Display
Size:
4.5 inches
6.1 inches
Resolution:
1620 x 1080 pixels, 3:2 ratio, 433 PPI
1560 x 720 pixels, 19.5:9 ratio, 282 PPI
Technology:
IPS LCD
LCD
Screen-to-body:
55.41 %
78.84 %
Features:
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip:
Qualcomm Snapdragon 660 SDM660 (14 nm)
MediaTek Helio P22 MT6762 (12 nm)
Processor:
Octa-core, 2200 MHz, Kryo 260, 64-bit
Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit
GPU:
Adreno 512
PowerVR GE8320
RAM:
6GB LPDDR4
3GB
Internal storage:
128GB
32GB, available to use: 18 GB
Storage expansion:
microSDXC up to 256 GB
microSDXC up to 2000 GB
Device type:
Smartphone
Smartphone
OS:
Android (8.1 Oreo)
Android (10)
Battery
Capacity:
3500 mAh
3500 mAh
Type:
Li - Ion, Not user replaceable
Not user replaceable
Charging:
Qualcomm Quick Charge 3.0, USB Power Delivery
Camera
Rear:
Dual camera
Dual camera
Main camera:
12 MP (PDAF, CMOS image sensor)
13 MP (PDAF)
Specifications:
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/2.8"; Pixel size: 1.28 μm
Second camera:
12 MP (PDAF, CMOS image sensor)
5 MP (Ultra-wide)
Specifications:
Optical zoom: 2.0x; Aperture size: F2.6; Sensor size: 1/3.4"; Pixel size: 1 μm
Flash:
Dual LED
LED
Video recording:
3840x2160 (4K UHD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features:
HDR, Video calling, Video sharing
Picture-taking during video recording
Front:
8 MP
8 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
5.96 x 2.83 x 0.33 inches (151.4 x 71.8 x 8.5 mm)
6.15 x 2.92 x 0.34 inches (156.2 x 74.2 x 8.6 mm)
Weight:
5.34 oz (151.4 g)
6.10 oz (173.0 g)
Materials:
Frame: Aluminum
Back: Plastic
Biometrics:
Fingerprint (touch)
Fingerprint (touch)
Features:
Notification light, Full keyboard, Touch sensitive control keys
Notification light
Keys:
Right: Volume control, Lock/Unlock key, Other
Left: Volume control, Other; Right: Lock/Unlock key
Colors:
Black, Gray, Red
Titan Gray
Cellular
Carrier locked:
Yes
4G (FDD):
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 20(800 DD), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS), 29(700 d), 30(2300 WCS), 66(AWS-3)
4G (TDD):
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G:
Bands 6(800), 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 2(1900), 4(1700/2100), 5(850)
Data Speed:
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, HSUPA, UMTS
LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA
SIM type:
Nano SIM
HD Voice:
Yes
VoLTE:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM, Stereo, RDS
Additional microphone(s):
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
5.0
Wi-Fi:
802.11 b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n; Wi-Fi Direct, Hotspot
USB:
Type-C (reversible), USB 3.0
Type-C (reversible)
Features:
Mass storage device, OTG, Video out, Charging
Charging
Location:
GPS, A-GPS, S-GPS, Glonass, Galileo, BeiDou
GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer
Other:
NFC, VoIP, Tethering, Computer sync, OTA sync
Hearing aid compatible:
M3, T3
Regulatory Approval
FCC approval:
Date approved:
Sep 01, 2020
FCC ID value:
ZNFK400AM
Measured SAR:
Head:
0.37 W/kg
Body:
0.94 W/kg
Simultaneous Transmission:
1.41 W/kg
Wireless Router:
1.10 W/kg
Phablet:
3.19 W/kg
Buyers information
Price:
$ 140
User Manual:
This is the official LG Harmony 4 User Guide in English provided from the manufacturer.
In The Box:
SIM removal tool, Charger, USB Cable, Headphones and Manuals
Availability
Officially announced:
Jun 07, 2018
Jun 29, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless