A1 Dual SIM 3G by AllCall – Specifications

Introducing the AllCall A1 Dual SIM 3G, released in 2017 Jun. Designed by Shenzhen AllCall Technology Co.,Ltd and manufactured by Shenzhen AllCall Technology Co.,Ltd, this Smartphone is ideal for those who value .

The device features a Color IPS TFT LCD display with a size of and a resolution of providing a pixel density of 245 PPI PPI. It operates on ensuring smooth performance with its clocked at 1200 MHz.

Noteworthy attributes include:

  • Storage and Memory: 512 MiB RAM, supported by a 3814 MiB non-volatile internal storage.
  • Camera Capabilities: 1600x1200 pixel main sensor, capable of recording videos at .
  • Connectivity and Extras: with support for bands and advanced connectivity through and .
  • Power: Equipped with a battery, offering a capacity of 1500 mAh battery.

Available in regions including at a price of .

More on A1 Dual SIM 3G

Full Specifications of A1 Dual SIM 3G

BrandAllCall
ModelA1 Dual SIM 3G
Released2017 Jun
Announced2017 May
Hardware Designer Shenzhen AllCall Technology Co.
Ltd
Manufacturer Shenzhen AllCall Technology Co.
Ltd
General ExtrasHaptic touch feedback
Device CategorySmartphone
List of Additional Features Aluminum Alloy Metal Body
2.5D Curved Glass
Width 65 mm
2.56 inch
Height 135 mm
5.31 inch
Depth 10 mm
0.39 inches
Bounding Volume87.8 ccm
Mass 140 g
4.94 ounces
PlatformGoogle Android
Operating SystemGoogle Android 6.0 (Marshmallow)
CPU Clock1200 MHz
CPU Spreadtrum SC7731C
2,014
32 bit
quad-core
32 Kbyte I-Cache
32 Kbyte D-Cache
512 Kbyte L2
28 nm
ARM Mali-400 GPU
RAM Typemobile (LP) DDR3 SDRAM
RAM Capacity512 MiB RAM
Non-volatile Memory TypeFlash EEPROM
Non-volatile Memory InterfaceYes
Non-volatile Memory Capacity3814 MiB non-volatile
Display Diagonal 114.3 mm
4.5 inch
Resolution 540x960
518400 pixels
Display Width 56.04 mm
2.21 inch
Display Height 99.62 mm
3.92 inch
Horizontal Full Bezel Width8.96 mm
Display Area5582.5 square millimeter
Display Area Utilization63.6%
Pixel Size0.10377 mm/pixel
Pixel Density245 PPI
Display TypeColor IPS TFT LCD display
Display SubtypeYes
Display Color Depth24 bit/pixel
Number of Display Scales16.8M
Display IlluminationLED
Display Light Reflection ModeYes
Display Subpixel SchemeRGB Matrix (3 subpixels)
Scratch Resistant ScreenYes
Graphical ControllerARM Mali-400MP2
GPU Clock:500 MHz
A/V OutNo
Audio Channel(s)stereo
Microphone(s)mono
Loudspeaker(s):mono
Audio Output:3.5mm
Supported Cellular Bands GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 2100MHz (Band I, IMT)
UMTS 900MHz (Band VIII) bands
Supported Cellular Data Links GPRS (Class unspecified)
EDGE (Class unspecified)
UMTS 384 kbps (W-CDMA)
HSUPA (Cat. unspecified)
HSDPA (Cat. unspecified)
HSPA+ 21.1 Mbps (Cat. 18) data links
SIM Card SlotNano-SIM (4FF)
Cellular AntennaInternal antenna
Call Alert Sound64-chord melody
Complementary Phone Services Voice transmission
Voice speaker
Vibrating Alert
Speakerphone
Cellular ControllerSpreadtrum SC7731C
Dual Cellular Network OperationDual standby
Sec. Supported Cellular Networks: GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
Sec. Supported Cellular Data Links: GPRS (Class unspecified)
EDGE (Class unspecified)
Sec. SIM Card Slot Nano-SIM (4FF)
Internal antenna
Sec. Phone Controller IC:Spreadtrum SC7731C
Touchscreen TypeCapacitive multi-touch sensing screen
Touchscreen Simultaneous Touch PointsYes
Expansion Interfaces TransFlash
microSD
microSDHC
USB USB 2.0
USB Hi-Speed (480 Mbps)
USB Services USB charging
USB Host
USB On-The-Go 1.0
USB On-The-Go 1.3
USB Power Delivery
USB ConnectorUSB Series Micro-B (Micro-USB)
Bluetooth Bluetooth 4.0
Internal antenna
Bluetooth profiles A2DP
AVRCP
Wireless LAN IEEE 802.11a
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
Internal antenna
Wireless ServicesWi-Fi Tethering
FM Radio Receiver FM radio (88-108 MHz)
Proprietary headset as antenna
Supported GPS protocol(s)GPS (NMEA 0183)
Satellite Antenna:Internal antenna
Complementary Satellite Services Assisted GPS
Geotagging
QuickGPS
Navigation ControllerSpreadtrum SC7731C
Camera PlacementRear
Camera Image SensorCMOS
Camera Resolution1600x1200 pixel
Number of effective pixels1.9 MP camera
Zoom1.0 x optical zoom
FocusContrast Detection Autofocus (CD AF)
Recordable Image Formats JPG
30 fps
Recordable Video Formats 3GP
3G2
MPEG4
Flashsingle LED
Camera Extra Functions HDR photo
Touch focus
Panorama Photo
Face detection
Aux. Camera Image SensorNo
Aux. 2 Camera Image SensorNo
Aux. 3 Camera Image SensorNo
Aux. 4 Camera Image SensorNo
Aux. 4 Camera FocusNo
Secondary Camera PlacementFront
Secondary Camera SensorCMOS
Secondary Camera Resolution1600x1200 pixel
Secondary Camera Number of pixels1.9 MP sec. cam
Secondary Recordable Image Formats JPG
30 fps
Secondary Recordable Video Formats3GP
Secondary Camera Extra Functions Face detection
Face retouch
Sec. Aux. Cam. Image SensorNo
Sec. Aux. 2 Cam. Image SensorNo
Built-in accelerometerYes
Additional sensors Light intensity sensor
Proximity sensor
Protection from solid materialsYes
Protection from liquidsYes
Battery Lithium-ion polymer (LiPo)
built-in
1-cell
Nominal Cell Capacity (1st cell)1500 mAh cell
Nominal Battery Capacity1500 mAh battery
Standby Time130 hours
Standby Current12 mA
Talk Time:8.0 hours
Current During Talk188 mA
Market Countries China
HK
Russia
Romania
Spain
Market Regions Asia
Europe
Southeast Asia

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