Display
Size:
5.5 inches
6.1 inches
Resolution:
1440 x 720 pixels, 293 PPI
1560 x 720 pixels, 19.5:9 ratio, 282 PPI
Technology:
IPS LCD
LCD
Screen-to-body:
77.80 %
78.84 %
Colors:
16 777 216
Features:
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip:
MediaTek MT6739 (28 nm)
MediaTek Helio P22 MT6762 (12 nm)
Processor:
Quad-core, 1500 MHz, ARM Cortex-A53, 64-bit
Octa-core, 2000 MHz, ARM Cortex-A53, 64-bit
GPU:
PowerVR GE8100
PowerVR GE8320
RAM:
2GB LPDDR3
3GB
Internal storage:
32GB
32GB, available to use: 18 GB
Storage expansion:
microSDXC up to 128 GB
microSDXC up to 2000 GB
Device type:
Smartphone
Smartphone
OS:
Android (8.1 Oreo)
Android (10)
Battery
Capacity:
3000 mAh
3500 mAh
Type:
Not user replaceable
Camera
Rear:
Dual camera
Dual camera
Main camera:
13 MP (Autofocus)
13 MP (PDAF)
Specifications:
Aperture size: F2.0; Sensor size: 1/3"; Pixel size: 1.12 μm
Second camera:
2 MP
5 MP (Ultra-wide)
Specifications:
Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.65 μm
Flash:
LED
LED
Video recording:
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Features:
Time-lapse video, Picture-taking during video recording, EIS, Video calling, Video sharing
Picture-taking during video recording
Front:
5 MP
8 MP
Video capture:
1280x720 (HD) (30 fps)
1920x1080 (Full HD)
Design
Dimensions:
5.76 x 2.7 x 0.32 inches (146.3 x 68.6 x 8.1 mm)
6.15 x 2.92 x 0.34 inches (156.2 x 74.2 x 8.6 mm)
Weight:
4.76 oz (135.0 g)
6.10 oz (173.0 g)
Materials:
Back: Plastic
Back: Plastic
Biometrics:
2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
Features:
Notification light
Keys:
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key
Colors:
Black
Titan Gray
Cellular
Carrier locked:
Yes
4G (FDD):
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 14(700 PS), 29(700 d), 30(2300 WCS), 66(AWS-3)
3G:
Bands 5(850), 4(1700/2100), 2(1900)
Bands 2(1900), 4(1700/2100), 5(850)
Data Speed:
LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA
LTE-A Cat 6 (300/50 Mbit/s), HSPA, HSUPA
Dual SIM:
Shared with microSD
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
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
Connectivity & Features
Bluetooth:
4.2
5.0
Wi-Fi:
802.11 b, g, n; Hotspot, Wi-Fi Direct
802.11 a, b, g, n; Wi-Fi Direct, Hotspot
USB:
microUSB, USB 2.0
Type-C (reversible)
Features:
Mass storage device, Charging
Charging
Location:
GPS, A-GPS
GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer
Accelerometer
Other:
UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
Hearing aid compatible:
M3, T4
M3, T3
Phone features
Notifications:
Haptic feedback, Music ringtones, Vibration
Other features:
Voice dialing, Voice commands, Voice recording, TTY/TDD
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:
$ 120
$ 140
User Manual:
This is the official LG Harmony 4 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Jan 25, 2019
Jun 29, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless