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Smartphone LG K40

LG
Phones
Smartphone

The LG K40 is a sleek and powerful smartphone designed to meet the daily needs of users. With its 5.7-inch display and a resolution of 720 x 1440 pixels, it offers a pleasant and immersive visual experience, ideal for browsing and consuming multimedia content.

Powered by a MediaTek MT6762 processor with 8 cores and a frequency of 2 GHz, the LG K40 ensures smooth usage, whether for multitasking or resource-intensive applications. Its 2 GB of RAM and 32 GB of internal storage are expandable via a microSD card, allowing you to store all your files and applications.

The rear camera of 16 MP with flash and autofocus lets you capture quality photos, even in low light, while the front camera of 8 MP is perfect for selfies and video calls. The LG K40 is also equipped with a 3000 mAh battery, providing sufficient battery life for daily use, as well as wireless charging for added convenience.

With a modern design in Moroccan Blue and a lightweight of 144 g, the LG K40 is easy to carry. It is also compatible with 4G networks, ensuring fast and reliable connections. Finally, it runs on the Android 8.1 operating system, providing access to a wide range of applications via the app distribution platform.

In summary, the LG K40 is a well-equipped smartphone, combining sleek design and solid performance, ideal for users looking for a reliable and versatile device.

Manuals of product K40

First page image of the manual for K40

User Manual
929 pages
View manual
First page image of the manual for K40

Technical Sheet
1 page
View manual
7 10

Editorial note

The LG K40 stands out with its modern and elegant design, particularly thanks to its Moroccan Blue color that gives it a sophisticated look. Its 5.7-inch IPS display, while acceptable in terms of resolution (720 x 1440 pixels), may not meet the demands of users looking for high-definition display quality, especially for video watching. In terms of performance, the smartphone is powered by a MediaTek 8-core processor running at 2 GHz, allowing for smooth and efficient app usage. However, with only 2 GB of RAM, running multiple applications simultaneously can lead to slowdowns, detracting from the user experience. The 3000 mAh battery is adequate for daily use but may seem insufficient for heavy users who need extended battery life. Additionally, the lack of features like FM radio and wireless charging may disappoint some users. Despite these drawbacks, the LG K40 offers commendable features such as a fingerprint reader for enhanced security and modern connectivity with Bluetooth 5.0. Its intuitive interface makes it easy to use, although the display quality may be a point of contention for some users. In summary, the LG K40 is a smartphone that meets essential needs but could benefit from some improvements to fully satisfy the most demanding users.

Score details

User experience

The user experience is generally positive thanks to a sleek and modern design in Moroccan Blue, but the RAM capacity of only 2 GB can lead to slowdowns when running multiple applications.

Performance

The performance is satisfactory thanks to the 8-core MediaTek processor, but the RAM limitation can hinder efficiency during multitasking.

Battery life

The 3000 mAh battery capacity is acceptable for daily use, but may seem insufficient for heavy users.

Design

The design is modern and attractive with a quality finish, adding a touch of elegance to the device.

Features

The LG K40 offers interesting features such as a fingerprint reader and Bluetooth 5.0 connectivity, but the lack of FM radio and wireless charging may disappoint some users.

Usability

The interface is intuitive, but the screen resolution of 720 x 1440 pixels may not satisfy users looking for high-definition display quality.

Advantages

Modern design in Moroccan Blue color

5.7-inch IPS display, resolution 720 x 1440

MediaTek 8-core processor, smooth performance

Expandable storage up to 2000 GB

Fingerprint reader for quick security

Bluetooth 5.0 connectivity and fast 4G

Disadvantages

RAM limited to 2 GB, mediocre performance

No built-in FM radio

3000 mAh battery, insufficient battery life

Low screen resolution for videos

No wireless charging

Single rear camera, limited flexibility

Technical Specifications K40

General Information

Design

  • Product color
    Blue
  • Color name
    Moroccan Blue
  • Format
    Bar

Screen

  • Screen size
    5.7 "
  • Screen resolution
  • Screen shape
    720 x 1440 pixels
  • Image format
    Flat
  • Touch technology
    18:9
  • Touch screen type
    Multiple pressures
  • Pixel density
    Capacity
  • Type of panel
    282 pixels per inch
  • IPS

Other features

  • Touch screen
    Yes

Detectors

  • Ambient light sensor
    Yes
  • Ambient light sensor
    Yes
  • Ambient light sensor
    Yes
  • Ambient light sensor
    Yes

Representation / realization

  • Wireless charging
    -
  • Flight mode
    Yes
  • Flight mode
    Yes
  • Flight mode
    Yes
  • Flight mode
    Yes
  • Flight mode
    Yes
  • Graphics adapter
    PowerVR GE8320
  • Flight mode
    Yes

Navigation

  • Electronic compass
    Yes
  • Electronic compass
    Yes
  • Electronic compass
    Yes
  • Electronic compass
    Yes

