4G
IPS LCD
Smartphone
LG LMK400A Xpression Plus 3 2020 LTE-A US K400AKR (LG K400)
LG
About LG K400
The LG K400 is a straightforward Android smartphone designed for essential everyday use. It features a 6.1-inch IPS TFT LCD display with a 720 x 1560 resolution, delivering clear visuals in a compact and manageable form factor.
Running on Android 10 out of the box, the device is powered by 2GB of RAM, ensuring smooth operation for basic tasks. A 3500 mAh battery keeps it running through the day, while its single SIM slot caters to users who prefer simplicity. Weighing 173 grams and measuring 8.6 mm thick, the K400 balances portability with a solid, practical design.
Technical Specifications
Display
Size
6.1 inch
Type
Color IPS TFT LCD display
Resolution
720x1560
Color depth
24-bit, 8-bit HDR
Subpixel
RGB Matrix (3 subpixels)
Screen-to-body
78.8%
Active area
64.95 × 140.73 mm
Touch
Capacitive multi-touch sensing screen
Notch
Yes
Performance
Processor
Helio P22
CPU
Octa-core, up to 2 GHz
GPU
IMG PowerVR GE8320
Process
12 nm
Platform
Google Android
Memory
RAM
2 GiB
Battery
Capacity
3500 mAh
Type
Lithium-ion
Energy
13.48 Wh
Voltage
3.85 V
Cameras
Main
4160×3120 · 1× optical
visibility
Megapixels
13
Aperture
ƒ/2
Sensor
BSI CMOS
Focus
Phase-Detection Autofocus (PD AF)
Flash
single LED
Formats
JPG, RAW
Features
HDR photo, HDR video, Red-eye effect reduction, Slow motion video, Burst mode, Touch focus, Macro mode, Panorama Photo, Face detection, Face tagging, +2 more
Front
3264×2448
visibility
Megapixels
8
Sensor
CMOS
Pixel size
1.12 µm
Formats
JPG
Features
HDR photo, Burst mode, Face detection, Face tagging, Smile detection, Face retouch
Dimensions
Size
74.2 × 156.3 × 8.6 mm
Weight
173 g
MIL-STD
MIL-STD-810G
Connectivity
Wi-Fi
Wi-Fi 4
Wi-Fi services
DLNA, Miracast, Wi-Fi Direct, Wi-Fi Tethering, Wi-Fi Calling (VoWiFi)
Bluetooth profiles
A2DP, A2DP with aptX codec, AVRCP, DIP, GAVDP, GOEP, HFP, HID, HSP, MAP, OPP, PAN, PBA, SPP
USB
USB Series Micro-AB
USB services
USB charging, USB fast charging, USB Host, USB On-The-Go 1.3, USB Power Delivery
GPS
GPS, GLONASS
GPS services
Simultaneous GPS (S-GPS), Assisted GPS, Geotagging, QuickGPS
FM radio
Yes
LTE · 8 bandsUMTS · 3 bandsGSM · 4 bands
All LTE bands (8)
- LTE 1700/2100 MHz (Band 4, AWS)
- LTE 1700/2100 MHz (Band 66) bands
- LTE 1900 MHz (Band 2, PCS)
- LTE 2300 MHz (Band 30)
- LTE 700 MHz (Band 12)
- LTE 700 MHz (Band 29)
- LTE 700 MHz (Band XIV)
- LTE 850 MHz (Band 5)
All UMTS bands (3)
- UMTS 1700/2100MHz (Band IV, AWS)
- UMTS 1900MHz (Band II, PCS)
- UMTS 850MHz (Band V, CLR)
All GSM bands (4)
- GSM 1800MHz (B3)
- GSM 1900MHz (PCS, B2)
- GSM 850MHz (B5)
- GSM 900MHz (B8)
Audio
Channels
8
Output
3.5mm
Loudspeaker
1 W
Sensors
Sensors
Accelerometer, Compass, Fingerprint sensor, Light intensity sensor, Proximity sensor
Features
Fingerprint
Yes (fingerprint sensor)
SIM
Nano-SIM (4FF)
Markets
North America (NA) (USA)
Extras
Haptic touch feedback
Software extras
Voice Command, Navigation software, Intelligent personal assistant, Face Recognition
Regulatory
HAC
M3, T3
Data status
Final
Live Contract Deals
Placeholder
Deals integration coming soon