Digma Citi Z540 4G - Technical characteristics and specifications

Citi Z540 4G technical characteristics

About the device:

Digma Citi Z540 4G 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 480 x 854 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, microSDXC .

The Digma Citi Z540 4G comes from the factory with the Android 5.1 Lollipop operating system.

Technical information

Property	Value
Brand	Digma
Model	Citi Z540 4G

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 1800 MHz, LTE 2100 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	142 mm (millimeters), 14.2 cm (centimeters), 0.47 ft (feet), 5.59 in (inches)
Thickness	10 mm (millimeters), 1 cm (centimeters), 0.03 ft (feet), 0.39 in (inches)
Volume	103.66 cm
SIM	Micro-SIM (3FF - third form factor, since 2003, 15.00 x 12.00 x 0.76 mm)
Number of SIMS	2
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	66.67 % (percent)
Crystal	2.5D curved glass screen

Platform
OS	Android 5.1 Lollipop
CPU	ARM Cortex-A7
SoC	Spreadtrum SC9830A
Technology	28 nm (nanometers)
Bits	32 bit
Instruction set	ARMv7
Cores	4
CPU Frequency	1500 MHz (megahertz)

Storage and memory
Memory card	microSD, microSDHC, microSDXC
Internal memory	8 GB (gigabytes)
RAM	1 GB
RAM type	LPDDR3
RAM channels	400 MHz (megahertz)
RAM frequency	512 MB (megabytes)

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	4096 x 3072 pixels, 12.58 MP (megapixels)
Video Resolution	1920 x 1080 pixels, 2.07 MP (megapixels)
FPS	30 fps (frames per second)
Video features	Autofocus, Continuous shooting, Digital image stabilization, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Self-timer, Scene mode, Macro mode
Aperture secondary camera	640 x 480 pixels, 0.31 MP (megapixels)
Resolution secondary camera	30 fps (frames per second)
Video resolution secondary camera	30 fps (frames per second)
FPS video 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