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LG K40 X420EM SPECS

Full specifications of the LG K40 X420EM phone, detailed technical information, specs, features, price, review. Everything about phone.

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(3.7/5)
LG K40 X420EM

The LG K40 X420EM is a good Android phone with 2Ghz Octa-Core processor that allows run games and heavy applications.

With one SIM card slot, the LG K40 X420EM allows download up to 300 Mbps for internet browsing, but it also depends on the carrier.

Great connectivity of this device includes Bluetooth 5.0 version A2DP/LE, WiFi 802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz) and NFC to make payments and allows connection to other devices.

Including the battery, the LG K40 X420EM phone has 145 grams and it's a very thin device, only 8.3 mm.

Model and physical featuresLG K40 X420EM
BrandLG
ModelK40 X420EM
Also known asLG K40 LMX420EM NFC Single-sim, LM-X420EM, LG-LMX420EM
Country or region where it's soldEurope
Release dateMarch, 2019
Depth8.3 millimeters (0.33 inches)
Size (width x height)71.9 x 153 millimeters (2.83 x 6.02 in)
Weight145 grams (5.08 ounces)
Qwerty physical keyboardNot supported
AntennaInternal antenna
Build, materialsPlastic body, front glass
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant
Operating system (OS)LG K40 X420EM
Operating systemAndroid 8.1 Oreo
Firmware updatefeature not registered
HardwareLG K40 X420EM
Architecture - Chipset64bit - MediaTek MT6762 Helio P22 (12nm)
CPU processor2Ghz Octa-Core ARM Cortex-A53
GPU graphical controllerPowerVR GE8320 650Mhz
RAM memory2GB LPDDR3
Internal storage32GB (20GB user available)
eMMC
External storageUntil 512GB microSD, microSDHC, microSDXC
(dedicated slot)
DisplayLG K40 X420EM
Display typeTFT LCD IPS
Screen size5.7" inches
Screen-to-body ratio~76.2% (screen-to-body ratio)
TouchscreenCapacitive Multitouch
Display resolution720x1440 pixels
Pixel density (dot pitch)282 PPI
Colors16 million
Scratch-resistant glassNot supported
Mobile networks and dataLG K40 X420EM
Dual-SIMNot supported
SIM card1 slot
nano-SIM (4FF)
GSM Mhz bandQuad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 (Bands 1, 3, 5, 7, 8, 20)
TD-LTE (Bands 38)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supported
Secondary 3G networkNot supported
Secondary 4G networkNot supported
Secondary data networkNot supported
Maximum download/upload300/50 Mbps
Messaging and callingLG K40 X420EM
MessagingSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupported
Video callingSupported
Call controlVoice dialing, Voice recorder
Primary camera / Back cameraLG K40 X420EM
Main camera16 megapixels
Main camera resolution4608x3456 pixels
Video recording (primary)Full HD (1920x1080 pixels) 30 fps
FlashLED flash on both cameras
Focal aperturef/2.0 (aperture)
Focal lengthfeature not registered
Sensor size1/3" inches
Pixel size1µm pixel
AutofocusPDAF: phase detection autofocus
Touch focusSupported
Image stabilizationEIS: Digital stabilization
ZoomOnly digital zoom
Face/smile detectionFace detection, Smile detection
BSI sensorNot supported
HDRHDR photo on both cameras
Front camera / Secondary cameraLG K40 X420EM
Front camera8 megapixels
Front camera resolution3264x2448 pixels
Video recording (secondary)Full HD (1920x1080 pixels)
Front flashLED
Focal aperturef/2.0 (aperture)
Focal lengthfeature not registered
Sensor sizefeature not registered
Pixel sizefeature not registered
MultimediaLG K40 X420EM
RadioNot supported
TVNot supported
Video formatsMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLAC
Connectivity and interfacesLG K40 X420EM
USBMicroUSB 2.0, USB OTG On-The-Go
TV outputNot supported
Audio output3.5mm jack
Bluetooth5.0 version A2DP/LE
WiFi802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz)
DLNASupported
NFCSupported
GPSA-GPS, GeoTagging
Infrared portNot supported
Other functionsLG K40 X420EM
Active noise cancellationSupported
Vibrating alertSupported
RingtonesPolyphonic and customized
Web browserHTML, XHTML, HTML5
Java / Flash playerNot supported
SensorsAccelerometer
Proximity
Ambient Light
Fingerprint (rear-mounted)
Other features- Colors: Black, Moroccan Blue, Platinum Gray
- 18:9 ratio FullVision display
- LED notification
- DTS-X Surround sound
- WiFi direct, hotspot
Power supply and autonomyLG K40 X420EM
Battery technologyLi-Ion (Non removable)
Battery capacity3000 mAh
Battery model / charger (watts)feature not registered
Talk time480 minutes | 8 hours | 0.3 day
Standby6000 minutes | 100 hours | 4.2 days
Specific absorption rate (radiation)LG K40 X420EM
SAR USA, Mexico, Colombiafeature not registered
SAR European Union, UKfeature not registered