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Umidigi A3 Dual Sim TD-LTE

Umidigi A3 Dual Sim TD-LTE

from UMI
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Overview & Features

Brand
UMI
Model
Umidigi A3 Dual Sim TD-LTE
Released
2018 Oct
Announced
2018 Sep
General Extras
Haptic touch feedback
Hardware Designer
Umidigi Technology Co.. Ltd.
List of Additional Features
Notification LED, 2.5D Glass Screen,

Technical Specifications

Display

Pixel Size
0.08677 mm/pixel
Resolution
720x1440
1036800 pixels
Display Area
7806.4 square millimeter
Display Type
Color IPS TFT LCD
display
Display Width
62.48 mm
Pixel Density
293 PPI
Display Height
124.95 mm
Display Diagonal
139.7 mm
Display Color Depth
24 bit/pixel
Display Illumination
Yes
Display Subpixel Scheme
RGB Matrix (3 subpixels)
Display Area Utilization
75.5%
Number of Display Scales
16.8M
Scratch Resistant Screen
Corning Gorilla Glass 4
Display Dynamic Range Depth
8 bit/pixel
Horizontal Full Bezel Width
7.72 mm
Display Light Reflection Mode
Yes

Power Supply

Battery
Lithium-ion polymer (LiPo)
built-in
1-cell
Nominal Battery Capacity
3300 mAh battery
Nominal Cell Capacity (1st cell)
3300 mAh cell

Sound Playing

Audio Output
3.5mm
Loudspeaker(s)
mono

Cellular Phone

SIM Card Slot
Micro-SIM (3FF)
Call Alert Sound
64-chord melody
Cellular Antenna
Internal antenna
Cellular Controller
MediaTek MT6739
Supported Cellular Bands
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 2100MHz (Band I, IMT)
UMTS 1900MHz (Band II, PCS)
UMTS 1700/2100MHz (Band IV, AWS)
UMTS 850MHz (Band V, CLR)
UMTS 900MHz (Band VIII)
LTE 2100 MHz (Band 1)
LTE 1900 MHz (Band 2, PCS)
LTE 1800 MHz (Band 3)
LTE 1700/2100 MHz (Band 4, AWS)
LTE 850 MHz (Band 5)
LTE 2600 MHz (Band 7)
LTE 900 MHz (Band 8)
LTE 700 MHz (Band 12)
LTE 700 MHz (Band 13)
LTE 700 MHz (Band 17)
LTE 800 MHz (Band 19)
LTE 800 MHz (Band 20)
TD-LTE 2600 MHz (Band 38)
TD-LTE 2300 MHz (Band XL)
TD-LTE 2500 MHz (Band XLI)
bands
Complementary Phone Services
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone
ANC
HD Voice
Voice over LTE (VoLTE)
Supported Cellular Data Links
GPRS (Class unspecified)
EDGE (Class unspecified)
UMTS 384 kbps (W-CDMA)
HSUPA (Cat. unspecified)
HSDPA (Cat. unspecified)
LTE (Cat. unspecified)
LTE 100 Mbps / 50 Mbps (Cat. 3)
LTE 150 Mbps / 50 Mbps (Cat. 4)
data links

Audio Subsystem

Audio Channel(s)
stereo

Sound Recording

Microphone(s)
Yes
Microphone Input
3.5mm

Auxiliary Camera

Aux. Camera Aperture (W)
f/2.00
Aux. Camera Image Sensor
CMOS
Aux. Cam. Image Sensor Format
1/2.80
Aux. Camera Number of Pixels
4.9 MP aux. cam
Aux. Cam. Image Sensor Pixel Size
1.25 micrometer

Built-in Sensors

Built-in compass
Yes
Additional sensors
Fingerprint sensor
Light intensity sensor
Proximity sensor
Built-in accelerometer
Yes

Operative Memory

RAM Type
mobile (LP) DDR3 SDRAM
667 MHz
RAM Capacity
2048 MiB RAM

Ingress Protection

Protection from liquids
Yes
Protection from solid materials
Yes

Control Peripherals

Touchscreen Type
Capacitive multi-touch sensing
screen
Touchscreen Simultaneous Touch Points
Yes

Graphical Subsystem

GPU Clock
570 MHz
Graphical Controller
IMG PowerVR GE8100

Non-volatile Memory

Non-volatile Memory Type
Flash EEPROM
Non-volatile Memory Capacity
15259 MiB
Non-volatile Memory Interface
eMMC 5.1

Physical Attributes

Mass
186 g
Depth
8.5 mm
Width
70.2 mm
Height
147.2 mm
Bounding Volume
87.8 ccm

Multimedia Broadcast

FM Radio Receiver
FM radio (88-108 MHz)
Proprietary headset as antenna

Satellite Navigation

GPS Antenna
Internal antenna
Navigation Controller
MediaTek MT6739
Supported GPS protocol(s)
GPS (NMEA 0183)
Complementary GPS Services
Simultaneous GPS (S-GPS)
Assisted GPS
Geotagging
QuickGPS

