Rated 4.7 out of 5 on Trustpilot 4.7 Excellent · 19,941 reviews 400,000+ customers400k+ customers Direct Source / SupportDirect Source / Support

Galaxy S21 5G

⌛Low StockSave $930
Sale price$319 Regular price$1,249

Earn 638 reward points ⓘ

  • 12-month warranty
  • 80%+ battery
  • 30-day returns

Storage: 128GB
Deal
Deal
Condition: GoodMore info
Deal
Deal
Deal
Deal
Colour: Phantom Grey
Price:
Sale price$319 Regular price$1,249
+$59$99
20% off ⚡ Phone Frenzy +$63.20$79
+$19$35

or 4 × $79.75 with Afterpay or PayPal · or Zip from $10/week

Free delivery Fri 6 to Thu 12 Nov Express Wed 4 to Fri 6 Nov · 4-hour delivery in inner Melbourne
Need help? Live chat 9am to 5pm weekdays (Melbourne time) · Message usChat with our team now · until 5pm (Melbourne time)Live chat 9am to 5pm weekdays (Melbourne time) · Message us
  • Lock
    Detection
  • Component
    Scan
  • Authentic
    Device
  • Battery
    Capacity
  • Cellular
    & SIM
  • Securely
    Wiped
$319 Galaxy S21 5G · 128GB · Good · Phantom Grey

Network            

Technology:  GSM / CDMA / HSPA / EVDO / LTE / 5G

             

Launch Announced: January 14, 2021

Status   Released: January 29, 2021

 

Body    

Dimensions: 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)

Weight: 169 g (Sub6), 171 g (mmWave)

Build: Glass front (Gorilla Glass Victus), plastic back, aluminum frame

SIM: Nano-SIM + eSIM / Dual Nano-SIM + eSIM (max 2 active)

Protection: IP68 dust/water resistant (up to 1.5m for 30 min)

             

Display

Type: Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)

Size: 6.2 inches (~87.2% screen-to-body ratio)

Resolution: 1080 x 2400 pixels, 20:9 ratio (~421 ppi)

Protection: Corning Gorilla Glass Victus

 

Platform            

OS: Android 11, upgradable (up to 4 major updates), One UI 6.1

Chipset: Exynos 2100 (5 nm) – International

International: Octa-core (1x2.9 GHz + 3x2.80 GHz + 4x2.2 GHz)"

CPU: Octa-core (4 performance cores and 4 efficiency cores)

GPU: Mali-G78 MP14 – International

 

Memory            

Card Slot: No

Internal: 128GB 6GB RAM / 128GB 8GB RAM / 256GB 8GB RAM

             

Main Camera   

Triple

12 MP, f/1.8 (wide), dual pixel PDAF, OIS

64 MP, f/2.0 (telephoto), PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom

12 MP, f/2.2 (ultrawide), 120˚, Super Steady video

             

Features: LED flash, auto-HDR, panorama

             

Selfie camera   

Single

10 MP, f/2.2 (wide), dual pixel PDAF

 

Features: HDR

Video: 4K@30/60fps, 1080p@30fps

             

Sound  

Loudspeaker: Stereo

3.5mm jack: No

Audio: 32-bit/384kHz, tuned by AKG

             

Comms

WLAN: Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct

Bluetooth: 5.0, A2DP, LE

Positioning: GPS, GLONASS, BDS, GALILEO

NFC: Yes

Radio: FM radio (Snapdragon model only; market-dependent)

USB: USB Type-C 3.2, OTG

             

Features            

Sensors: Ultrasonic fingerprint (under display), accelerometer,
gyroscope, proximity, compass, barometer

 

Battery

Type: Li-Ion 4000 mAh (non-removable)

             

Misc     

Colors

Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

The Samsung Galaxy S21 5G comes with an enchanting 6.2-inch HDR 10+ 2x Dynamic AMOLED display.

Enjoy a super smooth scrolling experience without sacrificing your battery life with the adaptive display on the Galaxy S21 5G. This remarkable phone's refresh rate tops out at a smooth 120Hz and can go as low as 10Hz when needing to save battery life.

The Samsung Galaxy S21 5G comes with a triple-camera system, including a 12MP wide lens, a 64MP telelphoto lens and a 12MP ultra-wide lens. The device also comes with a 4000mAh battery.

Our refurbsished Samsung Galaxy S21 5G devices have undergone our 80-point Phonecheck test to ensure 100% quality and peace of mind, and they only come with genuine manufacturer parts. As a standard, all of our mobile devices come with a 12-month warranty. 




