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12-month Warranty.
12-month Warranty.
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Fast delivery
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Satisfied customers
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Easy returns

Samsung Galaxy S21 5G

Price range: 209 € through 339 €
Refurbished Samsung Galaxy S21 5G offers a 6.2-inch Dynamic AMOLED 2X display with a 120 Hz refresh rate and a triple camera with a 64 MP telephoto lens and 8K video recording. The device has been technically inspected and comes with a 12-month warra...
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Color:
White
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Condition of appearance:
Battery condition:
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Estimated delivery: 04.06.2026 - 08.06.2026
12-months warranty: All our devices come with a 12-month warranty for your peace of mind.
14-day return policy: If the product does not match its description, we will gladly accept a return.
This product is sold under the VAT margin scheme (KMS § 41)

Professionally inspected by Technocircle 🇪🇪

Google logo 4.9 stars (33 Reviews)
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Price range: 209 € through 339 €
Description
Specification

Refurbished Samsung Galaxy S21 5G

The Samsung Galaxy S21 5G is a smartphone with a more compact body for users who want a smooth display, a versatile camera system, and 5G connectivity for everyday use. This model is well suited for calls, messages, web browsing, watching media, and using standard apps.

  • Display: 6.2-inch Dynamic AMOLED 2X + 120 Hz
  • Processor: Exynos 2100
  • Camera: triple rear camera + 12 MP main camera and 3x optical zoom
  • Connectivity: 5G, Wi‑Fi 6, NFC
  • Security: under-display fingerprint reader + face recognition

The 6.2-inch flat OLED display with a resolution of 2400 x 1080 pixels delivers a clear picture, and the adaptive refresh rate of up to 120 Hz makes scrolling and navigating menus smooth. HDR10+ support, Always-On Display, stereo speakers, and Dolby Atmos create a pleasant experience when watching video and other media.

The triple camera system includes an ultra-wide, wide, and telephoto camera to cover different shooting situations. Optical image stabilization, Night mode, and up to 8K video recording provide flexibility for both photos and videos, while the 4000 mAh battery supports fast charging, wireless charging, and Wireless Power Share.

Included: Samsung Galaxy S21 5G, USB-C cable, SIM pin

General

Product category Smartphone
Model Samsung Galaxy S21 5G
Product form Bar
Subscription type Without contract
Product color Gray
Color name Phantom Gray
Repairability index 8.2
Housing material Aluminum frame and plastic back
Fingerprint reader location Under the display
Biometric authentication Fingerprint and face recognition

Display

Display diagonal 15,8 cm (6.2")
Display shape Flat
Display technology marketing name Dynamic AMOLED 2X
Panel type OLED display
Display resolution 2400 x 1080 pixels
Aspect ratio 20:9
Number of display colors 16 million colors
Maximum refresh rate 120 Hz
HDR supported Yes
HDR technology HDR10 Plus
Touchscreen type Capacitive
Pixel density 421 ppi
Display protection Corning Gorilla Glass Victus
Rounded display corners Yes
Display features Always-On Display, adaptive refresh rate

Processor

Processor family Samsung Exynos
Processor model 2100
Number of processor cores 8
Maximum processor frequency 2,9 GHz
Processor architecture 64-bit
Manufacturing process 5 nm
Performance cores 1x Cortex-X1 + 3x Cortex-A78
Power-efficient cores 4x Cortex-A55
Graphics processor Mali-G78 MP14
AI accelerator Integrated NPU

Memory

RAM type LPDDR5
Internal storage 128 GB
Internal storage type UFS 3.1
Memory card support No
USB mass storage Yes
Available user memory Depends on software and region

Rear camera

Rear camera type Triple camera
Main camera resolution 12 MP
Main camera aperture f/2,2
Main camera pixel size 1,4 µm
Main camera field of view 120°
Second rear camera resolution 12 MP
Second rear camera aperture f/1,8
Second rear camera pixel size 1,8 µm
Second rear camera field of view 79°
Third rear camera resolution 64 MP
Third rear camera aperture f/2,0
Third rear camera pixel size 0,8 µm
Third rear camera field of view 76°
Optical zoom 3x
Digital zoom 30x
Autofocus Yes
Optical image stabilization Yes
Video stabilizer Yes
Rear camera flash LED flash
Geotagging Yes
Burst mode Yes
Timer Yes
Night mode Yes
Maximum video recording resolution 7680 x 4320 pixels
Resolution and frame rate 1280x720@30fps, 1280x720@960fps, 1920x1080@240fps, 1920x1080@30fps, 1920x1080@60fps, 3840x2160@30fps, 3840x2160@60fps
Video recording modes 720p, 1080p, 2160p, 4320p

Front camera

Front camera resolution 10 MP
Front camera aperture f/2,2
Front camera autofocus Yes
Front camera video recording Up to 3840 x 2160 pixels
Front camera HDR support Yes
Front camera location Centered hole-punch at the top of the display

