itel S21 - Technical characteristics and specifications

itel S21 technical characteristics

About the device:

itel S21 is a mobile/cell phone with dimensions of 73.2 mm (millimeters), 7.32 cm (centimeters), 0.24 ft (feet), 2.88 in (inches), and a screen resolution of 480 x 854 pixels.

It has a processor ARM Cortex-A53, a 1 GB RAM memory and an internal memory of 16 GB (gigabytes) expandable by memory card microSD, microSDHC, microSDXC .

The itel S21 comes from the factory with the Android 7.0 Nougat operating system.

Technical information

Property	Value
Brand	itel
Model	S21

Connectivity
2G connectivity	GSM 900 MHz, GSM 1800 MHz
3G connectivity	W-CDMA 850 MHz, W-CDMA 900 MHz, W-CDMA 2100 MHz
4G connectivity	LTE 850 MHz, LTE 1800 MHz, LTE 2100 MHz, LTE-TDD 2300 MHz (B40)
5G connectivity	No

Body
Dimensions	73.2 mm (millimeters), 7.32 cm (centimeters), 0.24 ft (feet), 2.88 in (inches)
Height	145 mm (millimeters), 14.5 cm (centimeters), 0.48 ft (feet), 5.71 in (inches)
Thickness	8.7 mm (millimeters), 0.87 cm (centimeters), 0.03 ft (feet), 0.34 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
Body materials	Plastic

Screen
Type of screen	IPS
Screen resolution	480 x 854 pixels
Display width	2.45 in (inches), 62.23 mm (millimeters), 6.22 cm (centimeters)
Display height	4.36 in (inches), 110.71 mm (millimeters), 11.07 cm (centimeters)
Aspect ratio	1.779:1
Pixel density	196 ppi (pixels per inch), 77 ppcm (pixels per centimeter)
Color depth	24 bit, 16777216 colors
Display area	65.12 % (percent)
Crystal	GFF full lamination

Platform
OS	Android 7.0 Nougat
CPU	ARM Cortex-A53
SoC	MediaTek MT6737M
Technology	28 nm (nanometers)
Bits	64 bit
Instruction set	ARMv8-A
Cores	32 KB + 32 KB (kilobytes)
CPU Frequency	512 KB (kilobytes), 0.5 MB (megabytes)

Storage and memory
Memory card	microSD, microSDHC, microSDXC
Internal memory	16 GB (gigabytes)
RAM	1 GB
RAM type	1
RAM channels	550 MHz (megahertz)

Cameras
Sensor model	CMOS (complementary metal-oxide semiconductor)
Sensor type	f/2
Sensor size	LED
Sensor Pixel size	3264 x 2448 pixels, 7.99 MP (megapixels)
Aperture	30 fps (frames per second)
Resolution	Pixel size - 1.4 ?m
Video Resolution	1920 x 1080 pixels, 2.07 MP (megapixels)
FPS	30 fps (frames per second)
Video features	Autofocus, Continuous shooting, Digital zoom, Digital image stabilization, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode
Aperture secondary camera	LED
Resolution secondary camera	640 x 480 pixels, 0.31 MP (megapixels)
Video resolution secondary camera	30 fps (frames per second)
FPS video secondary camera	Secondary front camera - 5 MP
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, Fingerprint