OnePlus 6T – Mirror Black — Screen Burn / Shadow (AS-IS)
- TrueGrade tested — passes our 25-point inspection
- Fast, tracked shipping
- 90-day returns
- Up to 70% cheaper than new
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Buy a certified refurbished OnePlus 6T in Mirror Black from $77 at Device Giant — every 6T 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 OnePlus 6T, released in late 2018, was a flagship killer known for its exceptional value. It featured a large 6.41-inch Optic AMOLED display with a discreet waterdrop notch, offering an immersive viewing experience. Powered by the robust Snapdragon 845 processor and OxygenOS, it delivered a smooth and responsive user experience, making it a favorite among Android enthusiasts. Its sleek glass design and innovative in-display fingerprint sensor were premium touches for its price point. Compare grades, storage and carrier options below and save versus buying new.
6T key features
- 6.41-inch Optic AMOLED Display
- Qualcomm Snapdragon 845 Processor
- In-Display Fingerprint Sensor
- Fast 20W Wired Charging
- Premium Glass Design
- OxygenOS Experience
- Dual Rear Cameras
- Large Battery
6T full specifications
| Display | 6.41" Optic AMOLED, 2340 x 1080, 60Hz |
|---|---|
| Processor | Octa-core |
| RAM | 6GB |
| Storage | 128GB, 256GB |
| Rear camera | 16 MP |
| Front camera | 16 MP, f/2.0, 25mm (wide) |
| Battery | 3700 mAh, 20W wired (Dash Charge) |
| Build | Glass front (Gorilla Glass 6), glass back, aluminum frame |
| Operating system | Android |
| Network | 4G LTE |
| Biometrics | Under-display optical fingerprint, Face Unlock |
| Dimensions | 157.5 x 74.8 x 8.2 mm |
| Weight | 185 g |
Why buy a refurbished 6T?
- Save big — a used 6T starts at just $77, well below retail.
- 25-point TrueGrade tested — battery, screen, cameras, buttons and network all verified.
- 90-day warranty & free shipping on every 6T.
- Better for the planet — buying refurbished keeps e-waste out of landfills.
- Still offers solid performance for everyday tasks and light gaming.
- OxygenOS provides a clean, near-stock Android experience with useful features.
- The Optic AMOLED display remains vibrant and enjoyable for media consumption.
6T pros and cons
Pros
- Excellent performance for its age
- Vibrant AMOLED display
- Fast and fluid OxygenOS
- Good battery life
- Premium build
Things to know
- No headphone jack
- No wireless charging
- No official IP rating
- Single speaker
Carrier compatibility
This refurbished 6T is available unlocked and compatible with T-Mobile/Unlocked. Check the carrier selector above — we only show options we have in stock so you can buy the exact 6T that works on your network.
Storage options
Choose the 6T 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.
6T — frequently asked questions
Is the OnePlus 6T still worth buying in 2026?
Yes — with 6.41-inch Optic AMOLED Display and a proven design, the 6T remains a great-value refurbished phone, especially at $77 with a 90-day warranty.
Does the refurbished 6T come unlocked?
Most 6T units are sold unlocked and ready for T-Mobile/Unlocked. Carrier-specific versions are clearly labeled in the carrier selector.
How much does a used 6T cost?
At Device Giant a refurbished 6T starts from $77, with the exact price depending on storage, carrier and TrueGrade condition.
What's included with a refurbished 6T?
Your 6T 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 6T.
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 →
