Complete LG K40 Specs

Main Camera
Selfie Cam
Key Specs
Release dateFirst quarter 2019

Camera Details
Camera Resolution16-megapixel
Camera flashLED
Camera Options
  • Automatic/Manual Mode
  • Google Lens
  • Food Mode
  • HDR
  • Geo-tagging
  • Self timer
  • Burst
  • Cheese Shutter
Camera Features
  • AI CAM
  • Phase-detection autofocus (PDAF)
  • Photo editor
Camera ApertureF/2.0
Digital Zoom4x
Camera pixel size1 microns
Video recorder featuresPause and resume function, Capture frame
Max Video Resolution1920 x 1080 px
Video frames per second30
Video formatsMP4
Selfie Cam Resolution8-megapixel
Selfie OptionsSelfie Portrait, Gesture Shot
Selfie FeaturesFace detection, 17 filters
Selfie flashLED
Max front-cam Video Resolution1920 x 1080
Display size5.7 inches
Display dots per inch282 DPI
Display TypeIPS (FullVision)
Display aspect ratio18:9
Display Resolution1440 x 720 px
Display's superficy13.01 square inches
Display's superficy (metric)330.45 square mm
Display finishTempered glass
Display total pixels1036800
Display featuresReading mode
Operating SystemAndroid 8.1 Oreo with LG UX 7.0
ProcessorMediaTek Helio P22 (MT6762)
CPU Cores8
CPU architecture64-bit
Processor Speed2GHz
Graphic Processor (GPU)IMG PowerVR GE8320
Physical Features
Weight (grams)144g
Thickness (metric)8.3 mm
Width (metric)71.9 mm
Height (metric)153 mm
Grams per cubic cm0.16 g/cu cm
Headset Jack3.5mm
Available colors
  • New Moroccan Blue
  • New Platinum Gray
Base technology2G
3G Networks3G
4G NetworksLTE
SIM card typeNano SIM
Wi-Fi802.11 a/b/g/n/ac (dual-band)
Bluetooth Technology5.0
DLNA (DMC, DMP, DMS profiles)
USB classMicro USB 2.0 (HS)
Storage Memory
Memory ExpansionMicroSD
Expansion LimitUp to 2000GB
Battery Life
Stand-by Time100 hours (4.2 days)
Talk Time480 minutes (8 hours)
Battery Power3000mAh
mAh per gram21 mAh/g
mAh per mm thick361 mAh/mm of thickness
mAh per display square in.231mAh/sqrin.
Talk minutes per Ah160min./Ah
Music / Multimedia
Audio file formatsMP3, AAC, AAC +, e-AAC +, AMR-NB, AMR-WB, Vorbis, Flac, PCM, WMA, OPUS
Music Equalizer (10-band)
Music featuresDTS:X 3D Surround Sound
Speaker power1
Email FormatsPOP3, IMAP4, Microsoft Exchang
General Specs
Phone lockKnockON
Manufacture product IDLMX420EM
Other features
SensorsProximity, Motion, Brightness
Video FormatsH.263, H.264, H.265, MPEG4, Xvid, VP8/9, MJPEG, THEORA
Memo Book (QuickMemo)
Special keysGoogle Assistant button
Included software
  • Google Assistant
  • Document viewer
  • Capture+
  • Amazon Assistant
  • File Manager
  • Safe Family
  • Smart Doctor
Location servicesA-GPS, GLONASS
Silent or Vibrating alerts (with notification LED)
Fingerprint detector


The LG K40 passes the MIL-STD-810G rugged certification, giving it native resistance to things like high temperatures and salt fogs, while it supports a whopping 2TB of external memory, which was not a very common facet among mid-range smartphones when it was released. It also settles for a dated 2GB RAM count, despite many of its mid-end rivals offering 3GB or 4GB RAMs.

General LG K40 Information

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* Spec accuracy is not guaranteed. Please do a confirmation of the key specs before making a final choice. Cell phone makers do not always detail all their phone's functions, making it difficult for us to guess whether or not a specific cell phone has a specific function. If you spotted an inaccuracy in this spec sheet, please let us know as soon as possible.

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* Prices shown are only indicative. They were recently fetched by our system and may have changed meanwhile.


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