Walton Primo HM4i - Technical characteristics and specifications

Primo HM4i technical characteristics

About the device:

Walton Primo HM4i is a mobile/cell phone with dimensions of 77 mm (millimeters), 7.7 cm (centimeters), 0.25 ft (feet), 3.03 in (inches), and a screen resolution of 720 x 1280 pixels.

It has a processor ARM Cortex-A7, a graphics card ARM Mali-400 MP and an internal memory of 8 GB (gigabytes) expandable by memory card microSD, microSDHC, microSDXC .

The Walton Primo HM4i comes from the factory with the Android 7.0 Nougat operating system.

Technical information

Property	Value
Brand	Walton
Model	Primo HM4i

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	77 mm (millimeters), 7.7 cm (centimeters), 0.25 ft (feet), 3.03 in (inches)
Height	154 mm (millimeters), 15.4 cm (centimeters), 0.51 ft (feet), 6.06 in (inches)
Thickness	8.4 mm (millimeters), 0.84 cm (centimeters), 0.03 ft (feet), 0.33 in (inches)
Volume	99.61 cm
SIM	Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)
Number of SIMS	2
Colors	Gold, Black
Body materials	Metal
Certifications	IP68 (See other devices with IP68)

Screen
Type of screen	IPS
Screen resolution	720 x 1280 pixels
Display width	2.7 in (inches), 68.49 mm (millimeters), 6.85 cm (centimeters)
Display height	4.79 in (inches), 121.76 mm (millimeters), 12.18 cm (centimeters)
Aspect ratio	1.778:1, 16:9
Pixel density	267 ppi (pixels per inch), 104 ppcm (pixels per centimeter)
Color depth	24 bit, 16777216 colors
Display area	70.55 % (percent)
Crystal	2.5D curved glass screen

Platform
OS	Android 7.0 Nougat
CPU	ARM Cortex-A7
SoC	MediaTek MT6580
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)
GPU	ARM Mali-400 MP

Storage and memory
Memory card	microSD, microSDHC, microSDXC
Internal memory	8 GB (gigabytes)
RAM type	2
RAM channels	1 GB (gigabytes)
RAM frequency	Single channel

Cameras
Sensor model	CMOS BSI (backside illumination)
Sensor type	LED
Sensor size	3264 x 2448 pixels, 7.99 MP (megapixels)
Sensor Pixel size	1920 x 1080 pixels, 2.07 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, 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	CMOS BSI (backside illumination)
Resolution secondary camera	3264 x 2448 pixels, 7.99 MP (megapixels)
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, Light, Accelerometer, Fingerprint