Network            

Technology:  GSM / CDMA / HSPA / EVDO / LTE / 5G

             

Launch Announced: January 14, 2021

Status   Released: January 29, 2021

 

Body    

Dimensions: 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)

Weight: 169 g (Sub6), 171 g (mmWave)

Build: Glass front (Gorilla Glass Victus), plastic back, aluminum frame

SIM: Nano-SIM + eSIM / Dual Nano-SIM + eSIM (max 2 active)

Protection: IP68 dust/water resistant (up to 1.5m for 30 min)

             

Display

Type: Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)

Size: 6.2 inches (~87.2% screen-to-body ratio)

Resolution: 1080 x 2400 pixels, 20:9 ratio (~421 ppi)

Protection: Corning Gorilla Glass Victus

 

Platform            

OS: Android 11, upgradable (up to 4 major updates), One UI 6.1

Chipset: Exynos 2100 (5 nm) – International

International: Octa-core (1x2.9 GHz + 3x2.80 GHz + 4x2.2 GHz)"

CPU: Octa-core (4 performance cores and 4 efficiency cores)

GPU: Mali-G78 MP14 – International

 

Memory            

Card Slot: No

Internal: 128GB 6GB RAM / 128GB 8GB RAM / 256GB 8GB RAM

             

Main Camera   

Triple

12 MP, f/1.8 (wide), dual pixel PDAF, OIS

64 MP, f/2.0 (telephoto), PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom

12 MP, f/2.2 (ultrawide), 120˚, Super Steady video

             

Features: LED flash, auto-HDR, panorama

             

Selfie camera   

Single

10 MP, f/2.2 (wide), dual pixel PDAF

 

Features: HDR

Video: 4K@30/60fps, 1080p@30fps

             

Sound  

Loudspeaker: Stereo

3.5mm jack: No

Audio: 32-bit/384kHz, tuned by AKG

             

Comms

WLAN: Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct

Bluetooth: 5.0, A2DP, LE

Positioning: GPS, GLONASS, BDS, GALILEO

NFC: Yes

Radio: FM radio (Snapdragon model only; market-dependent)

USB: USB Type-C 3.2, OTG

             

Features            

Sensors: Ultrasonic fingerprint (under display), accelerometer,
gyroscope, proximity, compass, barometer

 

Battery

Type: Li-Ion 4000 mAh (non-removable)

             

Misc     

Colors

Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

The Samsung Galaxy S21 5G comes with an enchanting 6.2-inch HDR 10+ 2x Dynamic AMOLED display.

Enjoy a super smooth scrolling experience without sacrificing your battery life with the adaptive display on the Galaxy S21 5G. This remarkable phone's refresh rate tops out at a smooth 120Hz and can go as low as 10Hz when needing to save battery life.

The Samsung Galaxy S21 5G comes with a triple-camera system, including a 12MP wide lens, a 64MP telelphoto lens and a 12MP ultra-wide lens. The device also comes with a 4000mAh battery.

Our refurbsished Samsung Galaxy S21 5G devices have undergone our 80-point Phonecheck test to ensure 100% quality and peace of mind, and they only come with genuine manufacturer parts. As a standard, all of our mobile devices come with a 12-month warranty. 




  • Your phone
  • Charging cable
  • SIM tool
  • Warranty card
  • Happy Promise

    Not happy with it? Send it back within 30 days. We email you a free return label.

Every phone is 100% functional and fully tested. The grade only describes how it looks.

The five grades

  • New

    Full manufacturer's warranty

    Never used, never activated. Android phones come sealed; some Apple phones are opened for a quality check, and Apple's own warranty check shows they were never activated.

  • Exceptional +3 months cover

    90%+ battery15-month warranty

    As new, very faint to no marks.

  • Ex-Demo

    80%+ battery12-month warranty

    Like new, very faint to no marks. Same look as Exceptional.

  • Excellent

    80%+ battery12-month warranty

    Minor scratches you won't see at arm's length. Light marks on the sides or back are possible, from wearing a case.

  • Good

    80%+ battery12-month warranty

    Visible marks on the back or light scratches on the screen, never deep. With the screen on, or with a screen protector, they're hard to see.

Real Feedback & Videos

Reviewing a refurbished MacBook

A customer on buying a refurbished iPhone

Reviewing refurbished Galaxy S23 Ultra

Unboxing the iPhone 13 Pro in graphite

Reviewing refurbished iPhone 14

Why pay more?

Second-hand phone unboxing

Second-hand iPhone unboxing: honest review

Reviewing refurbished Pixel 8 Pro

Refurbished Galaxy S25 Ultra

What our customers say

Real reviews from people who bought from OzMobiles.

4.7

Excellent on Trustpilot

19,941 reviews

Ordered a refurbished iPad Air (5th gen) 256Gb. Quick delivery, good price and in great condition. Very happy with purchase. Thanks.

MariaVerified buyer · 3 November 2026

Always renew my phones with you had trouble with last purchase but problem was quickly solved will be buying from you when time to update

Cheryl K.Verified buyer · 3 November 2026

Very happy with the prompt delivery - received exactly what I ordered, both phones in "Exceptional" condition, with a great value for the prices!

