Fairphone 4Grey • 128 GB • Physical SIM + eSIM

(73 reviews)

£438.00

before trade-in

Save £62.00

Free delivery by 17 - 18 Jun

Express delivery by 15-16 Jun from £5.00

Restored professionally

Based on up to 100-points of inspection

Select the condition

All guaranteed 100% functional

Select the condition

Fair Sold out
Good Sold out
Excellent £438.00
Popular
Premium Sold out

Select storage

Select storage

128 GB £438.00

Select the colour

Grey £438.00

Fairphone 4

Excellent
128 GB
Grey

£438.00

before trade-in

Save £62.00

applies (starting at £0.99)

Proudly refurbished by Ontronics Ltd

Free delivery by 17 - 18 Jun

Express delivery by 15-16 Jun from £5.00

Comes with

Compatible charging cable

Often bought together

Fairphone 4

Grey • 128 GB • Physical SIM + eSIM

Refurbished price:£438.00

Versus £500.00 new

AirPods Pro 2 (2024)

Refurbished price:£137.00

Total price: £575.00

These items might be sold and delivered by different sellers.

Customer reviews for Fairphone 4

Overall rating

73 verified reviews

Rating details

Accessories
4.1/5
Appearance
4.6/5
Battery
4.4/5
Lens & Camera
4.6/5
Overall performance
4.5/5
Packaging
4.7/5
Shipping
4.8/5

Reviews

Liz M.
Verified purchase
Reviewed 31/12/2023, United Kingdom.
Happy to have a Fairphone, and after three days' work my son has got it operating free of Google. It would be good if it could be provided to operate free of this global near monopoly as standard. The first delivery attempt was a day ahead of schedule, when we were not at home, which was a small hitch, but received next day OK.
Fairphone 4 128GB - Grey - Unlocked
Fairphone 4 128GB - Grey - Unlocked
Condition
Good
Light signs of wear. The body may have light micro-scratches. For items with screens, the screen will have no scratches.
Purchased
17/12/2023
Valérie D.
Verified purchase
Reviewed 28/12/2025, Belgium.
Very happy with my fairphone 4. I have installed /e/os, which I had on my old phone, on it, so I have the same experience. The fairphone is a bit bigger and heavier than my S7 but I hope it will be robust and easy to repair to last as long as possible. The only downside to my order was the fact that it was sent by airmail, even though I had chosen a refurbished fairphone because of its durability.
Translated from French
Fairphone 4 128 Go - Gris - Débloqué
Fairphone 4 128 Go - Gris - Débloqué
Condition
Fair
Signs of wear. The body may have a few visible scratches and dents. Items with screens may have light scratches.
Purchased
12/12/2025
Eléonore B.
Verified purchase
Reviewed 10/10/2024, France.
I ordered a Fairphone 4 at the end of September 2024. It arrived very quickly and I started to configure it. After a number of difficulties (in my opinion due to Google explaining the configuration help incorrectly, but just in case, I'll mention it here), I was finally able to import my data from my old phone using my Google account. I then inserted my SIM card, and there was a problem: SMS and mobile data were working (a bit too well even for the latter lol, it's a shame you can't cut off mobile data in the same place as WiFi, light, location... but you have to go into the settings and disable their use) but not calls, whereas on my old phone everything was working normally. So I end up with a phone that can't make calls... I sent the parcel back to the reconditioner Bafodu and a week later I found out that the phone was irreparable and irreplaceable, so I got my money back. I wondered whether it had really been reconditioned the first time, given that the function that was having problems could hardly have been more basic, but then again, maybe it was just human error, as can happen. I went to the Back Market site and saw exactly the same phone for sale, but at €30 more... I would have liked them to replace my previous phone as Back Market could obviously replace the phone I bought from them, but never mind, I recommend the same Fairphone 4. Received today, very fast delivery again, I reconfigured the phone (strange, the guide to configure is different from the first time), everything still works well and insert my SIM card. So far there don't seem to be any problems on this side either, I hope it lasts and that there aren't any other problems that appear elsewhere either.
Translated from French
Fairphone 4 128 Go - Gris - Débloqué
Fairphone 4 128 Go - Gris - Débloqué
Condition
Good
Light signs of wear. The body may have light micro-scratches. For items with screens, the screen will have no scratches.
Purchased
08/10/2024
Gael R.
Verified purchase
Reviewed 15/09/2025, France.
I'd had a first FP4 from my company, so I've got the same functions. I'm fully satisfied with this refurbished phone, everything works perfectly, the battery still works, even though it's second-hand. The phone was sent quickly and arrived intact. A very good experience.
Translated from French
Fairphone 4 128 Go - Gris - Débloqué
Fairphone 4 128 Go - Gris - Débloqué
Condition
Excellent
Almost no signs of wear. The body may have very light micro-scratches. For items with screens, the screen will have no scratches.
Purchased
03/09/2025
Alexandre F.
Verified purchase
Reviewed 04/06/2026, France.
Received in good condition and the transfer from my old phone went very smoothly. We had a small network problem (I couldn't make a call when I put in my wife's SIM card, but it worked) but it seems to be my phone provider's fault.
Translated from French
Fairphone 4 128 Go - Gris - Débloqué
Fairphone 4 128 Go - Gris - Débloqué
Condition
Good
Light signs of wear. The body may have light micro-scratches. For items with screens, the screen will have no scratches.
Purchased
19/05/2026
Marc B.
Verified purchase
Reviewed 15/12/2024, France.
The item is in order. However, I had a problem with the SIM card slot and wasn't sure whether it was my SIM card or the connector. I replaced my SIM with an eSIM and it works just as well.
Translated from French
Fairphone 4 128 Go - Gris - Débloqué
Fairphone 4 128 Go - Gris - Débloqué
Condition
Excellent
Almost no signs of wear. The body may have very light micro-scratches. For items with screens, the screen will have no scratches.
Purchased
29/11/2024
J P.
Verified purchase
Reviewed 08/01/2025, France.
The item corresponds to the advert and to what I am looking for. However, it said that the charger cable was supplied and this was not the case. The supplier said that they would only send a cable if we needed one. I think this is a very good approach and I didn't need it, so no problem, but this information should probably be displayed when ordering on Back Market.
Translated from French
Fairphone 4 128 Go - Gris - Débloqué
Fairphone 4 128 Go - Gris - Débloqué
Condition
Excellent
Almost no signs of wear. The body may have very light micro-scratches. For items with screens, the screen will have no scratches.
Purchased
21/12/2024

