Assistant AS-5421 Surf - Technical characteristics and specifications

AS-5421 Surf technical characteristics

About the device:

Assistant AS-5421 Surf is a mobile/cell phone with dimensions of 73 mm (millimeters), 7.3 cm (centimeters), 0.24 ft (feet), 2.87 in (inches), and a screen resolution of 540 x 960 pixels.

It has a processor ARM Cortex-A7, a 1 GB RAM memory and an internal memory of 8 GB (gigabytes) expandable by memory card microSD, microSDHC .

The Assistant AS-5421 Surf comes from the factory with the Android 6.0 Marshmallow operating system.

Technical information

Property	Value
Brand	Assistant
Model	AS-5421 Surf

Connectivity
2G connectivity	GSM 850 MHz, GSM 900 MHz, GSM 1800 MHz, GSM 1900 MHz
3G connectivity	UMTS 900 MHz, UMTS 2100 MHz
4G connectivity	LTE 800 MHz, LTE 1800 MHz, LTE 2600 MHz
5G connectivity	No

Body
Dimensions	73 mm (millimeters), 7.3 cm (centimeters), 0.24 ft (feet), 2.87 in (inches)
Height	146 mm (millimeters), 14.6 cm (centimeters), 0.48 ft (feet), 5.75 in (inches)
Thickness	9.4 mm (millimeters), 0.94 cm (centimeters), 0.03 ft (feet), 0.37 in (inches)
SIM	Micro-SIM (3FF - third form factor, since 2003, 15.00 x 12.00 x 0.76 mm)
Number of SIMS	2
Colors	Plastic, Metal
Body materials	Plastic

Screen
Type of screen	IPS
Screen resolution	540 x 960 pixels
Display width	2.45 in (inches), 62.26 mm (millimeters), 6.23 cm (centimeters)
Display height	4.36 in (inches), 110.69 mm (millimeters), 11.07 cm (centimeters)
Aspect ratio	1.778:1, 16:9
Pixel density	220 ppi (pixels per inch), 86 ppcm (pixels per centimeter)
Color depth	24 bit, 16777216 colors
Display area	64.87 % (percent)
Crystal	2.5D curved glass screen

Platform
OS	Android 6.0 Marshmallow
CPU	ARM Cortex-A7
SoC	Spreadtrum SC7731G
Technology	28 nm (nanometers)
Bits	32 bit
Instruction set	ARMv7
Cores	32 KB + 32 KB (kilobytes)
CPU Frequency	512 KB (kilobytes), 0.5 MB (megabytes)

Storage and memory
Memory card	microSD, microSDHC
Internal memory	8 GB (gigabytes)
RAM	1 GB
RAM type	2
RAM channels	400 MHz (megahertz)

Cameras
Sensor model	CMOS (complementary metal-oxide semiconductor)
Sensor type	LED
Sensor size	2592 x 1944 pixels, 5.04 MP (megapixels)
Sensor Pixel size	1280 x 720 pixels, 0.92 MP (megapixels)
Aperture	Autofocus, Continuous shooting, Digital zoom, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Self-timer, Scene mode
Resolution	Secondary rear camera - 0.3 MP
Aperture secondary camera	LED
Resolution secondary camera	640 x 480 pixels, 0.31 MP (megapixels)
Video resolution secondary camera	30 fps (frames per second)
Audio connector	Yes

Communications
WLAN	802.11b (IEEE 802.11b-1999), 802.11g (IEEE 802.11g-2003), 802.11n (IEEE 802.11n-2009), Wi-Fi Hotspot
Bluetooth	4.0
GPS	GPS, A-GPS
Radio	Yes
USB	Micro USB
Sensors	Proximity, Light, Accelerometer