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 |
| Cameras |
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 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 |
| 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: 5 (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 » |
Recommended memory cards for this phone from Amazon:
