- TrueGrade tested — passes our 25-point inspection
- Fast, tracked shipping
- 90-day returns
- Up to 70% cheaper than new
LG K40 – Platinum Gray
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Buy a certified refurbished LG K40 in Platinum Gray from $51 at Device Giant — every K40 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 LG K40 is a budget-friendly smartphone designed for everyday use. It offers a straightforward Android experience with essential features for communication and basic entertainment. Its compact size and user-friendly interface make it a suitable choice for those seeking a no-frills mobile device. Compare grades, storage and carrier options below and save versus buying new.
K40 key features
- 6.1-inch IPS Display
- Octa-core Processor
- 13MP Rear Camera
- 5MP Front Camera
- Rear-mounted Fingerprint Sensor
- MicroSD Expandable Storage
- 3.5mm Headphone Jack
- Android 9.0 (Pie)
K40 full specifications
| Display | 6.1 inches IPS LCD, 720 x 1440 |
|---|---|
| Processor | MediaTek MT6762 Helio P22 |
| RAM | 2GB |
| Storage | 32GB |
| Rear camera | 13 MP (wide) |
| Front camera | 5 MP, f/2.8 |
| Battery | 3000 mAh |
| Build | Glass front, plastic back, plastic frame |
| Operating system | Android |
| Network | GSM / HSPA / LTE |
| Biometrics | Fingerprint (rear-mounted) |
| Dimensions | 156.3 x 73.2 x 8.6 mm |
| Weight | 142 g |
Why buy a refurbished K40?
- Save big — a used K40 starts at just $51, well below retail.
- 25-point TrueGrade tested — battery, screen, cameras, buttons and network all verified.
- 90-day warranty & free shipping on every K40.
- Better for the planet — buying refurbished keeps e-waste out of landfills.
- Affordable price point
- Simple and intuitive user interface
- Decent display for media consumption
K40 pros and cons
Pros
- Affordable
- Headphone jack included
Things to know
- Low resolution display
- Limited RAM and storage
- Older Android version
- Basic camera performance
Carrier compatibility
This refurbished K40 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 K40 that works on your network.
Storage options
Choose the K40 in 32GB. 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.
K40 — frequently asked questions
Is the LG K40 still worth buying?
Yes — with 6.1-inch IPS Display and a proven design, the K40 remains a great-value refurbished phone, especially at $51 with a 90-day warranty.
Does the refurbished K40 come unlocked?
Most K40 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 K40 cost?
At Device Giant a refurbished K40 starts from $51, with the exact price depending on storage, carrier and TrueGrade condition.
What's included with a refurbished K40?
Your K40 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 K40.
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 →
