Please allow ~4-6 weeks to dispatch from Australia for quality control. Only 4 devices per customer may be shipped each day, so orders placed for more than 4 devices will be shipped over multiple days.
Products containing Lithium-Ion batteries (laptops and smartphones) are subject to extra safety requirements and are experiencing further delays.
If you are ordering a device that does not include a Windows 11 licence as standard, please check Microsoft's minimum system requirements to confirm if it can be upgraded later should you wish to do so.
Product images are for illustrative purposes only and may contain AI-generated content. They do not represent the exact product that is subject to the cosmetic grading policy detailed here.




The Samsung Galaxy A21s SM-A217F features a Samsung Exynos 850 octa-core processor, 6GB RAM, 128GB storage, and a spacious 6.5-inch HD+ display, delivering reliable performance for everyday communication, entertainment, and productivity at an exceptional value. This certified refurbished unlocked smartphone combines Samsung's trusted engineering with versatile quad-camera technology and all-day power, making it an ideal choice for students, professionals, and families seeking quality without premium pricing.
Versatile Performance for Daily Tasks
Navigate apps, stream content, and multitask seamlessly with the Exynos 850 chipset paired with 6GB of RAM. The generous 128GB internal storage provides ample space for photos, videos, apps, and documents, with microSD expansion available up to 512GB for growing digital libraries. Whether video calling family, managing work emails, browsing social media, or streaming favourite shows, this refurbished Galaxy A21s delivers consistent performance for modern mobile needs.
Immersive Visual Experience
The 6.5-inch PLS TFT display with Infinity-O design offers an expansive viewing canvas for content consumption and web browsing. With HD+ resolution and a 20:9 aspect ratio, the screen maximises real estate for comfortable reading, gaming, and video playback whilst maintaining portability in a sleek form factor.
Quad-Camera Versatility
Capture life's moments with the 48MP main camera that excels in various lighting conditions. The 8MP ultra-wide lens with 123-degree field of view frames group shots and landscapes effortlessly, whilst the dedicated 2MP macro camera reveals intricate close-up details. A 2MP depth sensor enables professional-looking portrait photography with natural background blur. The 13MP front camera ensures sharp selfies and clear video calls.
All-Day Reliability
Stay connected throughout busy days without battery anxiety. Fast charging support gets the device powered up quickly when needed, whilst efficient power management ensures dependable operation from morning commutes to evening entertainment.
Android Operating System
The Galaxy A21s runs Android with Samsung's One UI interface, offering access to millions of applications through Google Play Store. Android provides extensive customisation options, seamless Google services integration, and broad compatibility with third-party accessories and software. The platform's flexibility allows personalisation to individual preferences, from home screen layouts to notification management. Whilst Android devices may experience varied update schedules depending on manufacturer support timelines, the operating system delivers proven stability for essential smartphone functions.
Essential Specifications
- Processor: Samsung Exynos 850 octa-core (8 x 2.0GHz)
- Memory: 6GB RAM, 128GB internal storage (expandable to 512GB via microSD)
- Display: 6.5-inch PLS TFT, 720 x 1600 pixels HD+
- Rear Cameras: 48MP main + 8MP ultra-wide + 2MP macro + 2MP depth
- Front Camera: 13MP
- Connectivity: 4G LTE, Wi-Fi 802.11 a/b/g/n/ac dual-band, Bluetooth 5.0
- Dimensions: 163.7 x 75.3 x 8.9 mm
- Weight: 192 grams
- Ports: USB Type-C, 3.5mm headphone jack
- Security: Rear-mounted fingerprint sensor
Understanding Device Condition Grades
Excellent Grade smartphones exhibit minimal wear with screens that are pristine and free from scratches, cracks, or dead pixels, presenting an almost-new appearance with only light signs of previous use.
Good Grade devices are fully tested and functional, featuring screens free from dead pixels but may display slight scratching from moderate use, along with body scratches or minor paint chips whilst maintaining complete operational integrity.
Reboot IT Quality Assurance
Every Samsung Galaxy A21s has been verified as refurbished through Reboot IT's thorough testing process, ensuring all features and functions operate as intended. Since 2001, Reboot IT has been an industry expert, utilising cutting-edge testing software to examine every component including cameras, microphones, speakers, sensors, connectivity, display responsiveness, and port functionality. Each certified refurbished unit undergoes comprehensive evaluation to meet stringent quality standards before earning approval for sale.
This unlocked smartphone is sold by Reboot IT with a 1-year warranty for added peace of mind. The unlocked status ensures compatibility with major Australian carriers, providing flexibility to choose or switch providers without restriction.
Make the Smart Choice
Experience premium Samsung technology at a fraction of the original cost whilst contributing to environmental sustainability. Choosing certified refurbished reduces electronic waste and conserves resources without compromising on functionality or reliability.
Ready to upgrade? Add this certified refurbished Samsung Galaxy A21s to your cart and enjoy quality, value, and dependable performance backed by Reboot IT's expertise and warranty protection.
