Walton Primo EF9 - Technical characteristics and specifications

Primo EF9 technical characteristics

About the device:

Walton Primo EF9 is a mobile/cell phone with dimensions of 66.2 mm (millimeters), 6.62 cm (centimeters), 0.22 ft (feet), 2.61 in (inches), a weight of 135 grams, 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, microSDXC .

The Walton Primo EF9 comes from the factory with the Android 8.1 Oreo Go Edition operating system.

Technical information

Property	Value
Brand	Walton
Model	Primo EF9

Connectivity
2G connectivity	GSM 850 MHz, GSM 900 MHz, GSM 1800 MHz, GSM 1900 MHz
3G connectivity	W-CDMA 900 MHz, W-CDMA 2100 MHz
4G connectivity	LTE 800 MHz, LTE 900 MHz, LTE 1800 MHz, LTE 2100 MHz, LTE 2600 MHz
5G connectivity	No

Body
Dimensions	66.2 mm (millimeters), 6.62 cm (centimeters), 0.22 ft (feet), 2.61 in (inches)
Height	140.2 mm (millimeters), 14.02 cm (centimeters), 0.46 ft (feet), 5.52 in (inches)
Thickness	10.2 mm (millimeters), 1.02 cm (centimeters), 0.03 ft (feet), 0.4 in (inches)
Volume	94.67 cm
Weight gr.	135
Weight oz	0.3
SIM	Micro-SIM (3FF - third form factor, since 2003, 15.00 x 12.00 x 0.76 mm)
Number of SIMS	2
Colors	Black, Blue, Red
Body materials	Plastic

Screen
Type of screen	IPS
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	68.35 % (percent)
Crystal	2.5D curved glass screen

Platform
OS	Android 8.1 Oreo Go Edition
CPU	ARM Cortex-A7
SoC	MediaTek MT6580M
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, microSDXC
Internal memory	8 GB (gigabytes)
RAM	1 GB
RAM type	2
RAM channels	416 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	Autofocus, Continuous shooting, Digital zoom, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Self-timer, Scene mode
Resolution	Phase detection, 1080p @ 60 fps
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	CMOS BSI (backside illumination)
Resolution secondary camera	640 x 480 pixels, 0.31 MP (megapixels)
Video resolution secondary camera	30 fps (frames per second)
FPS video secondary camera	Digital zoom, HDR, Self-timer, Scene mode
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	Accelerometer