Software Environment

Platform
Google Android
Software Extras
Voice Command
Navigation software
Face Recognition
Operating System
Google Android 8.1 (Oreo)

Audio/Video Interfaces

A/V Out
No

Auxiliary Camera No. 2

Aux. 2 Camera Image Sensor
No

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor
No

Auxiliary Camera No. 4

Aux. 4 Camera Focus
No
Aux. 4 Camera Image Sensor
No

Primary Camera System

Zoom
1.0 x optical zoom
Flash
dual LED
Focus
Phase-Detection Autofocus (PD AF)
Aperture (W)
f/2.00
Camera Module
OmniVision OV12890
Video Recording
1920x1080 pixel
30 fps
Camera Placement
Rear
Camera Resolution
4096x3072 pixel
Camera Image Sensor
CMOS
Image Sensor Format
1/2.30
Camera Extra Functions
HDR photo
Red-eye effect reduction
Touch focus
Macro mode
Panorama Photo
Face detection
Face tagging
Face retouch
Image Sensor Pixel Size
1.55 micrometer
Recordable Image Formats
JPG
Recordable Video Formats
3GP , MPEG4
Number of effective pixels
12.6 MP camera

Geographical Attributes

Market Regions
Asia
Eastern Europe
Europe
Western Europe
Market Countries
China
France
Germany
Hungary
Italy
Poland
Romania
Russia
Spain
UK

Secondary Camera System

Secondary Aperture (W)
f/2.00
Secondary Camera Module
OmniVision OC8856
Secondary Camera Sensor
CMOS
Secondary Camera Placement
Front
Secondary Camera Resolution
3264x2448 pixel
Secondary Image Sensor Format
1/4.00
Secondary Camera Extra Functions
Burst mode
Face detection
Face tagging
Face retouch
Secondary Camera Number of pixels
8.0 MP sec. cam
Secondary Image Sensor Pixel Size
1.20 micrometer
Secondary Recordable Image Formats
JPG
30 fps
Secondary Recordable Video Formats
3GP , MPEG4

Communication Interfaces

USB
USB 2.0
USB Hi-Speed (480 Mbps)
Bluetooth
Bluetooth 4.0
Internal antenna
USB Services
USB charging
Wireless LAN
IEEE 802.11a
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
Internal antenna
USB Connector
USB Series Micro-B (Micro-USB)
Wireless Services
Wi-Fi Direct
Wi-Fi Tethering
WiDi
Bluetooth profiles
A2DP
AVRCP
HFP
HID
HSP
Expansion Interfaces
TransFlash
microSD
microSDHC
microSD Extended Capacity

Secondary Cellular Phone

Sec. SIM Card Slot
Micro-SIM (3FF)
Internal antenna
Sec. Phone Controller IC
MediaTek MT6739
Dual Cellular Network Operation
Dual standby
Sec. Supported Cellular Networks
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 2100MHz (Band I, IMT)
UMTS 1900MHz (Band II, PCS)
UMTS 1700/2100MHz (Band IV, AWS)
UMTS 850MHz (Band V, CLR)
UMTS 900MHz (Band VIII)
LTE 2100 MHz (Band 1)
LTE 1900 MHz (Band 2, PCS)
LTE 1800 MHz (Band 3)
LTE 1700/2100 MHz (Band 4, AWS)
LTE 850 MHz (Band 5)
LTE 2600 MHz (Band 7)
LTE 900 MHz (Band 8)
LTE 700 MHz (Band 12)
LTE 700 MHz (Band 13)
LTE 700 MHz (Band 17)
LTE 800 MHz (Band 19)
LTE 800 MHz (Band 20)
TD-LTE 2600 MHz (Band 38)
TD-LTE 2300 MHz (Band XL)
TD-LTE 2500 MHz (Band XLI)
Sec. Supported Cellular Data Links
GPRS (Class unspecified)
GPRS Class 10 , EDGE (Class unspecified)
UMTS 384 kbps (W-CDMA)
HSUPA (Cat. unspecified)
HSDPA (Cat. unspecified)
LTE (Cat. unspecified)
LTE 100 Mbps / 50 Mbps (Cat. 3)
LTE 150 Mbps / 50 Mbps (Cat. 4)

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor
No

Application processor, Chipset

CPU
MediaTek MT6739, 2017, 64 bit, quad-core, 32 Kbyte I-Cache, 32 Kbyte D-Cache, 28 nm, IMG PowerVR GE8100 GPU
CPU Clock
1500 MHz

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor
No

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