ZTE Z557 - Technical characteristics and specifications

ZTE Z557

Z557 technical characteristics

About the device:

ZTE Z557 is a mobile/cell phone with dimensions of 72 mm (millimeters), 7.2 cm (centimeters), 0.24 ft (feet), 2.83 in (inches), a weight of 150 grams, and a screen resolution of 480 x 854 pixels.

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

The ZTE Z557 comes from the factory with the Android 8.1 Oreo Go Edition operating system.

Technical information

Property	Value
Brand	ZTE
Model	Z557

Connectivity
2G connectivity	GSM 850 MHz, GSM 1800 MHz
3G connectivity	UMTS 850 MHz, UMTS 1900 MHz
4G connectivity	LTE 850 MHz, LTE 1700/2100 MHz, LTE 1900 MHz, LTE 700 MHz (B12), LTE 1700/2100 MHz (B66)
5G connectivity	No

Body
Dimensions	72 mm (millimeters), 7.2 cm (centimeters), 0.24 ft (feet), 2.83 in (inches)
Height	145.5 mm (millimeters), 14.55 cm (centimeters), 0.48 ft (feet), 5.73 in (inches)
Thickness	9.3 mm (millimeters), 0.93 cm (centimeters), 0.03 ft (feet), 0.37 in (inches)
Volume	97.43 cm
Weight gr.	150
Weight oz	0.33
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	IP68 (See other devices with IP68)

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	65.97 % (percent)
Crystal	Display manufacturer - Visionox, Corning Gorilla Glass, 2.5D curved glass screen, HDR10

Platform
OS	Android 8.1 Oreo Go Edition
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
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	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	Sensor size - 1/2", Pixel size - 1.6 ?m (4-in-1 pixel binning), Sensor type - ISOCELL PLUS, Phase detection, 720p @ 240 fps, Secondary rear camera - 20 MP (ultra-wide angle), Sensor model - Samsung S5K3T1 (#2), Sensor type - ISOCELL (#2), Pixel size - 1.8 ?m (4-in-1 pixel binning) (#2), Aperture size - f/2.2 (#2), Angle of view - 125
Video Resolution	1280 x 720 pixels, 0.92 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, 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	Face unlock
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	4.2
GPS	GPS, A-GPS
Radio	Yes
USB	Micro USB
Sensors	Proximity, Light, Accelerometer