Display
Size:
5.7 inches
6.4 inches
Resolution:
1520 x 720 pixels, 19:9 ratio, 295 PPI
1560 x 720 pixels, 19.5:9 ratio, 268 PPI
Technology:
IPS LCD
IPS LCD
Refresh rate:
60Hz
Screen-to-body:
77.13 %
80.92 %
Features:
Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip:
MediaTek Helio P22 MT6762 (12 nm)
Qualcomm Snapdragon 450 SDM450 (14 nm)
Processor:
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit
Octa-core, 8x 1.8GHz Cortex-A53, 64-bit
GPU:
IMG PowerVR GE8320
Adreno 506
RAM:
2GB
2GB LPDDR3
Internal storage:
32GB, available to use: 17 GB
32GB, available to use: 20.3 GB
Storage expansion:
microSDXC up to 32 GB
microSDXC up to 512 GB
Device type:
Smartphone
Smartphone
OS:
Android (10)
Android (11, 10)
Battery
Capacity:
3000 mAh
4000 mAh
Type:
Not user replaceable
Not user replaceable
Charging:
Fast charging
Max charge speed:
Wired: 15.0W
Camera
Rear:
Dual camera
Triple camera
Main camera:
13 MP (PDAF)
13 MP (Autofocus)
Specifications:
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 27 mm
Second camera:
5 MP (Ultra-wide)
5 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2
Third camera:
2 MP (Depth information)
Specifications:
Aperture size: F2.4
Flash:
LED
LED
Video recording:
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
Front:
5 MP
8 MP
Video capture:
1920x1080 (Full HD)
1920x1080 (Full HD)
Design
Dimensions:
5.82 x 2.8 x 0.34 inches (147.8 x 71.1 x 8.6 mm)
6.42 x 3.00 x 0.31 inches (163.1 x 76.3 x 8.0 mm)
Weight:
5.15 oz (146.0 g)
6.24 oz (177.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic
Resistance:
Yes; MIL-STD-810 certified
Biometrics:
Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Keys:
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Silver
White, Red, Black, Blue
Cellular
4G (FDD):
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
4G (TDD):
Bands 41(2600+)
3G:
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed:
LTE-A Cat 7 (300/100 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
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
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
Additional microphone(s):
for Noise cancellation
Connectivity & Features
Bluetooth:
5.0
4.2
Wi-Fi:
802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
USB:
microUSB, USB 2.0
Type-C (reversible), USB 2.0
Features:
Charging
Charging
Location:
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer
Accelerometer
Other:
UMA (Wi-Fi Calling)
UMA (Wi-Fi Calling)
Hearing aid compatible:
M3, T3
M4, T3
Regulatory Approval
FCC approval:
Date approved:
Sep 14, 2020
May 07, 2020
FCC ID value:
ZNFK300AM
ZCASMA115U
Measured SAR:
Head:
0.47 W/kg
1.08 W/kg
Body:
0.91 W/kg
0.76 W/kg
Simultaneous Transmission:
1.26 W/kg
1.45 W/kg
Wireless Router:
1.02 W/kg
0.76 W/kg
Buyers information
Price:
$ 150
$ 180
User Manual:
This is the official LG K31 User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy A11 User Guide in English provided from the manufacturer.
In The Box:
Travel Adapter, USB Cable
Availability
Officially announced:
Mar 13, 2020