ZTE Blade A521 - Technical characteristics and specifications

Blade A521 technical characteristics

About the device:

ZTE Blade A521 is a mobile/cell phone with dimensions of 71 mm (millimeters), 7.1 cm (centimeters), 0.23 ft (feet), 2.8 in (inches), a weight of 137 grams, and a screen resolution of 720 x 1280 pixels.

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

The ZTE Blade A521 comes from the factory with the Android 7.1 Nougat operating system.

Technical information

Property	Value
Brand	ZTE
Model	Blade A521

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 900 MHz, LTE 1800 MHz, LTE 2100 MHz, LTE 2600 MHz
5G connectivity	No

Body
Dimensions	71 mm (millimeters), 7.1 cm (centimeters), 0.23 ft (feet), 2.8 in (inches)
Height	144 mm (millimeters), 14.4 cm (centimeters), 0.47 ft (feet), 5.67 in (inches)
Thickness	8.4 mm (millimeters), 0.84 cm (centimeters), 0.03 ft (feet), 0.33 in (inches)
Volume	85.88 cm
Weight gr.	137
Weight oz	0.3
SIM	Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)
Number of SIMS	1
Colors	Black
Body materials	Plastic
Certifications	IP57, IP6X

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	67.63 % (percent)
Crystal	2.5D curved glass screen

Platform
OS	Android 7.1 Nougat
CPU	ARM Cortex-A7
SoC	Qualcomm Snapdragon 210 MSM8909
Technology	28 nm (nanometers)
Bits	32 bit
Instruction set	ARMv7
Cores	1024 KB (kilobytes), 1 MB (megabytes)
CPU Frequency	4

Storage and memory
Memory card	microSD, microSDHC, microSDXC
Internal memory	8 GB (gigabytes)
RAM type	1 GB (gigabytes)
RAM channels	Single channel
RAM frequency	533 MHz (megahertz)

Cameras
Sensor model	CMOS (complementary metal-oxide semiconductor)
Sensor type	LED
Sensor size	4160 x 3120 pixels, 12.98 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	Autofocus, Continuous shooting, Digital zoom, Digital image stabilization, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Self-timer, Scene mode, Macro mode
Video Resolution	Sensor size - 1/2.8", Pixel size - 1.0 ?m, Phase detection, 720p @ 240 fps
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, Self-timer, Scene mode
Aperture secondary camera	CMOS (complementary metal-oxide semiconductor)
Resolution secondary camera	640 x 480 pixels, 0.31 MP (megapixels)
Video resolution secondary camera	30 fps (frames per second)
FPS video secondary camera	1280 x 720 pixels, 0.92 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	4.1
GPS	GPS, A-GPS
Radio	Yes
USB	Micro USB
Sensors	Proximity, Light, Accelerometer