Battery

Battery capacity 4000 mAh
Removable battery No
Battery type Lithium-ion
Fast charging Yes
Wired charging Up to 25 W
Wireless charging Yes
Wireless charging power Up to 15 W
Wireless Power Share Yes
Reverse charging Yes
Charging connector USB Type-C

Connectivity

Mobile network generation 5G
SIM card capability Dual SIM
SIM card type NanoSIM + eSIM
3G standards HSDPA, HSPA+, HSUPA, UMTS
4G standards LTE
5G support Yes
VoLTE support Yes
WiFi Yes
WiFi standards 802.11a, 802.11b, 802.11g, Wi‑Fi 4 (802.11n), Wi‑Fi 5 (802.11ac), Wi‑Fi 6 (802.11ax)
Bluetooth Yes
Bluetooth version 5.0
NFC Yes
Tethering (modem mode) Yes
WiFi Direct Yes
USB port Yes
USB connector type USB Type-C
USB version 3.2 Gen 1 (3.1 Gen 1)
Headphone connectivity USB Type-C
USB On-The-Go support Yes
GPS Yes
GLONASS Yes
BeiDou Yes
Galileo Yes
WiFi positioning Yes

Audio

Speakers Stereo
Audio system Dolby Atmos
Speakerphone Yes
Number of microphones Multiple integrated microphones
3.5 mm headphone jack No
Supported audio formats 3GA, AAC, AMR, APE, AWB, DFF, DSF, FLAC, IMY, M4A, Mid, MIDI, MP3, MXMF, OGA, OGG, OTA, RTTTL, RTX, WAV, WMA, XMF
Supported video formats 3G2, 3GP, ASF, AVI, FLV, M4V, MKV, MP4, WEBM, WMV
Supported video modes 720p, 1080p, 2160p, 4320p

Sensors

Fingerprint reader Yes
Face recognition Yes
Iris recognition No
Proximity sensor Yes
Accelerometer Yes
Ambient light sensor Yes
Gyroscope Yes
Grip sensor Yes
Barometer Yes
Geomagnetic sensor Yes
Hall sensor Yes

Software

Platform Android
Installed operating system Android 11
User interface Samsung One UI 3.1
Application distribution platform Google Play
Google apps Google Maps, Google Play
Virtual assistant Samsung Bixby
SMS Yes
MMS Yes
E-mail Yes
Video call Yes
Vibration alert Yes

Dimensions and weight

Width 71,2 mm
Height 151,7 mm
Depth 7,9 mm
Weight 171 g
Body thickness 7,9 mm

Durability

Protection features Dust resistant, water resistant
IP code IP68
Water resistance level Up to 1,5 m in fresh water for up to 30 minutes
Screen protection Corning Gorilla Glass Victus
SAR at head (EU) 0,456 W/kg
SAR at body (EU) 1,509 W/kg
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Frequently asked questions

Does each device come with a charger?
Each device comes with a charging cable in the box. Smartphones and tablets also include a SIM-pin.
Battery capacity at least 80% — new battery if needed
All devices we sell have at least 80% battery capacity compared to a new device or battery. If the battery capacity is lower than 80%, we replace it with a new one. Therefore, all our batteries are in excellent condition.
Are all devices tested?

Yes. All our grade A, B and C devices undergo a thorough technical inspection at a certified testing and repair center in Estonia before being offered for sale.

The inspection includes, among other things:

  • Visual inspection of the device (display, casing, buttons, etc.),
  • Testing of key functions (touchscreen, cameras, microphone, speakers, charging, Wi-Fi, Bluetooth, etc.),
  • Checking the battery condition and charging functionality,
  • Updating the software and restoring factory settings where necessary,
  • Secure erasure of the previous user’s data in accordance with licensing and data protection requirements.

The testing and repair center follows international standards:

  • ISO 9001
  • ISO 14001
  • ISO 27001
  • ISO 45001

Only devices that pass all tests and meet our quality and safety requirements are offered for sale. The remaining devices are sent for servicing or removed from the product range.

Is there a warranty for the devices?
Yes, all our devices come with a 12-months warranty, noted in each product's description. If you encounter any issues, you can return the product within the warranty period. For full warranty terms, click here: [ Technocircle OÜ – Warranty Terms]
ESTO Hire Purchase – buy now, pay later!
ESTO Hire Purchase – buy now, pay later!

With ESTO hire purchase, you can pay for your purchase in installments. Simply select “ESTO Hire Purchase” as your payment method and apply quickly and easily during checkout. The decision is made in real time, and the entire process is fully digital.

  • Flexible payment schedule
  • Digital contract and signature
  • Approval in just seconds
Can I try the device in-store before buying?
Currently, we operate only online, so in-store testing isn’t available. However, we are committed to providing quality devices and are happy to offer more information to help you make an informed decision.

Contact us:
Email: [email protected]
Phone: +372 5022230

Contact us
More than 5,000 units in A & B condition available
More than 5,000 units in A & B condition available
A diverse range of products for both private and business customers.
Easy returns.
Easy returns.
Customer service that ensures easy returns.
Satisfied customers.
Satisfied customers.
Our best reward is your satisfaction.