Display
Size:
5.5 inches
6.6 inches
Resolution:
1280 x 720 pixels, 16:9 ratio, 267 PPI
1600 x 720 pixels, 20:9 ratio, 266 PPI
Technology:
TFT
Super AMOLED
Screen-to-body:
71.45 %
84.26 %
Colors:
16 777 216
Features:
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
Hardware
System chip:
Samsung Exynos 7 Octa 7884
Qualcomm Snapdragon 750G SM7225
Processor:
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, Kryo 570, 64-bit, 8 nm
GPU:
Mali-T830 MP1
Adreno 619
RAM:
2GB LPDDR3
4GB LPDDR4
Internal storage:
32GB
128GB, available to use: 106 GB
Storage expansion:
microSDXC up to 400 GB
microSDXC up to 1000 GB
Device type:
Smartphone
Smartphone
OS:
Android (8.0 Oreo)
Android (11, 10), Samsung One UI
Battery
Capacity:
3300 mAh
5000 mAh
Type:
Not user replaceable
Not user replaceable
Charging:
Samsung Adaptive Fast Charging
Max charge speed:
Wired: 15.0W
Camera
Rear:
Single camera
Quad camera
Main camera:
13 MP (Autofocus)
48 MP (PDAF)
Specifications:
Aperture size: F1.7
Aperture size: F1.8; Pixel size: 0.8 μm
Second camera:
8 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Third camera:
5 MP (Macro)
Specifications:
Aperture size: F2.4
Fourth camera:
5 MP (Depth information)
Specifications:
Aperture size: F2.4
Video recording:
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1280x720 (HD) (480 fps)
Features:
Video calling, Video sharing
Front:
13 MP
20 MP (Autofocus)
Design
Dimensions:
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.47 x 2.99 x 0.34 inches (164.4 x 75.9 x 8.6 mm)
Weight:
6.38 oz (181.0 g)
6.81 oz (193.0 g)
Biometrics:
2D Face unlock
In-screen fingerprint
Features:
Touch sensitive control keys
Keys:
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Colors:
Black
Prism Dot black, Prism Dot white, Prism Dot grey
Cellular
5G:
n1, n3, n5, n7, n8, n28, Sub-6
LTE (FDD):
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT)
LTE (TDD):
Bands 38(2600), 40(2300), 41(2600+)
UMTS:
Bands 5(850), 8(900), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed:
LTE-A Cat 6 (300/50 Mbit/s), UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM:
Shared with microSD
SIM type:
Nano SIM
Nano SIM
HD Voice:
Yes
Multimedia
Headphones:
3.5mm jack
3.5mm jack
Speakers:
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features:
Album art cover, Background playback
Screen mirroring:
Wireless screen share
Wireless screen share
Connectivity & Features
Bluetooth:
4.2
5.0
Wi-Fi:
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
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:
Mass storage device, Charging
Charging
Location:
GPS, A-GPS, Glonass
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors:
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other:
ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
NFC
Hearing aid compatible:
M3, T3
Phone features
Notifications:
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features:
Voice dialing, Voice commands, Voice recording, TTY/TDD
Regulatory Approval
FCC approval:
Date approved:
May 07, 2018
Apr 08, 2021
FCC ID value:
A3LSMJ737V
A3LSMA426U
Measured SAR:
Head:
0.91 W/kg
1.11 W/kg
Body:
0.81 W/kg
1.25 W/kg
Simultaneous Transmission:
1.59 W/kg
1.59 W/kg
Wireless Router:
1.01 W/kg
1.06 W/kg
Phablet:
3.98 W/kg
3.81 W/kg
Buyers information
Price:
$ 240
€ 340
User Manual:
This is the official Samsung Galaxy A42 User Guide in English provided from the manufacturer.
Availability
Officially announced:
Jun 07, 2018
Sep 02, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless