Galaxy S21 5GGrey • 256 GB • Physical SIM + eSIM

Name: Galaxy S21 5G 256GB - Grey - Unlocked
Brand: Samsung
Price: 286.00 EUR
Availability: InStock
Rating: 4.3 (19357 reviews)

(19,357 reviews)

€286.00

Save €808.00

Galaxy S21 5GGrey • 256 GB • Physical SIM + eSIM

(19,357 reviews)

€286.00

Save €808.00

Free delivery by 21 - 22 Oct

Restored professionally

Based on up to 100 points of inspection

Customer reviews for Galaxy S21 5G

Overall rating

19,357 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
Condition
Excellent
Purchased
30/01/2025
Dolores M.
Verified purchase
Reviewed 02/11/2024, Ireland.
Excellent quality and delighted I had the choice of a new battery which is not on offer in other refurb websites I visited. Very happy with my purchase and will be back.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
17/10/2024
Liam D.
Verified purchase
Reviewed 12/08/2024, Ireland.
Excellent all around. Site was easy to use and kept me informed of postal delivery etc. I got two o hones and they are both excellent. The description was right on the mark and I will be definitely using thus site again.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
29/07/2024
Tracey K.
Verified purchase
Reviewed 22/09/2026, Ireland.
Excellent, very good condition easy to upload my info', and transfer my contacts etc.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Good
Purchased
13/09/2026
Craig W.
Verified purchase
Reviewed 26/05/2025, Ireland.
Arrived fast, exactly as it was described.
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
10/05/2025
Zinta N.
Verified purchase
Reviewed 13/01/2025, Ireland.
Phone is nice , issue is no all languages looks like Chinese stile but for what need I can use it
Galaxy S21 5G 128GB - Grey - Unlocked
Galaxy S21 5G 128GB - Grey - Unlocked
Condition
Excellent
Purchased
04/01/2025
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
Condition
Excellent
Purchased
27/08/2025

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

Durability
Overall performance
Camera
Screen quality

SamsungBrand
2021Year of Release
8 GBMemory (GB)
Physical SIM + eSIMSIM card
10 megapixelsFront camera
NoFoldable
12 megapixelsMain camera
Galaxy S21 5GModel
Phantom GrayColor (official name)

The Samsung Galaxy S21 5G is a flagship smartphone that combines cutting-edge technology with a sleek design. Launched in January 2021, this model remains a strong contender in the market, offering a powerful performance 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 rear cameras with 12MP ultra-wide, 12MP wide, and 64MP telephoto lenses
Connectivity: 5G compatible ensuring ultra-fast downloads and low-latency performance.

Who is this for?

The Samsung Galaxy S21 5G is ideal for users who want a high-performing smartphone with excellent photography capabilities. It's well-suited for professionals, content creators, and anyone who enjoys streaming media on a vibrant display.

Pros & Cons: Pros Cons Stunning display with vibrant colours and high refresh rate. No expandable storage option available. Versatile camera system for various photography styles. Plastic back may not appeal to all users.
Why refurbished?

Choosing a refurbished Samsung Galaxy S21 5G allows you to enjoy premium features while being eco-conscious. Back Market ensures each device undergoes thorough testing and meets high-quality standards. Learn more about our quality standards.

Brand: Samsung
Year of Release: 2021
Memory (GB): 8 GB
SIM card: Physical SIM + eSIM
Front camera: 10 megapixels
Foldable: No
Main camera: 12 megapixels
Model: Galaxy S21 5G
Color (official name): Phantom Gray
OS: Android
Carrier compatibility: Unlocked
Manufacturer Ref: SM-G991B
Colour: Grey
SD Card Slot: No
Serie: Samsung Galaxy S
SAR head: 0.46
Screen size (in): 6.2
SAR body part: 1.51
Compatible with latest Update: Yes
Storage: 256 GB
Screen type: Dynamic AMOLED 2X
Weight: 169 g
Network: 5G
Resolution: 1080 x 2400

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Galaxy S21 5GGrey • 256 GB • Physical SIM + eSIM

Galaxy S21 5GGrey • 256 GB • Physical SIM + eSIM

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