LG K40 All specs

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Full specifications phone: LG K40 specs, detailed technical information, features, price and review. All about this phone.

4/4/2019 9:22 PM, updated: 5/18/2020 2:48 PM

LG K40

The LG K40 (X420EMW) is a good Android phone with 2GHz Octa-core processor that allows run games and heavy applications.

An advantage of the LG K40 (X420EMW) is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots.

Great connectivity of this device includes Bluetooth 5.0 + A2DP/LE, WiFi 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO and NFC to make mobile payments or connection to other devices.

Including the battery, the LG K40 (X420EMW) phone has 145 grams and it's a very thin device, only 8.3mm.

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Summary

*depends on the model

⚙️ CPU: MediaTek Helio P22 (MT6762)

🤖 Android 8.1

📱 5.7"
TFT IPS LCD

🔳 RAM: 2GB
💽 ROM: 32GB

🔌 WIFI5, BT5.0, FM, NFC*

📷 (back) 16MP
🤳 (front) 8MP

🔋 3000mAh

📱 Model features
	LG K40
Change model
Model	K40 (X420EMW)
Other model names	LG K40 LMX420EMW NFC Dual-sim, LM-X420EMW, LG-LMX420EMW
Country or region available	(Global, International), (Europe)
Brand	LG
Release date	3/31/2019
Depth	8.3 millimeters (0.33 inches)
Size (width x height)	71.9 x 153 millimeters (2.83 x 6.02 in)
Weight	145 grams (5.08 ounces)
Build, materials	Plastic body, glass front
Protection against water and others	MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
📲 Display
	LG K40
Display type	TFT IPS LCD
Screen size	5.7" inches
Screen-to-body ratio	~76.2% (screen-to-body ratio)
Display resolution	720x1440 pixels
Touchscreen	Capacitive Multitouch
Pixel density (dot pitch)	282 PPI
Colors	16 million
Scratch-resistant glass	Not supported
Refresh rate	feature not registered
Display features	feature not registered
🤖 Operating System
	LG K40
System version	Android 8.1 Oreo
Firmware update	feature not registered
User Interface	feature not registered
⚙️ Processor
	LG K40
Chipset	64bit: MediaTek Helio P22 (MT6762) (12nm)
CPU	Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	PowerVR GE8320 (650MHz)
Performance (benchmark)	feature not registered
💽 Memory and storage
	LG K40
RAM memory	2GB LPDDR3
Internal storage	32GB (20GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG K40
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps
Network technology	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38)
Primary 5G network	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900
Secondary 3G network	Not supported
Secondary 4G network	Not supported
Secondary data network	GPRS, EDGE
📷 Camera
	LG K40
Back camera (main camera)	16 megapixels
Main camera resolution	4608x3456 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras
Focal aperture	f/2.0 (aperture)
Focal length	feature not registered
Sensor size	1/3" inches
Pixel size	1µm pixel
Autofocus	PDAF: phase detection autofocus
Touch focus	Supported
Image stabilization	EIS: Digital stabilization
Zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection
BSI sensor	Not supported
HDR	HDR photo on both cameras
Camera extras	feature not registered
📸 Front camera
	LG K40
Front camera (secondary)	8 megapixels
Front camera resolution	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)
Front flash	LED
Focal aperture	f/2.0 (aperture)
Focal length	feature not registered
Sensor size	feature not registered
Pixel size	feature not registered
🔉 Sound and multimedia
	LG K40
Loudspeaker	Supported
Active noise cancellation	2 microphones or more
Radio	Not supported
TV	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG K40
USB	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack
TV output	Not supported
Bluetooth	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported
GPS	A-GPS, GeoTagging
NFC	Supported
Infrared port	Not supported
🧭 Sensors
	LG K40
Sensors	Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported
🔋 Battery
	LG K40
Battery type	Li-Ion: lithium-ion (Non removable)
Battery capacity	3000 mAh
Charger, watts	Wired charging
Inductive / wireless charging	feature not registered
Talk time autonomy	8 hours
Standby	100 hours (4.2 days)
➕ Other features
	LG K40
Call control	Voice dialing, Voice recorder
Messaging	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported
Video calling	Supported
Ringtones	Polyphonic and customized
Web browser	HTML, XHTML, HTML5
Antenna	Internal antenna
Qwerty physical keyboard	Not supported
Miscellaneous	• Colors: Black, Moroccan Blue, Platinum Gray • 18:9 ratio FullVision display • LED notification • DTS-X Surround sound
☢️ Radiation rate
	LG K40
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered