Walton Primo EF7 - Technical characteristics and specifications

Primo EF7 technical characteristics

About the device:

Walton Primo EF7 is a mobile/cell phone with dimensions of 62.23 mm (millimeters), 6.22 cm (centimeters), 0.2 ft (feet), 2.45 in (inches), and a screen resolution of 480 x 960 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 .

The Walton Primo EF7 comes from the factory with the Android 7.0 Nougat operating system.

Technical information

Property	Value
Brand	Walton
Model	Primo EF7

Connectivity
2G connectivity	GSM 850 MHz, GSM 900 MHz, GSM 1800 MHz, GSM 1900 MHz
3G connectivity	W-CDMA 2100 MHz
4G connectivity	LTE 900 MHz, LTE 1800 MHz, LTE 2100 MHz, LTE-TDD 1900 MHz (B39), LTE-TDD 2300 MHz (B40), LTE-TDD 2500 MHz (B41), LTE-TDD 2600 MHz (B38)
5G connectivity	No

Body
Dimensions	62.23 mm (millimeters), 6.22 cm (centimeters), 0.2 ft (feet), 2.45 in (inches)
Height	133 mm (millimeters), 13.3 cm (centimeters), 0.44 ft (feet), 5.24 in (inches)
Thickness	9.5 mm (millimeters), 0.95 cm (centimeters), 0.03 ft (feet), 0.37 in (inches)
Volume	78.63 cm
SIM	Micro-SIM (3FF - third form factor, since 2003, 15.00 x 12.00 x 0.76 mm)
Number of SIMS	2
Colors	Gold, Gray, Black
Body materials	Plastic
Certifications	IP68 (See other devices with IP68)

Screen
Type of screen	TFT
Screen resolution	480 x 960 pixels
Display width	2.21 in (inches), 56.23 mm (millimeters), 5.62 cm (centimeters)
Display height	4.43 in (inches), 112.46 mm (millimeters), 11.25 cm (centimeters)
Aspect ratio	2:1, 2:1 (18:9)
Pixel density	217 ppi (pixels per inch), 85 ppcm (pixels per centimeter)
Color depth	24 bit, 16777216 colors
Display area	76.65 % (percent)
Crystal	2.5D curved glass screen

Platform
OS	Android 7.0 Nougat
CPU	ARM Cortex-A7
SoC	Spreadtrum SC7731C
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)

Storage and memory
Memory card	microSD, microSDHC
Internal memory	8 GB (gigabytes)
RAM	1 GB
RAM type	1
RAM channels	512 MHz (megahertz)

Cameras
Sensor model	CMOS BSI (backside illumination)
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	Continuous shooting, Digital zoom, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Self-timer, Scene mode
Resolution	Phase detection, 5-element lens, Secondary rear camera - 2 MP
Video Resolution	5-element lens, Blue filter glass
FPS	Autofocus, Continuous shooting, Digital zoom, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Self-timer, Scene mode
Video features	Phase detection, Interpolated resolution - 16 MP, Secondary rear camera - 5 MP
Aperture secondary camera	1600 x 1200 pixels, 1.92 MP (megapixels)
Resolution secondary camera	30 fps (frames per second)
Video resolution secondary camera	640 x 480 pixels, 0.31 MP (megapixels)
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, Accelerometer