Updated : Mar 14, 2019, 7:12 AM

LG Harmony

Full Specifications

Released · Apr 14, 2017

5.3-inch · 1280x720px

This device is also known as LG M257, LG K20

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Design
Dimensions	5.9 x 3 x 0.3 inches 149.9 x 76.2 x 7.6 mm
Weight	5 oz / 142.0 g
Materials	Back: Plastic Frame: Metal
Keys	Left: Volume control; Back: Lock/Unlock key
Colors	Black

Display
Size	5.3-inch, 67.81% screen-to-body
Type	TFT
Resolution	1280x720px, 277 PPI

Hardware
System chip	Snapdragon 425 8917 (28 nm)
Processor	Quad-core 1400 MHz ARM Cortex-A53
GPU	Adreno 308
Memory	1.5GB (LPDDR3)/16GB
Storage expansion	microSDXC up to 2000 GB
OS	Android (8.1 Oreo, 7.0 Nougat)

Battery
Type	2800 mAh

Camera
Rear	Single camera
Main camera	8 MP (Autofocus)
Flash	LED
Video recording	1080p (30 fps) Picture-taking during video recording, Video calling, Video sharing
Front	5 MP

Connectivity & Features
Bluetooth	4.2
WLAN	b,g,n Hotspot, Wi-Fi Direct 802.11 b, g, n
USB	microUSB, USB 2.0
Sensors	Accelerometer, Ambient light sensor, Proximity sensor
Hearing aid compatible	M3/T3
Location	GPS, A-GPS
Other	Tethering, Computer sync, OTA sync

Multimedia
Headphones	3.5mm jack
Speakers	Earpiece, Loudspeaker
Features	Album art cover, Background playback
Screen mirroring	Wireless screen share
Radio	FM

Cellular
4G (FDD) Bands	2, 4, 5, 12
3G Bands	5, 4, 2
Data Speed	LTE Cat 4 (150/50 Mbit/s), HSPA
SIM type	Nano SIM
HD Voice	Yes

Phone Features
Notifications	Haptic feedback
Other features	Voice dialing, Voice commands, Voice recording, TTY/TDD

Regulatory Approval
FCC approval	Date approved: Mar 02, 2017 FCC ID value: ZNFL59BL
Measured SAR	Head: 0.58 W/kg Body: 0.99 W/kg Simultaneous Transmission: 1.54 W/kg Wireless Router: 0.99 W/kg

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