Galaxy S21 5GWhite • 128 GB • Physical SIM + eSIM

Name: Galaxy S21 5G 128GB - White - Unlocked
Brand: Samsung
Price: 249.00 EUR
Availability: InStock
Rating: 4.3 (19207 reviews)

(19,207 reviews)

€249.00

Save €777.00

Free delivery by 19 - 20 Aug

Express delivery by 18-19 Aug from €5.00

Restored professionally

Based on up to 100 points of inspection

Customer reviews for Galaxy S21 5G

Overall rating

19,207 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
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
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
Almost no signs of wear. The body may have very light micro-scratches. For items with screens, the screen will have no scratches.
Purchased
29/07/2024
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
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
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
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
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
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

Samsung Galaxy SSerie
8 GBMemory (GB)
0.46SAR head
SM-G991BManufacturer Ref
5GNetwork
2021Year of Release
128 GBStorage
12 megapixelsMain camera
6.2Screen size (in)

The Samsung Galaxy S21 5G is a flagship smartphone that combines a sleek design with powerful performance. Released in January 2021, it remains a popular choice for users who want a reliable device with modern features.

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 for fast internet speeds.

Who is this for?

The Galaxy S21 5G is ideal for professionals, students, and anyone who enjoys photography or streaming content on the go. Its compact size and powerful capabilities make it suitable for users who need a dependable smartphone without the need for the latest model.

Pros & Cons:

Pros	Cons
Vibrant display with excellent colour accuracy.	No expandable storage option.
Versatile camera system for various photography styles.	Plastic back may feel less premium than glass alternatives.

Why refurbished?

Opting for a refurbished Samsung Galaxy S21 5G allows you to enjoy a high-performance smartphone while being eco-conscious. Every device from Back Market is rigorously tested to ensure quality and reliability. Scopri di più sui nostri standard di qualità.

Serie: Samsung Galaxy S
Memory (GB): 8 GB
SAR head: 0.46
Manufacturer Ref: SM-G991B
Network: 5G
Year of Release: 2021
Storage: 128 GB
Main camera: 12 megapixels
Screen size (in): 6.2
Foldable: No
Brand: Samsung
Front camera: 10 megapixels
Color (official name): Phantom white
SD Card Slot: No
Compatible with latest Update: Yes
SAR body: 1.51
Carrier compatibility: Unlocked
Model: Galaxy S21 5G
OS: Android
Screen type: Dynamic AMOLED 2X
Colour: White
SIM card: Physical SIM + eSIM
Resolution: 1080 x 2400
Connector: USB-C + Jack 3.5mm
Weight: 169 g

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Galaxy S21 5GWhite • 128 GB • Physical SIM + eSIM

Galaxy S21 5GWhite • 128 GB • Physical SIM + eSIM

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Customer reviews for Galaxy S21 5G

Overall rating

Rating details

Reviews

Reviews

Fiona M.

Liam D.

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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