LG K40 / Harmony 3
This update to the K30 has a larger, taller display and a newer, faster processor. Other features of this affordable phone are similar, including a fingerprint reader, dual-band Wi-Fi, memory card slot, and 3.5mm audio jack.
Some versions have NFC.
Specs |
Compare side-by-side vs... |
Display |
5.7 in diagonal, 2:1 HD+ 720 x 1440 pixels 282 ppi approx. Type: LCD (TFT/TFD) |
Battery |
3,000 mAh Non-removable Talk: 12 hours max. Standby: 466 hours max. |
Processor |
1.8 GHz Qualcomm Snapdragon 450 octa-core / MediaTek Helio P22 in AT&T and Cricket versions 2 GB RAM |
Storage |
32 GB raw hardware 18 GB available to user Expandable via memory card 16 (raw) in some versions |
Camera |
13+ megapixel PDAF, LED flash Google Lens, AI Cam, HDR, voice trigger, burst shot Video: 1080p HD |
Front Camera |
5 megapixel LED flash |
Weight | 5.11 oz 145 g |
Dimensions | 6.02 x 2.83 x 0.32 in 153 x 72 x 8.1 mm |
OS / Platform | Android version 9.0 (Pie) (8.1 in some versions) |
Modes |
LTE 2 / 4 / 5 / 12 / 13 / 14 / 25 / 26 / 29 / 30 / 41 / 66 / 71
WCDMA 2 / 4 / 5 CDMA 800 / 850 / 1900 GSM 850 / 900 / 1800 / 1900
LTE 4G
band 2 / 1900 MHz band 4 / 1700 MHz band 5 / 850 MHz band 12 / 700 MHz band 13 / 750 MHz band 14 / 700 MHz band 25 / 1900 MHz band 26 / 850 MHz band 29 / 700 MHz band 30 / 2300 MHz band 41 / 2500 MHz band 66 / 1700 MHz band 71 / 600 MHz WCDMA 3G / 4G band 2 (II) / 1900 MHz band 4 (IV) / 1700 MHz band 5 (V) / 850 MHz CDMA 2G / 3G band 27 / BC10 / 800 MHz band 5 / BC0 / 850 MHz band 2 / BC1 / 1900 MHz GSM 2G band 5 / 850 MHz band 8 / 900 MHz band 3 / 1800 MHz band 2 / 1900 MHz |
Data Technology | LTE (Cat 6) |
SIM card size | Nano 4FF |
AD phone info continues below...
Features |
|
Barometer | - |
Fingerprint Reader | Type: stand-alone |
Flashlight | Yes |
Ruggedized | - |
VR-ready | - |
Water-Resistant | - |
Accessibility | |
Hearing Aid Compatible |
Rating: M3, T3 (mostly tele-coil compatible) some versions rated M4, T3 |
Multiple Languages | Yes |
TTY/TDD (Digital) | Yes |
Alerts | |
Extra Display | - |
Ringer Profiles | - |
Connectivity | |
Bluetooth |
Supported Profiles: HSP, HFP, OPP, PBA, A2DP, AVRC, HID 1.1, PAN, SAP, MAP, HDP version 5.0 |
Infrared (IR) | - |
MirrorLink | - |
NFC |
Some versions only only on AT&T (postpaid), T-Mobile, and Metro versions |
USB | Connector: Micro-USB |
UWB | - |
Wi-Fi | Version(s): 802.11 a,ac,b,g,n |
Customization | |
Changeable Body Plates | - |
Data & Network | |
Dual-SIM | - |
Input | |
Side Keys | volume, Google Assistant on left / lock on right |
Stylus | - |
Text Keyboard, Hardware | - |
Touch Screen | Type: Capacitive |
Memory | |
Memory Card Slot |
Card Type: microSD up to 2 TB |
Music | |
FM Radio | Yes |
Headphone Jack (3.5mm) | Yes |
Stereo Speakers | - |
Photo & Video | |
DLNA | Yes |
Miracast | - |
TV Output | - |
Power | |
Fast Charging | - |
Wireless Charging | - |
Voice | |
Call Screening | - |
HD Voice | Yes |
Push-To-Talk | - |
Speaker Phone | Yes |
More
FCC IDs |
ZNFX420QM » approved Apr 15, 2019 ZNFX420MM » approved May 28, 2019 ZNFX420AS » ZNFX420TM » |