

Some sellers offer limited support once the phone has been delivered.

If something goes wrong and you need quick support, you may be stuck talking to an AI chatbot. In some cases, the customer support team may live in a different timezone and can't help you when you need it most. Our award-winning team is here to help you by phone, WhatsApp, email and more.

Why Buy from The Big Phone Store?

The Big Phone Store has been refurbishing phones since 1999, and every device is tested, graded and shipped from our UK operation. The reason customers come back is simple: real stock, clear grading, minimum 85% battery health and UK support from people you can actually speak to. 

If you're looking for an iPhone 15 refurbished in the UK, here’s why you should choose us:

What Matters

How We Help

Why it Matters to You

Experience

Refurbished electronics specialist since 1999

No one has more expertise in this industry than us. We’ve been refurbishing phones since before the iPhone existed.

Trust

A 4.8 Trustpilot rating with over 5000 reviews

We have over 80,000 satisfied customers across all platforms, and you can become one of them.

Security

Devices are data-wiped, network status and device history are checked for blacklisting, theft, loss or outstanding finance

Our checks help protect you from blocked, stolen or finance-flagged phones. Unlike with unverified sellers, there’s no risk of being scammed or ripped off.

Quality

90+ point quality check

We refuse to sell devices that don't work the same as if they were new. Your device is ready to go straight out of the box.

Support

UK-based customer support

Get help from real people who won the Best Customer Service (Consumer) award at the MNA 2026, beating major brands such as EE. We actually answer the phone; no confusion or waiting around.

Stock

Website stock means actual stock

Unlike other sites, all devices on our website are in stock and ready to ship from our warehouse today. No false listings or seller delays.

Device Quality

Every part of the process is done in-house

We have full control over the refurbishment process. Unlike others who outsource their process, we confirm the quality of the devices ourselves, so you get a consistently good experience every time.

Every Apple iPhone 15 refurbished at The Big Phone Store includes a 12-month warranty as standard, which you can upgrade to 2 years, 5 years, or lifetime. You also get free UK delivery for any order over £30 and a 45-day returns process..

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 15 you want, take a look at the reviews our customers have left for us.

5 stars 5/5
Based on 1 customer review
S
Stephanie 4 hours ago
5 stars

I got a mobile that was graded good and it was actually more than very good condition so am very happy with the entire experience thank you

Value for money

5 stars

Overall performance

5 stars

Phone condition

5 stars

Battery

5 stars

Delivery speed

5 stars

Recycled packaging

5 stars

Frequently Asked Questions

Yes. Our refurbished iPhone 15 devices are SIM-free and unlocked for compatible UK networks.

No. A used phone is usually sold as-is by a private seller. A refurbished iPhone 15 is professionally tested, data-wiped, graded and sold with warranty cover.

Yes. It has a 48MP main camera and 12MP ultra-wide camera, making it a strong choice for everyday photos, group shots, landscapes and 4K video.

Yes. The iPhone 15 uses USB-C for charging and wired connection, which is useful if you already use USB-C cables with other devices.

You get at least 85% battery health as standard. Like New phones include 100% guaranteed battery health.

That depends on the grade. Like New and Pristine look cleaner, while Very Good and Good may show more signs of previous use. All grades are fully functional.

Yes. Every refurbished iPhone 15 includes a 12-month warranty as standard, with upgrade options where available.

Buy the refurbished iPhone 15 if you want USB-C, Dynamic Island, a strong camera and a comfortable 6.1-inch size without paying for Plus or Pro features.