LG LMX420AS K Series K40 2019 LTE-A US X420AS poster

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LG LMX420AS K Series K40 2019 LTE-A US X420AS Full Device Specifications

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Released Date: 2019 Jul

Display Dimension: 720x1440 pixels

RAM Size: 2048 MiB RAM

Processor (CPU): MediaTek Helio P22 MT6762

Battery Capacity: 3000 mAh battery

Device Camera: 13.0 MP camera

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4.5/5

Total average ratings from 2 different users

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Introduction

Brand

Model

LMX420AS K Series K40 2019 LTE-A US X420AS

Brief

At&t variant with Helio P22 CPU, fingerprint sensor and durable housing

Released

2019 Jul

Hardware Designer

LG Electronics

Manufacturer

LG Electronics

Codename

LG X420B

OEM ID

LMX420AS.AAG3PLY

General Extras

Haptic touch feedback

Device Category

Smartphone

List of Additional Features

LG UX 7.0, Knock Code, DTS:X surround sound

Physical Attributes

Width

71.88 mm, 2.83 inch

Height

152.9 mm, 6.02 inch

Depth

8.1 mm, 0.32 inches

Bounding Volume

89 ccm

Mass

145 g, 5.11 ounces

Software Environment

Platform

Google Android

Operating System

Google Android 8.1 (Oreo)

Software Extras

Voice Command , Navigation software , Virtual Reality (VR) support , Intelligent personal assistant , Face Recognition

Application processor, Chipset

CPU Clock

2000 MHz

CPU

MediaTek Helio P22 MT6762, 2018, 64 bit, octa-core, 12 nm, IMG PowerVR GE8320 GPU

Operative Memory

RAM Type

mobile (LP) DDR3 SDRAM

RAM Capacity

2048 MiB RAM

Non-volatile Memory

Non-volatile Memory Type

Flash EEPROM

Non-volatile Memory Interface

eMMC 5.1

Non-volatile Memory Capacity

30518 MiB non-volatile, 15500 MiB free user storage

Display

Display Diagonal

144 mm, 5.7 inch

Resolution

720x1440, 1036800 pixels

Display Width

64.4 mm, 2.54 inch

Display Height

128.8 mm, 5.07 inch

Horizontal Full Bezel Width

7.48 mm

Display Area

8294.4 square millimeter

Display Area Utilization

75.5%

Pixel Size

0.08944 mm/pixel

Pixel Density

284 PPI

Display Type

Color IPS TFT LCD display

Display Color Depth

24 bit/pixel

Number of Display Scales

16.8M

Display Dynamic Range Depth

8 bit/pixel

Display Illumination

LED

Display Light Reflection Mode

Yes

Display Subpixel Scheme

RGB Matrix (3 subpixels)

Scratch Resistant Screen

Arc Glass

Graphical Subsystem

Graphical Controller

PowerVR GE8320

GPU Clock

650 MHz

Audio/Video Interfaces

A/V Out

Audio Subsystem

Audio Channel(s)

Sound Recording

Microphone(s)

stereo

Sound Playing

Loudspeaker(s)

mono

Loudspeaker Power

1 W

Audio Output

3.5mm

Cellular Phone

Supported Cellular Bands

GSM 850MHz (B5) , GSM 900MHz (B8) , GSM 1800MHz (B3) , GSM 1900MHz (PCS, B2) , UMTS 1900MHz (Band II, PCS) , UMTS 1700/2100MHz (Band IV, AWS) , UMTS 850MHz (Band V, CLR) , LTE 1900 MHz (Band 2, PCS) , LTE 1700/2100 MHz (Band 4, AWS) , LTE 850 MHz (Band 5) , LTE 700 MHz (Band 12) , LTE 700 MHz (Band XIV) , LTE 700 MHz (Band 29) , LTE 2300 MHz (Band 30) , LTE 1700/2100 MHz (Band 66) bands

Supported Cellular Data Links

GPRS (Class unspecified) , GPRS Class 12 , GPRS Multi-slot Class 33 , EDGE (Class unspecified) , EDGE Multi-slot Class 12 , UMTS 384 kbps (W-CDMA) , HSUPA (Cat. unspecified) , HSUPA 5.76 Mbps (Cat. 6) , HSDPA (Cat. unspecified) , HSPA+ 21.1 Mbps (Cat. 18) , DC-HSDPA 42.2 Mbps (Cat. 24) , LTE (Cat. unspecified) , LTE 100 Mbps / 50 Mbps (Cat. 3) , LTE 150 Mbps / 50 Mbps (Cat. 4) , LTE 300 Mbps / 50 Mbps (Cat. 6) , LTE 300 Mbps / 75 Mbps (Cat. 5) data links

