- TrueGrade tested — passes our 25-point inspection
- Fast, tracked shipping
- 90-day returns
- Up to 70% cheaper than new
Samsung Galaxy A51 5G – Prism Cube Black
Buy a certified refurbished Samsung Galaxy A51 5G in Prism Cube Black from $72 at Device Giant — every Galaxy A51 5G is fully tested under our 25-point TrueGrade inspection, ships unlocked-ready, and is backed by our 90-day warranty and free US shipping. The Samsung Galaxy A51 5G, released in 2020, offers a compelling blend of features for its segment, making it a popular choice for those seeking 5G connectivity without a premium price tag. It boasts a vibrant 6.5-inch Super AMOLED display, perfect for media consumption, and a versatile quad-camera system capable of capturing a wide range of photos and videos. Compare grades, storage and carrier options below and save versus buying new.
Galaxy A51 5G key features
- 5G Connectivity
- 6.5-inch Super AMOLED Display
- Quad Camera System
- 4500 mAh Battery
- Headphone Jack
- Expandable Storage
Galaxy A51 5G full specifications
| Display | 6.5 in Super AMOLED, 2400 x 1080 pixels, 60Hz |
|---|---|
| Processor | Octa Core |
| RAM | 6 GB |
| Storage | 128GB |
| Rear camera | 48.0 MP |
| Front camera | 32 MP, f/2.2 |
| Battery | 4500 mAh, 15W wired fast charging |
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame |
| Operating system | Android |
| Network | 5G (Sub-6GHz); mmWave 5G supported on specific US carrier va |
| Biometrics | Under-display optical fingerprint, Face recognition |
| Dimensions | 158.9 x 73.6 x 8.7 mm |
| Weight | 187 g |
Why buy a refurbished Galaxy A51 5G?
- Save big — a used Galaxy A51 5G starts at just $72, well below retail.
- 25-point TrueGrade tested — battery, screen, cameras, buttons and network all verified.
- 90-day warranty & free shipping on every Galaxy A51 5G.
- Better for the planet — buying refurbished keeps e-waste out of landfills.
- Upgrade to a newer 5G device
- Get cash for a reliable mid-range smartphone
- Still offers a great display and camera for resale
Galaxy A51 5G pros and cons
Pros
- Affordable 5G connectivity
- Vibrant Super AMOLED display
- Good battery life
- Versatile quad camera setup
- Headphone jack and expandable storage
Things to know
- No official IP rating for water/dust resistance
- No wireless charging
- Mono speaker
- Plastic build materials
Carrier compatibility
This refurbished Galaxy A51 5G is available unlocked and compatible with AT&T/Unlocked, Cricket/Unlocked, US Cellular/Unlocked. Check the carrier selector above — we only show options we have in stock so you can buy the exact Galaxy A51 5G that works on your network.
Storage options
Choose the Galaxy A51 5G in 128GB. Pick more storage for photos, apps and offline media.
TrueGrade condition guide
- Grade A — Excellent: like-new, minimal to no visible wear.
- Grade B — Great: light signs of use, fully functional.
- Grade C — Fair: visible wear at the best price.
- As-is / damaged: clearly described cosmetic or functional notes, priced accordingly.
Galaxy A51 5G — frequently asked questions
Is the Samsung Galaxy A51 5G still worth buying in 2026?
Yes — with 5G Connectivity and a proven design, the Galaxy A51 5G remains a great-value refurbished phone, especially at $72 with a 90-day warranty.
Does the refurbished Galaxy A51 5G come unlocked?
Most Galaxy A51 5G units are sold unlocked and ready for AT&T/Unlocked, Cricket/Unlocked, US Cellular/Unlocked. Carrier-specific versions are clearly labeled in the carrier selector.
How much does a used Galaxy A51 5G cost?
At Device Giant a refurbished Galaxy A51 5G starts from $72, with the exact price depending on storage, carrier and TrueGrade condition.
What's included with a refurbished Galaxy A51 5G?
Your Galaxy A51 5G ships fully reset and tested with a compatible charging cable, a 90-day warranty and free shipping. Accessories vary by condition.
What do the condition grades mean?
See the TrueGrade guide above — A (excellent), B (great), C (fair) and clearly-described as-is options, so you can pick the right balance of price and cosmetics for your Galaxy A51 5G.
Every device is graded for cosmetic condition and tested for full function against our TrueGrade 25-point inspection. Buying refurbished keeps a working phone out of landfill — better for your wallet and the planet.
Better for your wallet & the planet
Every refurbished phone is a win for the planet
Choosing refurbished over new keeps a working device out of landfill — and skips the carbon, water and raw materials it takes to build a brand-new one. A small choice with real impact.
Less carbon
Most of a phone's lifetime emissions come from manufacturing. Reuse skips nearly all of it.
Less e-waste
Millions of devices are trashed every year. Every reused phone is one less in a landfill.
Fewer raw materials
No new mining of rare metals, no manufacturing water use — the device already exists.
Circular by design
When a device truly can't be saved, we harvest its working parts and recycle the rest responsibly.
Refurbished is not a compromise. It is the smarter, greener way to buy tech, and every TrueGrade device ships tested, graded and ready for its second life. See how we do it →