Allan G.Verified buyer · 2 November 2026

Was very happy with my ordered phone came in a timely manner and is as described and working well

Claudia D.Verified buyer · 2 November 2026

Great quality. Bought a watch for my partner and he’s very happy with it.

Lisiate F.Verified buyer · 1 November 2026

I go to ozmobiles over Optus over Apple over Kogan over JB hi-fi. They have the best deals when it comes to good quality refurbished phones and they have the best ones with the most memory when it comes to Apple five stars as far as I’m concerned.

customerVerified buyer · 1 November 2026

Excellent product Look brand new Fast delivery Excellent customer service

UserVerified buyer · 1 November 2026

Repeat customer of ozmobile phones. Satisfied with product and service.

Nicole H.Verified buyer · 1 November 2026

I’m very happy with my new phone. The whole process was very easy - arrived safely at the post office. I’m not expecting any problems - but it’s good to have the warranty.

ElizabethVerified buyer · 31 October 2026

Bought an Iphone 15 pro as good but it looks excellent. I also choose the 100% battery and it is. Basically perfect, such a bargain.

Daniele F.Verified buyer · 31 October 2026

Website easy to navigate. Purchase was described well and goods delivered within the specified time

Judith S.Verified buyer · 31 October 2026

I’ve purchased several mobile phones over some years through OzMobiles always great products and service, prompt delivery too - thanks team

Diane C.Verified buyer · 30 October 2026
Read all 19,941 reviews on Trustpilot

What our customers say

Real reviews from people who bought from OzMobiles.

4.7

Excellent on Trustpilot

19,941 reviews

Ordered a refurbished iPad Air (5th gen) 256Gb. Quick delivery, good price and in great condition. Very happy with purchase. Thanks.

MariaVerified buyer · 3 November 2026

Always renew my phones with you had trouble with last purchase but problem was quickly solved will be buying from you when time to update

Cheryl K.Verified buyer · 3 November 2026

Very happy with the prompt delivery - received exactly what I ordered, both phones in "Exceptional" condition, with a great value for the prices!

Allan G.Verified buyer · 2 November 2026

Was very happy with my ordered phone came in a timely manner and is as described and working well

Claudia D.Verified buyer · 2 November 2026

Great quality. Bought a watch for my partner and he’s very happy with it.

Lisiate F.Verified buyer · 1 November 2026

I go to ozmobiles over Optus over Apple over Kogan over JB hi-fi. They have the best deals when it comes to good quality refurbished phones and they have the best ones with the most memory when it comes to Apple five stars as far as I’m concerned.

customerVerified buyer · 1 November 2026

Excellent product Look brand new Fast delivery Excellent customer service

UserVerified buyer · 1 November 2026

Repeat customer of ozmobile phones. Satisfied with product and service.

Nicole H.Verified buyer · 1 November 2026

I’m very happy with my new phone. The whole process was very easy - arrived safely at the post office. I’m not expecting any problems - but it’s good to have the warranty.

ElizabethVerified buyer · 31 October 2026

Bought an Iphone 15 pro as good but it looks excellent. I also choose the 100% battery and it is. Basically perfect, such a bargain.

Daniele F.Verified buyer · 31 October 2026

Website easy to navigate. Purchase was described well and goods delivered within the specified time

Judith S.Verified buyer · 31 October 2026

I’ve purchased several mobile phones over some years through OzMobiles always great products and service, prompt delivery too - thanks team

Diane C.Verified buyer · 30 October 2026
Read all 19,941 reviews on Trustpilot

Real Feedback & Videos

Reviewing a refurbished MacBook

A customer on buying a refurbished iPhone

Reviewing refurbished Galaxy S23 Ultra

Unboxing the iPhone 13 Pro in graphite

Reviewing refurbished iPhone 14

Why pay more?

Second-hand phone unboxing

Second-hand iPhone unboxing: honest review

Reviewing refurbished Pixel 8 Pro

Refurbished Galaxy S25 Ultra

Your Recently Viewed Items

Oz Rewards

Join our exclusive loyalty program today and get access to discounts and special offers!

Join Oz Rewards →

80% less CO2 with refurbished

A greener and happier environment. Feel good buying a refurbished Galaxy S21 5G from OzMobiles knowing you're helping to reduce your carbon footprint.

Oz Contribution

Samsung’s Galaxy S21 5G does not come with an SD card slot.

The Samsung Galaxy S21 supports wireless charging up to 15W with a Qi-certified wireless charger.

From OzMobiles, you can buy a refurbished Samsung Galaxy S21 for as little as $579, saving you almost $700.

The Samsung Galaxy S21 supports 5G.

This model supports a single physical sim card as well as eSim