Galaxy S21+ 5G

(4,325 reviews)

£162.00

before trade-in

Save £897.00

Free delivery by 11 - 12 Jun

Restored professionally

Based on up to 100-points of inspection

Often bought together

Galaxy S21+ 5G

Black • 128 GB • Dual Physical SIM + eSIM

Refurbished price:£162.00

Versus £1,059.00 new

Case Galaxy S21+ 5G and 2 protective screens - Silicone - Navy blue

Refurbished price:£24.99

Total price: £186.99

These items might be sold and delivered by different sellers.

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Customer reviews for Galaxy S21+ 5G

Overall rating

4,325 verified reviews

Rating details

Accessories
4.1/5
Appearance
4.5/5
Battery
4.2/5
Lens & Camera
4.5/5
Overall performance
4.3/5
Packaging
4.5/5
Shipping
4.6/5

Reviews

Pippa T.
Verified purchase
Reviewed 20/10/2024, United Kingdom.
My first time using Back Market so was a bit apprehensive, but I'm super happy with my phone! Phone looks in perfect condition to me. Battery life seems great. Would definitely use again in the future!
Galaxy S21+ 5G 256GB - Pink - Unlocked
Galaxy S21+ 5G 256GB - Pink - Unlocked
See item
Condition
Good
Light signs of wear. The body may have light micro-scratches. For items with screens, the screen will have no scratches.
Purchased
06/10/2024
Darren L.
Verified purchase
Reviewed 06/02/2026, United Kingdom.
phone came one day after I ordered it and it was better than I expected. the phone looked brand new they wasn't a single mark on it and the battery was in excellent condition.. I was over the moon with this phone and this is actual the 4th device I have bought from BackMarket, with all being In great condition. id highly recommend this site over any other refurbished phone sites.
Galaxy S21+ 5G 128GB - Black - Unlocked
Galaxy S21+ 5G 128GB - Black - Unlocked
See item
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
19/01/2026
David M.
Verified purchase
Reviewed 12/03/2025, United Kingdom.
After buying a phone for a family member through Back Market and seeing the quality and service I bought one for myself. The phone arrived on time and well packaged. The device was exactly as described. This is my first refurbished phone...so far so good.👍
Galaxy S21+ 5G 128GB - Black - Unlocked
Galaxy S21+ 5G 128GB - Black - Unlocked
See item
Condition
Good
Light signs of wear. The body may have light micro-scratches. For items with screens, the screen will have no scratches.
Purchased
20/02/2025
Stuart U.
Verified purchase
Reviewed 27/01/2026, United Kingdom.
Transaction went smoothly, quick delivery,phone in good condition ,only downside for me is that the phone is a US version ,samsung pay etc is all US version ,I do wish the refurbishment companies would put this in the description ,probably wouldn't have purchased had i known
Galaxy S21+ 5G 128GB - Black - Unlocked
Galaxy S21+ 5G 128GB - Black - Unlocked
See item
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
18/01/2026
Martyn P.
Verified purchase
Reviewed 19/09/2025, United Kingdom.
I am surprised and very pleased with the phone that I got from you. You described it as fair condition but in fact its more like very good condition thanks will be getting my next phone from you again
Galaxy S21+ 5G 128GB - Purple - Unlocked
Galaxy S21+ 5G 128GB - Purple - Unlocked
See item
Condition
Fair
Signs of wear. The body may have a few visible scratches and dents. Items with screens may have light scratches.
Purchased
01/09/2025
Peter S.
Verified purchase
Reviewed 11/12/2023, United Kingdom.
I was looking for a replacement of my old samsung s6, I had seen back market advertised & as I didn't want to splash out for a brand new phone I gave them a try.I was a bit apprehensive about buying a refurbished phone but I needn't have worried.Phone I ordered was samsung s21+ in excellent condition & that's exactly what it came in,not a mark on it & even has original protective film on front & back,battery was at 78% but soon charged up to 100%, very well packaged & excellent delivery.Thanks back market one very happy customer 👍 10/1
Galaxy S21+ 5G 128GB - Silver - Unlocked
Galaxy S21+ 5G 128GB - Silver - Unlocked
See item
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
27/11/2023
Vic P.
Verified purchase
Reviewed 06/11/2023, United Kingdom.
The Samsung Galaxy s21plus I purchased was as described "Excellent". As good as new as far as I can tell. Delivery was on time and the product was well packaged. Very happy with my dealings with Back Market. First time I have had a refurbished phone and I would certainly purchase my next one from Back Market.
Galaxy S21+ 5G 256GB - Black - Unlocked
Galaxy S21+ 5G 256GB - Black - Unlocked
See item
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
26/10/2023

Everything you ever wanted to know about the Galaxy S21+ 5G

Durability
Overall performance
Camera
Screen quality

BlackColour
SamsungBrand
Samsung Galaxy SSerie
NoSD Card Slot
10 megapixelsFront camera
SM-G996B/DSManufacturer Ref
12 megapixelsMain camera
UnlockedCarrier compatibility
Dynamic AMOLED 2XScreen type

The Galaxy S21+ 5G is a powerful smartphone that combines a sleek design with advanced features, making it a strong contender in the competitive smartphone market. Released in January 2021, this model remains relevant with its robust performance and impressive camera capabilities.

Key features:

Release Date: January 2021
Display: 6.7-inch Dynamic AMOLED 2X, FHD+ resolution
Processor: Exynos 2100 (or Snapdragon 888, depending on the region)
Camera: Triple rear cameras with 64MP telephoto, 12MP wide, and 12MP ultra-wide
Connectivity: 5G compatible for ultra-fast downloads and low-latency performance

Who is this for?

The Galaxy S21+ 5G is ideal for users who seek a high-performing smartphone with a large, vibrant display. It's perfect for professionals, content creators, and anyone who enjoys streaming media or gaming on the go.

Pros & Cons:

Pros	Cons
Stunning display with 120Hz refresh rate for smooth scrolling.	Bulky design may not suit users looking for a compact phone.
Versatile camera system for various photography needs.	No expandable storage option limits storage flexibility.

Why refurbished?

Choosing a refurbished Galaxy S21+ 5G allows you to enjoy a premium smartphone experience while making an eco-conscious choice. Back Market ensures that all refurbished devices are rigorously tested for quality and performance. Learn more about our quality standards.

Colour: Black
Brand: Samsung
Serie: Samsung Galaxy S
SD Card Slot: No
Front camera: 10 megapixels
Manufacturer Ref: SM-G996B/DS
Main camera: 12 megapixels
Carrier compatibility: Unlocked
Screen type: Dynamic AMOLED 2X
Width: 7,56 cm
SAR head: 0,541
SAR body part: 2,23
Colour (official name): Phantom black
Compatible with latest Update: Yes
Camera Type: Triple (3x)
Weight: 200 g
Model: Galaxy S21+ 5G
Foldable: No
SAR body: 1,335
Screen size (in): 6.7
Memory (GB): 8 GB
OS: Android
Height: 16,15 cm
Storage: 128 GB
SIM card: Dual Physical SIM + eSIM
Connector: USB-C
Depth: 0,78 cm
Mobile network: 5G
Resolution: 1080 x 2400
Year of Release: 2021

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Galaxy S21+ 5G

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Customer reviews for Galaxy S21+ 5G

Overall rating

Rating details

Reviews

Reviews

Pippa T.

Darren L.

David M.

Stuart U.

Martyn P.

Peter S.

Vic P.

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Everything you ever wanted to know about the Galaxy S21+ 5G

Durability

Overall performance

Camera

Screen quality

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