SIM Card Slot

Nano-SIM (4FF)

Cellular Antenna

Internal antenna

Call Alert Sound

128-chord melody

Hearing Aid Compatibility (HAC)

M4 , T3

Complementary Phone Services

Voice transmission , Voice speaker , Vibrating Alert , Speakerphone , ANC , HD Voice , Voice over LTE (VoLTE)

Cellular Controller

MediaTek MT6762

Secondary Cellular Phone

Sec. Supported Cellular Networks

Control Peripherals

Touchscreen Type

Capacitive multi-touch sensing screen

Touchscreen Simultaneous Touch Points

Yes

Communication Interfaces

Expansion Interfaces

TransFlash , microSD , microSDHC , microSD Extended Capacity

USB

USB 2.0, USB SuperSpeed (5 Gbps)

USB Services

USB charging , USB fast charging , USB Host , USB On-The-Go 1.3 , USB Power Delivery

USB Connector

USB Series Micro-AB

Bluetooth

Bluetooth 5.0, Internal antenna

Bluetooth profiles

A2DP , A2DP with aptX codec , AVRCP , DIP , GAVDP , GOEP , HFP , HID , HSP , MAP , OPP , PAN , PBA , SPP

Wireless LAN

IEEE 802.11b , IEEE 802.11i , IEEE 802.11g , IEEE 802.11n , IEEE 802.11r , IEEE 802.11ac, Internal antenna

Wireless Services

DLNA , Miracast , Wi-Fi Direct , Wi-Fi Tethering , Wi-Fi Calling (VoWiFi)

Multimedia Broadcast

FM Radio Receiver

Satellite Navigation

Supported GPS protocol(s)

GPS (NMEA 0183)

GPS Antenna

Internal antenna

Complementary GPS Services

Simultaneous GPS (S-GPS) , Assisted GPS , Geotagging , QuickGPS

Supported GLONASS protocol(s)

L1OF

Navigation Controller

MediaTek MT6762

Primary Camera System

Camera Placement

Rear

Camera Image Sensor

BSI CMOS

Image Sensor Pixel Size

1.12 micrometer

Camera Resolution

4160x3120 pixel

Number of effective pixels

13.0 MP camera

Aperture (W)

f/2.00

Zoom

1.0 x optical zoom, 4.0 x digital zoom

Focus

Phase-Detection Autofocus (PD AF)

Recordable Image Formats

JPG , RAW

Video Recording

1920x1080 pixel, 30 fps

Recordable Video Formats

MPEG4

Flash

single LED

Camera Extra Functions

HDR photo , HDR video , Red-eye effect reduction , Slow motion video , Burst mode , Touch focus , Macro mode , Panorama Photo , Face detection , Face tagging , Smile detection , Face retouch

Auxiliary Camera

Aux. Camera Image Sensor

Auxiliary Camera No. 2

Aux. 2 Camera Image Sensor

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor

Auxiliary Camera No. 4

Aux. 4 Camera Image Sensor

Aux. 4 Camera Focus

Secondary Camera System

Secondary Camera Placement

Front

Secondary Camera Sensor

CMOS

Secondary Camera Resolution

2560x1920 pixel

Secondary Camera Number of pixels

4.9 MP sec. cam

Secondary Recordable Image Formats

JPG

Secondary Video Recording

1920x1080 pixel, 30 fps

Secondary Recordable Video Formats

MPEG4

Sec. Built-in Flash

single LED

Secondary Camera Extra Functions

HDR photo , Touch focus , Panorama Photo , Face detection , Face tagging , Smile detection , Face retouch

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor

Built-in Sensors

Built-in accelerometer

3D (3-axis) accelerometer

Built-in gyroscope

Yes

Additional sensors

Fingerprint sensor , Light intensity sensor , Proximity sensor

Ingress Protection

Protection from solid materials

Yes

Protection from liquids

Yes

Power Supply

Battery

Lithium-ion polymer (LiPo), built-in, 1-cell

Nominal Cell Voltage (1st cell)

3.87 Volts

Nominal Cell Capacity (1st cell)

3000 mAh cell

Nominal Battery Voltage

3.87 Volts

Nominal Battery Capacity

3000 mAh battery

Nominal Battery Energy

11.61 Wh

Standby Time

428 hours

Average Standby Current

7 mA

Talk Time

11.0 hours

Average Current Talking

273 mA

Geographical Attributes

Market Countries

USA

Market Regions

North America (NA)

Mobile Operator

AT&T Mobility

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