Symphony i21 - Technical characteristics and specifications

Symphony i21 technical characteristics

About the device:

Symphony i21 is a mobile/cell phone with dimensions of 72.6 mm (millimeters), 7.26 cm (centimeters), 0.24 ft (feet), 2.86 in (inches), and a screen resolution of 720 x 1280 pixels.

It has a processor ARM Cortex-A7, a graphics card ARM Mali-400 MP and an internal memory of 8 GB (gigabytes) expandable by memory card microSD, microSDHC .

The Symphony i21 comes from the factory with the Android 6.0 Marshmallow operating system.

Technical information

Property	Value
Brand	Symphony
Model	i21

Connectivity
2G connectivity	GSM 900 MHz, GSM 1800 MHz
3G connectivity	W-CDMA 2100 MHz
4G connectivity	LTE 1800 MHz, LTE 2600 MHz
5G connectivity	No

Body
Dimensions	72.6 mm (millimeters), 7.26 cm (centimeters), 0.24 ft (feet), 2.86 in (inches)
Height	145.5 mm (millimeters), 14.55 cm (centimeters), 0.48 ft (feet), 5.73 in (inches)
Thickness	8.85 mm (millimeters), 0.89 cm (centimeters), 0.03 ft (feet), 0.35 in (inches)
Volume	93.49 cm
SIM	Micro-SIM (3FF - third form factor, since 2003, 15.00 x 12.00 x 0.76 mm)
Number of SIMS	2
Colors	Gray, Gold, Black
Body materials	Plastic
Certifications	IP55, IP57

Screen
Type of screen	IPS
Screen resolution	720 x 1280 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	294 ppi (pixels per inch), 115 ppcm (pixels per centimeter)
Color depth	24 bit, 16777216 colors
Display area	65.45 % (percent)
Crystal	2.5D curved glass screen

Platform
OS	Android 6.0 Marshmallow
CPU	ARM Cortex-A7
SoC	MediaTek MT6580
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)
GPU	ARM Mali-400 MP

Storage and memory
Memory card	microSD, microSDHC
Internal memory	8 GB (gigabytes)
RAM type	2
RAM channels	1 GB (gigabytes)
RAM frequency	Single channel

Cameras
Sensor model	Samsung
Sensor type	CMOS BSI (backside illumination)
Sensor size	f/2
Sensor Pixel size	LED
Aperture	1280 x 720 pixels, 0.92 MP (megapixels)
Resolution	Autofocus, Continuous shooting, Digital zoom, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode
Video Resolution	1920 x 1080 pixels, 2.07 MP (megapixels)
FPS	30 fps (frames per second)
Video features	Autofocus, Continuous shooting, Digital zoom, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode
Aperture secondary camera	Samsung
Resolution secondary camera	f/2.2
Video resolution secondary camera	LED
FPS video secondary camera	2560 x 1920 pixels, 4.92 MP (megapixels)
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	2.1
GPS	GPS, A-GPS
Radio	Yes
USB	Micro USB
Sensors	Proximity, Light, Accelerometer