Display
Size:
5.7 inches
6.5 inches
Resolution:
1520 x 720 pixels, 19:9 ratio, 295 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
Technology:
IPS LCD
Super AMOLED
Refresh rate:
120Hz
Screen-to-body:
77.13 %
85.79 %
Features:
Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass, Ambient light sensor, Proximity sensor
Hardware
System chip:
MediaTek Helio P22 MT6762 (12 nm)
Qualcomm Snapdragon 865 SM8250 (7 nm)
Processor:
Octa-core, 2000 MHz, Arm Cortex-A53, 64-bit
Octa-core, 1x 2.84GHz Kryo 585 + 3x 2.42GHz Kryo 585 + 4x 1.80GHz Kryo 585, 64-bit
GPU:
IMG PowerVR GE8320
Adreno 650
RAM:
2GB
6GB LPDDR5
Internal storage:
32GB, available to use: 17 GB
128GB (UFS 3.1), available to use: 103.4 GB
Storage expansion:
microSDXC up to 32 GB
microSDXC up to 1000 GB
Device type:
Smartphone
Smartphone
OS:
Android (10)
Android (11, 10), Samsung One UI
Battery
Capacity:
3000 mAh
4500 mAh
Type:
Not user replaceable
Li - Ion, Not user replaceable
Charging:
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi wireless charging, Reverse wireless charging
Max charge speed:
Wired: 25.0W; Wireless: 15.0W
Camera
Rear:
Dual camera
Triple camera
Main camera:
13 MP (PDAF)
12 MP (OIS, PDAF)
Specifications:
Aperture size: F1.8; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm
Second camera:
5 MP (Ultra-wide)
8 MP (Telephoto, OIS, PDAF)
Specifications:
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 76 mm; Sensor size: 1/4.4"; Pixel size: 1 μm
Third camera:
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/3"; Pixel size: 1.12 μm
Flash:
LED
LED
Video recording:
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
EIS
Front:
5 MP
32 MP (EIS, HDR)
Video capture:
1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)
Design
Dimensions:
5.82 x 2.8 x 0.34 inches (147.8 x 71.1 x 8.6 mm)
6.29 x 2.93 x 0.33 inches (159.8 x 74.5 x 8.4 mm)
Weight:
5.15 oz (146.0 g)
6.70 oz (190.0 g)
Materials:
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Aluminum
Resistance:
Yes; MIL-STD-810 certified
Water, Dust; IP68
Biometrics:
Fingerprint (touch)
In-screen fingerprint
Keys:
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Silver
Cloud red, Cloud orange, Cloud lavender, Cloud mint, Cloud navy, Cloud white
Cellular
5G:
SA, NSA, Sub-6, mmWave
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 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD):
Bands 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46
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 Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Multimedia
Headphones:
3.5mm jack
No 3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Multiple speakers
Features:
32-Bit DAC, Dolby Atmos, Dolby Digital, Dolby Digital Plus
Screen mirroring:
Wireless screen share
Wireless screen share
Radio:
FM
FM
Additional microphone(s):
for Noise cancellation
for Noise cancellation, Video recording
Connectivity & Features
Bluetooth:
5.0
5.0
Wi-Fi:
802.11 b, g, n; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
USB:
microUSB, USB 2.0
Type-C (reversible), USB 3.2
Features:
Charging
Charging, Headphones port, OTG, Video out
Location:
GPS, A-GPS, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Other:
UMA (Wi-Fi Calling)
NFC
Hearing aid compatible:
M3, T3
M4, T3
Regulatory Approval
FCC approval:
Date approved:
Sep 14, 2020
Sep 17, 2020
FCC ID value:
ZNFK300AM
A3LSMG781U
Measured SAR:
Head:
0.47 W/kg
0.32 W/kg
Body:
0.91 W/kg
0.82 W/kg
Simultaneous Transmission:
1.26 W/kg
1.60 W/kg
Wireless Router:
1.02 W/kg
1.01 W/kg
Phablet:
3.43 W/kg
Buyers information
Price:
$ 150
$ 699
User Manual:
This is the official LG K31 User Guide in English provided from the manufacturer.
This is the official Samsung Galaxy S20 FE User Guide in English provided from the manufacturer.
In The Box:
Travel Adapter, USB Cable
Availability
Officially announced:
Sep 23, 2020