UMIDIGI A3 - Technical characteristics and specifications

UMIDIGI A3 technical characteristics

About the device:

UMIDIGI A3 is a mobile/cell phone with dimensions of 70.2 mm (millimeters), 7.02 cm (centimeters), 0.23 ft (feet), 2.76 in (inches), and a screen resolution of 720 x 1440 pixels.

It has a processor ARM Cortex-A53, a 2 GB RAM memory and an internal memory of 16 GB (gigabytes) expandable by memory card microSD, microSDHC, microSDXC .

The UMIDIGI A3 comes from the factory with the Android 8.1 Oreo operating system.

Technical information

Property	Value
Brand	UMIDIGI
Model	A3

Connectivity
2G connectivity	GSM 850 MHz, GSM 900 MHz, GSM 1800 MHz, GSM 1900 MHz
3G connectivity	W-CDMA 850 MHz, W-CDMA 900 MHz, W-CDMA 1700 MHz, W-CDMA 1900 MHz, W-CDMA 2100 MHz
4G connectivity	LTE 700 MHz Class 17, LTE 800 MHz, LTE 850 MHz, LTE 900 MHz, LTE 1700/2100 MHz, LTE 1800 MHz, LTE 1900 MHz, LTE 2100 MHz, LTE 2600 MHz, LTE-TDD 2300 MHz (B40), LTE-TDD 2500 MHz (B41), LTE-TDD 2600 MHz (B38), LTE 700 MHz (B12), LTE 800 MHz (B19)
5G connectivity	No

Body
Dimensions	70.2 mm (millimeters), 7.02 cm (centimeters), 0.23 ft (feet), 2.76 in (inches)
Height	147.2 mm (millimeters), 14.72 cm (centimeters), 0.48 ft (feet), 5.8 in (inches)
Thickness	8.5 mm (millimeters), 0.85 cm (centimeters), 0.03 ft (feet), 0.33 in (inches)
Volume	87.83 cm
SIM	Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)
Number of SIMS	2
Colors	Gray, Gold
Body materials	Metal, Plastic
Certifications	IP68 (See other devices with IP68)

Screen
Type of screen	IPS
Screen resolution	720 x 1440 pixels
Display width	2.46 in (inches), 62.48 mm (millimeters), 6.25 cm (centimeters)
Display height	4.92 in (inches), 124.95 mm (millimeters), 12.5 cm (centimeters)
Aspect ratio	2:1, 2:1 (18:9)
Pixel density	293 ppi (pixels per inch), 115 ppcm (pixels per centimeter)
Color depth	24 bit, 16777216 colors
Display area	75.79 % (percent)
Crystal	2.5D curved glass screen

Platform
OS	Android 8.1 Oreo
CPU	ARM Cortex-A53
SoC	MediaTek MT6739
Technology	28 nm (nanometers)
Bits	64 bit
Instruction set	ARMv8-A
Cores	4
CPU Frequency	1500 MHz (megahertz)

Storage and memory
Memory card	microSD, microSDHC, microSDXC
Internal memory	16 GB (gigabytes)
RAM	2 GB (See other devices with 2 GB)
RAM type	LPDDR3
RAM channels	Single channel
RAM frequency	667 MHz (megahertz)

Cameras
Sensor model	OmniVision OV12870
Sensor type	PureCel
Sensor size	100 - 1600
Sensor Pixel size	f/2
Aperture	Dual LED
Resolution	1920 x 1080 pixels, 2.07 MP (megapixels)
Video Resolution	30 fps (frames per second)
FPS	Autofocus, Continuous shooting, Digital zoom, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Self-timer, Scene mode
Video features	Available also with Samsung Sony IMX386 Exmor RS (CMOS), Pixel size - 1.25 ?m, Phase detection, 6-element lens, Secondary rear camera - 5 MP
Aperture secondary camera	OmniVision OV8856
Resolution secondary camera	3.68 x 2.77 mm (millimeters), 0.18 in (inches)
Video resolution secondary camera	1.127
FPS video secondary camera	9.4
Audio connector	Yes

Communications
WLAN	802.11a (IEEE 802.11a-1999), 802.11b (IEEE 802.11b-1999), 802.11g (IEEE 802.11g-2003), 802.11n (IEEE
Bluetooth	4.0
GPS	GPS, A-GPS, GLONASS, BeiDou
Radio	Yes
USB	Micro USB
Sensors	Proximity, Light, Accelerometer, Compass, Gyroscope, Fingerprint