Camera|Touch Screen|Wi-Fi Capable |
Features | Bluetooth Enabled|Camera|Fingerprint Scanner |
Model | Galaxy A21s |
Contract | Without Contract |
Resolution | 720x1600 |
Processor | Exynos 850 2.0 GHz |
Model Number | SM-A217F |
Processor Model | Exynos 850 2.0 GHz |
Colour | Black |
Ram | 6GB |
Network | Unlocked |
Brand | Samsung |
Memory Card Type | microSD |
Camera Resolution | 48 MP |
Screen Size | 6.5 |
Storage Capacity | 128GB |
Sim Card Slot | Dual SIM |
Operating System | Android |
Connectivity | 4G|Bluetooth|USB-C|Wi-Fi |
Processor Speed | 2.0GHz |
Style | Bar |
Manufacturer Warranty | 3 Months |
Refurbished Computers - Cosmetic Grading Guide
Our supplier's refurbished hardware is typically graded either "Excellent" or "Good", however, some legacy products were graded under a letter grading system (A, B, C). Please find the definitions for each grade below and contact us if you're uncertain of a device's grade.
Used Smartphone / Refurbished Mobile Phones
"Excellent" Grade
Devices in this category appear like new, with very minor wear. Expect light or fine scratches on the screen that are shallow enough not to catch on a fingernail. The edge around the glass is virtually flawless, save for possible light scratching around the power port. The back plate may show light/fine scratches, including on the Apple logo, with any discoloration being minimal.
"Good" Grade
These devices are characterized by being fully tested and functional even if they have body scratches, minor paint chips, or a small hairline crack on the screen. Screens are free from dead pixels but may exhibit slight scratching from moderate use.
Refurbished Desktops, Laptops and Monitors
"Excellent" Grade - Laptops
Reserved for units that show barely any signs of previous use, these laptops may exhibit very minor scuffing or abrasions, associated only with minimal standard use. The keyboards show light wear, and importantly, the screens are pristine, free from any scratches, cracks, chips, dead pixels, dark spots, discoloration, or blemishes.
"Excellent" Grade - Desktops
Desktop PCs in the "Excellent" grade category are free from deep scratches, cracks, paint chips, or any broken/missing pieces, ensuring a sleek and almost-new aesthetic.
"Excellent" Grade - Monitors
"Excellent" grade is reserved for units that show evidence of very little to no previous use. Any wear on an "Excellent" Display, including housing/frame and/or external surfaces (i.e. Frame) is associated with standard minimal use. "Excellent" units may have minor scuffing and / or minor abrasions on plastics with from standard light previous use."Excellent" Displays will feature no scratches, cracks, chips, dead pixels, dark spots, discoloration or blemishes. Units will only feature the standard minimal wear and tear that is associated with a used unit.
"Good" Grade - Laptops
"Good" laptops may feature one or several small dings or dents on covers and / or small paint chips on the surface or small hairline cracks in the bezel. Laptop screens may feature uneven light diffusion in screen and may feature subtle blemishes. "Good" Laptops will not feature cracks screens but may feature slight scratching, dead pixels or white spots on the screen.
"Good" Grade - Desktops
"Good" grade desktops may have light scratches on external body and may feature more excessive unit housing and/or external case wear than "Excellent" units, including wear on case / lid. "Good" PCs may feature one or several small dings or dents on covers and / or small paint chips on the surface.
"Good" Grade - Monitors
Displays in the "Good" grade have been fully tested and are functional but may include scratches on body, small paint chips, minor cracks on body, loose and/or wobbly bases. "Good" Display screens may feature uneven light diffusion in screen and may feature subtle to moderate blemishes. "Good" Displays will not feature cracks on screens but may feature slight scratching on screen surfaces from moderate use or wear, dead pixels or white spots on the screen.
Legacy letter grading
Used Smartphone / Refurbished Mobile Phones
A Grade
- No chips, scratches or cracks on the front glass and housing
- No missing or alternative parts
- No sign of liquid damage
- Battery cannot be swollen
B Grade – Same as A Grade except:
- May have light scuffs but no chips or cracks
- Light scratches on housing or front glass
C-Grade – Same as B Grade except:
- Unlimited long shallow scratches on the front glass
- No chips or cracks on the front glass
- Unlimited scratches, chips/dents on back cover housing and corners
- Minor cracks allowed
- Customized housing and aftermarket covers allowed
Refurbished Desktops, Laptops and Monitors
A-Grade
- Overall excellent to very good cosmetic condition. Some may be pristine, others may have light scratches or minor blemishes
- Laptops may have some shiny areas around the keyboard such as the space bar, touchpad or touchpad buttons
- Keyboard keys will be in excellent condition
- Laptop and monitor screens will be blemish free
- Cosmetic blemishes will not impact the overall functionality or performance of the device
B-Grade
- Will have some cosmetic blemishes that include scratches and/or other imperfections
- Minor scratches and dents on the housing
- Laptops may have shiny keys or shiny surfaces around the keyboard however all characters will be legible
- Laptop and monitors screens will have imperfections such as minor scratches, minor chips and/or white spots. There will be no cracking on the screen
- Have the same warranty as A Grade
- Pricing will be cheaper than A Grade
C-Grade
- Same as B-Grade except may have unlimited scratches/blemishes on the screen
- May have cracks/chips or dents on the housing
- Have the same warranty as A Grade
- Pricing will be cheaper than B Grade