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2.0 | 6 Reviews

LG K40™ U.S. Cellular



  • 5.7" HD+ FullVision Display
  • 13MP Autofocus Rear Camera with Fast Catch
  • 5MP Front-Facing Camera with Front Flash Light
  • Rear Key with Fingerprint Sensor

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An expansive, vivid display turns everything you see into a cinematic experience, and 2.5 D Arc Glass is engineered to fit beautifully inside your hand.


Easily share moments with friends and followers. An intelligent 13 MP camera with Fast Catch ensures high-quality pictures that are sure to get noticed.


Go wherever life takes you with a phone that's built to keep up.


  • 5.7" HD+ FullVision Display
  • 13MP Autofocus Rear Camera with Fast Catch
  • 5MP Front-Facing Camera with Front Flash Light
  • Rear Key with Fingerprint Sensor
  • 3,000 mAh Non-Removable Battery
Screen Size
Screen Resolution 1440 x 720 pixels
Battery Capacity 3,000 mAh Non-Removable
Rear Camera Resolution 13 MP
Front Camera Resolution 5 MP
Processor 1.8 GHz Octa-Core Qualcomm Snapdragon™ SDM450
Memory 2 GB RAM
Storage 32 GB ROM (up to 20 GB usable)
Carrier U.S. Cellular
Display 5.7" HD+, 1440 x 720 pixels
Platform Android 8.0 (Oreo)
Processor 1.8 GHz Octa-Core Qualcomm Snapdragon™ SDM450
Frequencies CDMA 1.9 GHz/800 MHz; GSM 850/900/1800/1900 MHz; LTE Bands 2/4/5/12
Dimensions 6.02" (H) x 2.83" (W) x 0.32" (D)
Weight 5.11 oz.
Hearing Aid Compatible (HAC) M3/T3 Rating
Battery Capacity 3,000 mAh (Non-Removable)
Talk Time Up to 12 hours*
Standby Time Up to 19 days and 12 hours*
Internal Memory 32 GB (20 GB usable)
MicroSD™ Memory Card Support Up to 2 TB**
* Actual battery time may vary depending on network connectivity and application use.
** Memory cards sold separately.
UPC 652810832663

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.


Why NSI Protection Plus?

Our service plan is an economical way to extend the terms of your product's manufacturer parts & labor warranty.

Most manufacturer's limited warranties leave customers with no protection against the rising cost of repairs.

Even the best products can malfunction and the most minor repairs can cost hundreds.

About NSI Protection Plus

Administered by Warrantech and insured by AmTrust Financial, NSI Protection Plus is the largest service network in the industry with 30 years of building the network and over 22 million in paid claims.

The most comprehensive repair plans in the business!

  • Day one coverage on special features
  • Removal and reinstallation coverage
  • $25 Laundry credit (Washers and Dryers)
  • 5 year appliance contracts include 10 year major component coverage
  • $250 Food credit (per incident, eligible products)
  • The only true "No Lemon Guarantee" in the business
  • No "CAP" on repairs or replacement, unlimited repairs.

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Electronics can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

2.0 out of 5

33% of reviewers recommend this product.

1 Stars


Carolt 5/22/2021

Was defected now i have no phone I brought it back to store and they said it was a manufacturer issue n i cant get in contact
Originally posted on

No, I do not recommend this product


5 Stars

This is an awesome phone it works just like i I wa

DRE69 4/23/2021

I bought this phone a couple weeks ago its exactly what I wanted
Originally posted on

Yes, I recommend this product


1 Stars


AnniePug 1/28/2021

I got my K40 a year ago as an upgrade from my LG K8+. I always get an LG phone. I have always had very good LG phones but I sure did get a rotten one this time. I didnt have it 2 months and it got very slow and I was getting pop ups that the System wasnt working. I cannot count now how many times I have had it to the store and talked to customer service. About 3 months ago it started making its own phone calls and I wasnt even touching it at the time. Then I would get phone calls and it wouldnt let me answer them. I have always had trouble keeping my 4G on and we have reset the specs probably 7 times in the last year. I have even backed everything up and reset it back to factory 2 times. This phone has been a joke and the worst I have ever had. Thankfully I am almost ready for an upgrade. I will more thank likely go with an LG but be sure I will take it back if it is like this one.
Originally posted on

No, I do not recommend this product

 Incentivized Review






3 Stars

Mirror letdown

Sailtheseaoflife 1/28/2021

With all this phone has to offer if you dont have wifi at home you cant mirror your screen like lesser devises can. I have a UHD Lg Tv and I cant for the life of me mirror to this or other tvs. A friend had a cheaper Acetel phone clicked share like the lg the tv switched over to mirror his phone with a tap. I downloaded may apps and none just took over the TV and mirrored. Direct devise to devise. It boggs when memory is over 90 . also UI constantly cuts out. Keyboard at time just dissapears then pops up. But for the dollar for dollar I am glad the price was lowered. But control other divices connected It was a letdown
Originally posted on

Yes, I recommend this product


1 Stars

Blackness 1/17/2021

I got my upgrade lgk40 and was stuck with a lemon. No one wants to help me. Us cellular says ti contact lg manufacturers and lg says to contact us cellular. I used my upgrade and got stuck. No one will help me and Im tired of fighting a losing battle.
Originally posted on

No, I do not recommend this product

1 Stars

Lasted 2 whole months

Carrin 12/13/2020

This phone stopped working after just 2 months. Sent it back to LG since its under warranty but big surprise they wont honor the warranty. I will never buy another LG product
Originally posted on

No, I do not recommend this product