Processor

  • Processor frequency
    2 GHz
  • Processor family
    MediaTek
  • Processor model
    MT6762
  • The architecture of the processor
    ARM Cortex-A53
  • Number of processor cores
    8
  • 64-bit computing
    Yes
  • Processor lithography
    12 nm

Multimedia

  • FM Radio
    No
  • Speakers
    Mono
  • Supported audio formats
    AAC, AAC+, AMR-NB, AMR-WB, FLAC, MP3, OPUS, PCM, Vorbis, WMA, eAAC+
  • Supported video format
    H.263, H.264, H.265, M-JPEG, MP4, MPEG4, VP8, VP9, XVID

Call management

  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes

Storage support

  • RAM capacity
    2 GB
  • Internal storage capacity
    32 GB
  • User memory
    20.2 GB
  • Compatible memory cards
    MicroSD (TransFlash)
  • Maximum memory card size
    2000 GB
  • Type of memory card slot
    Dedicated slot

Software

  • Platform
    Android
  • Installed operating system
    Android 8.1
  • Support Google applications
    Gmail, Google Chrome, Google Play
  • Application distribution platform
    Google Play

Camera

  • Front camera type
    Single camera
  • Delay device
    Yes
  • Delay device
    Yes
  • Resolution of the rear camera (digital)
    16 MP
  • Pixel size of the rear camera
    1 µm
  • Size of rear camera sensor
    1/3 "
  • Rear camera opening number
    2
  • Front camera type
    Single camera
  • Front camera resolution (digital)
    8 MP
  • Delay device
    Yes
  • Digital zoom
    4 x
  • Delay device
    Yes
  • White balance
    Auto
  • White balance
    Auto
  • Delay device
    Yes
  • Video recording modes
    1080p
  • Maximum cadence
    30 fps
  • Quick shot resolution
    1920x1080@30fps
  • Flash type
    LED
  • Delay device
    Yes
  • Delay device
    Yes
  • Video capture resolution
    1920 x 1080 pixels

Battery

  • Battery capacity
    3000 mAh
  • Battery technology
    Lithium-Ion (Li-Ion)
  • Removable battery
    No
  • Talk time (3G)
    8 h
  • Waiting time (3G)
    100 h

Network

  • SIM card capacity
    Dual SIM
  • Bluetooth Low Energy (BLE)
    Yes
  • SIM card type
    NanoSIM
  • 2G Standards
    GSM
  • 3G Standards
    HSDPA, HSUPA, UMTS
  • 4G standard
    LTE
  • Wifi standards
    802.11a, 802.11b, 802.11g
  • Bluetooth Low Energy (BLE)
    Yes
  • Bluetooth model
    5.0
  • 2G band (2nd SIM card)
    850,900,1800,1900 MHz
  • 2G band (2nd SIM card)
    850,900,1800,1900 MHz
  • 3G bands supported
    850,900,1900,2100 MHz
  • 4G support
    800,1800,2600 MHz
  • Mobile network generation
    4G
  • Bluetooth Low Energy (BLE)
    Yes

Registration

  • Registration type
    Without plan

Connectivity

  • USB port
    Yes
  • USB Version
    2.0
  • USB connector
    Micro-USB
  • Headset connection
    3.5 mm

Weight and dimensions

  • Weight
    144 g
  • Width
    71.9 mm
  • Depth
    8.3 mm
  • Height
    153 mm

Messaging

  • Text prediction system
    Yes
  • Text prediction system
    Yes
  • Text prediction system
    Yes
  • Text prediction system
    Yes
  • Text prediction system
    T9

Certificate

  • Certification
    MIL-STD-810G
  • Certified DLNA (Digital Living New-York Alliance)
    Yes

Packaging contents

  • Cables included
    Micro-USB
  • Ejection pin
    Yes
  • Ejection pin
    Yes

Frequently Asked Questions

How do I reset my LG K40?
To reset your LG K40, press and hold the volume up, power, and home buttons simultaneously while the device is starting up.
What should I do if my SIM card is too small for my phone?
You just need to use a SIM card adapter that will allow you to insert the smaller SIM card. Then, insert the adapter into the phone.
What is the IMEI number?
The IMEI, or "International Mobile Equipment Identity," is a unique number made up of fifteen digits that distinctly identifies your LG phone.
What are the dimensions of my smartphone's screen?
The size of your smartphone's screen is usually indicated in inches, knowing that one inch equals 2.54 centimeters. This measurement corresponds to the diagonal of the screen, which you should measure from the bottom left corner to the top right corner.
Is there a risk of my smartphone's battery exploding?
It is important to ensure that your smartphone's battery does not overheat, as while the risk of explosion is very low, it does exist.
What operating system is installed on the LG K40?
The LG K40 runs on the Android operating system.
What is the weight of the LG K40?
The weight of the LG K40 is 144 grams.
What certifications does the LG K40 have?
The LG K40 has the MIL-STD-810G certification.
What is the size of the LG K40's screen?
The screen of the LG K40 measures 5.7 inches.
What is the height of the LG K40?
The height of the LG K40 is 153 millimeters.
What is the resolution of the LG K40's screen?
The resolution of the LG K40's screen is 720 x 1440 pixels.
What is the width of the LG K40?
The width of the LG K40 is 71.9 millimeters.
What is the depth of the LG K40?
The LG K40 has a depth of 8.3 millimeters.
What type of USB connection is present on the LG K40?
The LG K40 is equipped with a Micro-USB connection.
What is the built-in storage capacity of the LG K40?
The LG K40 has a storage capacity of 32 GB.
Is the manual for the LG K40 available in French?
Yes, the manual for the LG K40 is available in French.

