Galaxy S21 5G

(19,294 reviews)

€181.00

Save €678.00

Free delivery by 16 - 17 Sept

Express delivery by 15-16 Sept from €5.00

Restored professionally

Based on up to 100 points of inspection

Often bought together

Galaxy S21 5G

Grey • 128 GB • Dual Physical SIM + eSIM

Refurbished price:€181.00

Versus €859.00 new

Protective screen Panzerglass Galaxy S21 5G - Transparent

Refurbished price:€16.95

Total price: €197.95

These items might be sold and delivered by different sellers.

Pairs well with

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Protective screen Panzerglass Galaxy S21 - TransparentBrand new
(10)
Refurbished price:€16.95
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(7,903)
Refurbished price:€120.00
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Customer reviews for Galaxy S21 5G

Overall rating

19,294 verified reviews

Rating details

Accessories
4.1/5
Appearance
4.5/5
Battery
4/5
Lens & Camera
4.5/5
Overall performance
4.2/5
Packaging
4.5/5
Shipping
4.6/5

Reviews

Fiona M.
Verified purchase
Reviewed 10/02/2025, Ireland.
I can noy fault my experience with Back Market. I ordered the phone at 8.30 am on thursday and it was delivered to Ireland by 12pm on the Friday, the next day. The phone is perfect. Amazing quality. I will definitely buy more.
Galaxy S21 5G 256GB - Purple - Unlocked
Galaxy S21 5G 256GB - Purple - 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
30/01/2025
Paul S.
Verified purchase
Reviewed 27/08/2026, Ireland.
Very quick shipping, arrived well protected and easily set up
Galaxy S21 5G 128GB - White - Unlocked
Galaxy S21 5G 128GB - White - 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
15/08/2026
John M.
Verified purchase
Reviewed 01/10/2025, Ireland.
Great, it arrived on time and was simple to transfer all the data across ftom my old mobile to my new one.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - 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
10/09/2025
James F.
Verified purchase
Reviewed 15/12/2024, Ireland.
I'm very happy with my purchase it's in mint condition and working perfectly. I would recommend Back Market to anyone
Galaxy S21 5G 128GB - Purple - Unlocked
Galaxy S21 5G 128GB - Purple - Unlocked
See item
Condition
Premium
Close to perfection. The body may have tiny micro-scratches. For items with screens, the screen will be flawless.
Purchased
25/11/2024
Elioth N.
Verified purchase
Reviewed 15/06/2025, Ireland.
Livraison extrêmement rapide (le lendemain de ma commande) et tout à fait satisfaisante. Plusieurs années que je commande sur BackMarket, je n'ai jamais été déçu !
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - 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
02/06/2025
Jethro K.
Verified purchase
Reviewed 17/02/2025, Ireland.
Quick delivery. Item in excellent condition and working perfectly so far. Very satisfied with the item
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - 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
03/02/2025
Ciara C.
Verified purchase
Reviewed 08/09/2025, Ireland.
Paid for a premium refurbished unlocked phone. When the phone came it was locked to another network. I had to return the phone leaving me with no phone for some days. I was not impressed. Will not use this site again.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - 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
27/08/2025

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

Durability
Overall performance
Camera
Screen quality

YesCompatible with latest Update
Phantom grayColor (official name)
SamsungBrand
GreyColour
10 megapixelsFront camera
169 gWeight
USB-CConnector
0,79 cmDepth
6.2Screen size (in)

The Galaxy S21 5G is a powerful smartphone that combines cutting-edge technology with a sleek design. Released in January 2021, this device remains a strong contender in the smartphone market, offering 5G connectivity and impressive camera capabilities.

Key features:

Release Date: January 2021
Display: 6.2-inch Dynamic AMOLED 2X, FHD+ resolution
Processor: Exynos 2100 (International) / Snapdragon 888 (USA)
Camera: Triple-camera system with 12MP ultra-wide, 12MP wide, and 64MP telephoto lenses
Connectivity: 5G compatible for ultra-fast downloads and low-latency performance.

Who is this for?

The Galaxy S21 5G is ideal for users looking for a high-performance smartphone with excellent camera features. It suits students, professionals, and anyone who enjoys capturing high-quality photos and videos while staying connected with the latest technology.

Pros & Cons:

Pros	Cons
Vibrant display with 120Hz refresh rate.	No expandable storage option.
Versatile camera system for various photography styles.	Plastic back may feel less premium than glass alternatives.

Why refurbished?

Choosing a refurbished Galaxy S21 5G allows you to enjoy a top-tier smartphone while being eco-conscious. Each device is thoroughly inspected and tested to meet Back Market’s quality standards, ensuring reliability. Scopri di più sui nostri standard di qualità.

Compatible with latest Update: Yes
Color (official name): Phantom gray
Brand: Samsung
Colour: Grey
Front camera: 10 megapixels
Weight: 169 g
Connector: USB-C
Depth: 0,79 cm
Screen size (in): 6.2
Height: 15,17 cm
Network: 5G
Width: 7,12 cm
Camera Type: Triple (3x)
Foldable: No
SAR head: 0,456
Carrier compatibility: Unlocked
Manufacturer Ref: SM-G991B/DS
Memory (GB): 8 GB
Model: Galaxy S21 5G
Resolution: 1080 x 2400
OS: Android
SIM card: Dual Physical SIM + eSIM
SD Card Slot: No
SAR body: 1,509
Serie: Samsung Galaxy S
Year of Release: 2021
Storage: 128 GB
Main camera: 12 megapixels
Screen type: Dynamic AMOLED 2X

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Galaxy S21 5G

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Customer reviews for Galaxy S21 5G

Overall rating

Rating details

Reviews

Reviews

Fiona M.

Paul S.

John M.

James F.

Elioth N.

Jethro K.

Ciara C.

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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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