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Walton Primo EF4 Full Specifications

Walton Primo EF4 Full Specifications
Walton Primo EF4 Full Specifications

Brand and model

Brand : Walton
Model : Primo EF4

Design

Width : 214 mm (millimeters), 21.4 cm (centimeters), 0.702 ft (feet), 8.425 in (inches)
Height : 145.09 mm (millimeters), 14.509 cm (centimeters), 0.476 ft (feet), 5.712 in (inches)
Thickness : 20 mm (millimeters), 2 cm (centimeters), 0.066 ft (feet), 0.787 in (inches)
Weight : 602 g (grams), 1.33 lbs (pounds), 21.23 oz (ounces)
Volume : 620.99 cm³ (cubic centimeters), 37.71 in³ (cubic inches)
Colors : Black

SIM card

SIM card type : Micro-SIM (3FF - third form factor, since 2003, 15.00 x 12.00 x 0.76 mm)
Number of SIM cards : 2

Networks

GSM : GSM 900 MHz, GSM 1900 MHz
W-CDMA : W-CDMA 850 MHz, W-CDMA 1900 MHz, W-CDMA 2100 MHz

Mobile network technologies and bandwidth

Mobile network technologies : UMTS (384 kbit/s ), EDGE, GPRS, HSPA+ (HSDPA 21 Mbit/s )

Operating system

Operating system (OS) : Android 4.4.2 KitKat

System on Chip (SoC)

SoC : Spreadtrum SC7731G
Process technology : 28 nm (nanometers)
CPU : ARM Cortex-A7
CPU bits : 32 bit
Instruction set : ARMv7
Level 1 cache memory (L1) : 32 KB + 32 KB (kilobytes)
Level 2 cache memory (L2) : 256 KB (kilobytes), 0.25 MB (megabytes)
CPU cores : 4
CPU frequency : 1200 MHz (megahertz)
GPU : ARM Mali-400 MP2
GPU cores : 2
GPU frequency : 400 MHz (megahertz)
RAM capacity : 512 MB (megabytes)

Storage

Storage : 8 GB (gigabytes)

Memory cards

Types : microSD, microSDHC

Display

Type/technology : TFT
Diagonal size : 5 in (inches), 127 mm (millimeters), 12.7 cm (centimeters)
Width : 4.16 in (inches), 105.64 mm (millimeters), 10.56 cm (centimeters)
Height : 2.78 in (inches), 70.49 mm (millimeters), 7.05 cm (centimeters)
Aspect ratio : 1.499:1
Resolution : 1280 x 854 pixels
Pixel density : 308 ppi (pixels per inch), 121 ppcm (pixels per centimeter)
Color depth : 24 bit, 16777216 colors
Display area : 24.06 % (percent)
Other features : Capacitive, Multi-touch

Sensors

Sensors : Proximity, Light, Accelerometer, Compass

Rear camera

Sensor type : CMOS (complementary metal-oxide semiconductor)
Flash type : LED
Image resolution : 4128 x 1944 pixels, 8.02 MP (megapixels)
Video resolution : 1920 x 1080 pixels, 2.07 MP (megapixels)
Video FPS : 30 fps (frames per second)
Features : Autofocus, Continuous shooting, Digital zoom, Digital image stabilization, Geotagging, Panorama, HDR, Touch focus, Face detection, Scene mode

Front camera

Image resolution : 2560 x 1920 pixels, 4.92 MP (megapixels)
Video FPS : 30 fps (frames per second)

Audio

Speaker : Loudspeaker

Tracking/Positioning

Tracking/Positioning : GPS, A-GPS

Wi-Fi

Wi-Fi : 802.11b (IEEE 802.11b-1999), 802.11g (IEEE 802.11g-2003), 802.11n (IEEE 802.11n-2009), Wi-Fi Hotspot

Bluetooth

Version : 4.0
Features : A2DP (Advanced Audio Distribution Profile)

USB

Connector type : Micro USB
Version : 2.0
Features : Charging, Mass storage

Headphone jack

Headphone jack : Yes

Connectivity

Connectivity : Computer sync, OTA sync, Tethering

Browser

Browser : HTML, HTML5, CSS 3

Audio file formats/codecs

Audio file formats/codecs : AAC (Advanced Audio Coding), AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga), eAAC+ / aacPlus v2 / HE-AAC v2, MIDI, MP3 (MPEG-2 Audio Layer II, .mp3), WMA (Windows Media Audio, .wma), WAV (Waveform Audio File Format, .wav, .wave)

Video file formats/codecs

Video file formats/codecs : 3GPP (3rd Generation Partnership Project, .3gp), AVI (Audio Video Interleaved, .avi), MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v), Xvid

Battery

Capacity : 2300 mAh (milliampere-hours)
Type : Li-Ion
2G talk time : 11 h (hours), 660 min (minutes), 0.5 days
Features : Non-removable

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