Everything you ever wanted to know about the Fairphone 4

Durability
Overall performance
Camera
Screen quality

6,3Screen size (in)
0.49SAR head
Physical SIM + eSIMSIM card
48 megapixelsMain camera
1080 x 2340Resolution
Fairphone 4Model
16,2 cmHeight
UnlockedCarrier compatibility
6 GBMemory (GB)

The Fairphone 4 is a unique smartphone designed with sustainability in mind. Launched in October 2021, this device stands out for its modular design, allowing users to easily repair and upgrade components, making it a great choice for eco-conscious consumers.

Key features:

Display: 6.3-inch FHD+ IPS LCD
Processor: Snapdragon 750G
Camera: Dual 48MP rear cameras with Night mode
Storage: 128GB internal storage with expandable memory via microSD
Operating System: Ships with Android 11, upgradable to later versions

Who is this for?

The Fairphone 4 is ideal for users who prioritise sustainability and ethical sourcing in their technology. It’s perfect for individuals who want a reliable smartphone for everyday use, as well as those interested in DIY repairs and upgrades.

Pros & Cons:

Pros	Cons
Modular design for easy repairs and upgrades.	Performance may lag compared to flagship models.
Ethically sourced materials promote sustainability.	Camera performance may not compete with top-tier smartphones.

Why refurbished?

Choosing a refurbished Fairphone 4 helps reduce electronic waste while providing you with a functional smartphone. Each device is thoroughly inspected to meet quality standards, ensuring reliability. Learn more about our quality standards.

Screen size (in): 6,3
SAR head: 0.49
SIM card: Physical SIM + eSIM
Main camera: 48 megapixels
Resolution: 1080 x 2340
Model: Fairphone 4
Height: 16,2 cm
Carrier compatibility: Unlocked
Memory (GB): 6 GB
Colour: Grey
Brand: Fairphone
OS: Android
Width: 7,5 cm
Year of Release: 2021
Storage: 128 GB
Weight: 225 g
Colour (official name): Gray
Depth: 0,1 cm
Compatible with latest Update: Yes
Front camera: 25 megapixels
SAR body: 0.99
Screen type: IPS LCD
SD Card Slot: microSDXC
Mobile network: 5G
Foldable: No
Connector: USB-C

Welcome to Back Market

The best prices for high-quality renewed goods by sellers we’ve checked and vetted. We don’t mind if you Google us.

Get to know us

1-year minimum warranty
Free delivery on all items
Free 30-day returns
Excellent customer support

Choose location

Suggested searches

Popular searches

Fairphone 4Grey • 128 GB • Physical SIM + eSIM

Fairphone 4Grey • 128 GB • Physical SIM + eSIM

Restored professionally

Comes with

Often bought together

Customer reviews for Fairphone 4

Overall rating

Rating details

Reviews

Reviews

Liz M.

Valérie D.

Eléonore B.

Gael R.

Alexandre F.

Marc B.

J P.

Popular searches

Everything you ever wanted to know about the Fairphone 4

Durability

Overall performance

Camera

Screen quality

Welcome to Back Market