LG K40™ | Metro by T-Mobile
  • 5.7" HD+ FullVision Display
  • 13MP PDAF Rear Camera with Fast Catch
  • 5MP Front-Facing Camera with Front Flash Light
  • Rear Key with Fingerprint Sensor
  • 2,890 mAh Non-Removable Battery
LG K40™ | Metro by T-Mobile
Where to Buy
*Actual battery time may vary depending on network connectivity and application use.


  • Screen Size
    5.7 inches
    Screen Resolution
    1280 x 720 pixels
  • Battery Capacity
    2,890mAh Non-Removable
    Rear Camera Resolution
    13 MP
  • Front Camera Resolution
    5 MP
    1.8 GHz Octa-Core Qualcomm Snapdragon™ SDM450
  • Memory
    2 GB RAM
    32 GB ROM (up to 17.9 GB usable)**
  • Carrier
    Metro by T-Mobile


  • Display
    5.7" HD+, 720 x 1440 pixels
    Android™ 9.0 (Pie)
  • Processor
  • Frequencies
    GSM 850/900/1800/1900MHz; LTE Bands B2/4/5/7/12/25/26/41/66/71
    6.02" (H) x 2.83" (W) x 0.32" (D)
  • Weight
    5.1 oz.
    Hearing Aid Compatible (HAC)
    M3/T3 rating
  • Battery Capacity
    2,890mAh (Non-Removable)
    Talk Time
    Up to 12 hours*
  • Standby Time
    Up to 19 days and 10 hours*
    Internal Memory
    32GB (17.9GB usable)**
  • RAM
    MicroSD™ Memory Card Support
    Up to 2TB***
  • *
    Actual time may vary depending on network connectivity and application use.
    Usable memory can vary depending on software versions and settings.
  • ***
    Memory cards sold separately.


  • UPC
What people are saying
Rated 5 out of 5 by from My LG K40 phone Love this phone! Better than the K30! It's fast, has a great camera, and the speaker works tremendously well! A very beautiful phone as well!
Date published: 2019-09-06
Rated 3 out of 5 by from only a week do far so good fits good in my hand no stopping lots is space occasionally slows when I'm in my backyard. Not as loud as I prefer.
Date published: 2019-09-03
Rated 4 out of 5 by from great features I just bought it two weeks ago love it great design easy to learn how to use
Date published: 2019-09-01
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Ask your questions. Share your answers.
Please review the detailed product information and help guides in the
Product Support section for this product prior to posting a question.

Is the LG K40 possible to charge wirelessly

Asked by: Aj12
The K40 is not capable of wireless charging.
Answered by: ChrisPSM
Date published: 2019-08-28

looking for a LG K20V prone

Asked by: Gordo ray
wouldnt suggest the LG K40. I have it and not even an hr after purchasing i tripped and fell due to there not being a hard shelled case
Answered by: backoff
Date published: 2019-08-29

Compatible for google pay for digital wallet?

Asked by: Geronimo123
Applications are able to be downloaded to this device using the Google Play Store.
Answered by: ChrisPSM
Date published: 2019-08-01

How much is it??

Asked by: Ani567
We appreciate your interest in the K40. Prices, promotions and availability may vary by store and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for final price and availability.
Answered by: ChrisPSM
Date published: 2019-07-31
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