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Presentation of product K40 specifications from brand LG

General Information

The LG K40, a smartphone from the LG brand, is recognized for its quality and technological innovation. This model, identified by the number K40 | LMX420EMW.AITCBL, offers optimal performance and an enhanced user experience. The EAN code for this product is 8806087041538, allowing for unique identification in distribution systems.

Design

This smartphone features a Moroccan Blue color, giving it a modern and elegant look. Its bar format ensures a practical and comfortable grip in various usage contexts.

Display

The LG K40 is equipped with a 5.7-inch IPS display, offering a resolution of 720 x 1440 pixels. This configuration guarantees a pleasant display quality for all your multimedia content. The 18:9 aspect ratio promotes an immersive experience, while the capacitive touch technology ensures smooth and precise interaction. With a density of 282 pixels per inch, the display is sharp and colorful.

Other Features

The LG K40 features a touchscreen, ensuring intuitive use.

Sensors

This model includes several useful sensors: an orientation sensor to determine the device's position, a proximity sensor to detect nearby objects, an accelerometer to measure movements, and an ambient light sensor to automatically adjust the screen brightness.

Representation / Performance

The LG K40 supports USB On-The-Go, facilitating the connection of USB devices. It is equipped with a mono speaker providing a satisfactory sound experience and a vibrator for discreet alerts. This model also includes a fingerprint reader for enhanced security and allows video calls, enriching interactions.

Navigation

This smartphone is equipped with Assisted GPS (A-GPS) for quick and accurate location. It also supports GLONASS for improved navigation and includes an electronic compass, handy for outdoor activities.

Processor

The LG K40 operates with a MediaTek processor with 8 cores and a frequency of 2 GHz, ensuring smooth performance. Its ARM Cortex-A53 architecture optimizes task execution speed. The 64-bit compatibility ensures efficient use of modern applications.

Multimedia

Unfortunately, this model does not have an FM radio. Its mono speaker provides satisfactory sound. It supports numerous audio formats (AAC, MP3, FLAC, etc.) and video formats (H.264, MP4, etc.), ensuring a versatile multimedia experience.

Call Management

The LG K40 includes practical features such as call waiting, call forwarding, hold, caller ID, and the ability to conference call, thus facilitating communication management.

Storage Support

The smartphone is equipped with 2 GB of RAM and an internal memory of 32 GB, expandable up to 2000 GB via a MicroSD card, offering appreciated flexibility for data storage.

Software

The LG K40 runs on Android 8.1, ensuring an intuitive user interface and access to numerous applications via the Play Store.

Camera

The smartphone is equipped with a 16 MP rear camera, with an LED flash and autofocus for quality photos, even in low light. The 8 MP front camera allows for clear selfies and video calls. It supports video recording in 1080p with a maximum frame rate of 30 fps.

Battery

The LG K40 is powered by a 3000 mAh battery, offering satisfactory usage time. Although non-removable, this battery allows for prolonged use without frequent recharges.

Network

This model supports 4G LTE connectivity, with 2G, 3G, and 4G standards for reliable mobile communication. It is compatible with Nano SIM cards and offers Wi-Fi and Bluetooth 5.0 connectivity for fast and efficient connections.

Registration

The LG K40 is offered without a plan, providing users with flexibility without commitment.

Connectivity

The smartphone is equipped with a USB 2.0 Micro-USB port for charging and data transfer, as well as a 3.5 mm headphone jack.

Weight and Dimensions

With a weight of 144 g and compact dimensions (71.9 mm wide, 8.3 mm deep, and 153 mm high), the LG K40 is easy to carry and handle.

Messaging

The LG K40 supports SMS and MMS services, as well as email functionality, offering quick and efficient communication. It also includes a T9 predictive text system for easier typing.

Certification

This model is certified MIL-STD-810G, ensuring its compliance with durability and performance standards. It is also DLNA certified, ensuring compatibility with various multimedia devices.

Package Contents

The LG K40 comes with a power adapter and an eject pin for easy access to the SIM card or memory card, allowing for immediate use.