| Property | Value |
| Brand | Walton |
| Model | Primo E3 |
| Connectivity |
| 2G connectivity | GSM 900 MHz, GSM 1800 MHz |
| 3G connectivity | UMTS 2100 MHz |
| 4G connectivity | LTE 1800 MHz, LTE 2100 MHz, LTE 2600 MHz, LTE-TDD 2300 MHz (B40), LTE-TDD 2600 MHz (B38) |
| 5G connectivity | No |
| Body |
| Dimensions | 64 mm (millimeters), 6.4 cm (centimeters), 0.21 ft (feet), 2.52 in (inches) |
| Height | 123.5 mm (millimeters), 12.35 cm (centimeters), 0.41 ft (feet), 4.86 in (inches) |
| Thickness | 9.7 mm (millimeters), 0.97 cm (centimeters), 0.03 ft (feet), 0.38 in (inches) |
| Volume | 76.67 cm |
| SIM | 2 |
| Number of SIMS | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) |
| Colors | Black |
| Body materials | Plastic |
| Certifications |
IP68 (See other devices with IP68) |
| Screen |
| Type of screen | LCD |
| Screen resolution | 480 x 800 pixels |
| Display width | 2.06 in (inches), 52.27 mm (millimeters), 5.23 cm (centimeters) |
| Display height | 3.43 in (inches), 87.12 mm (millimeters), 8.71 cm (centimeters) |
| Aspect ratio | 1.667:1, 5:3 |
| Pixel density | 233 ppi (pixels per inch), 91 ppcm (pixels per centimeter) |
| Color depth | 24 bit, 16777216 colors |
| Display area | 57.8 % (percent) |
| Crystal | Corning Gorilla Glass 2 |
| Platform |
| OS |
Android 4.2.2 Jelly Bean |
| CPU | ARM Cortex-A7 |
| SoC | MediaTek MT6572 |
| Technology | 28 nm (nanometers) |
| Bits | 32 bit |
| Instruction set | ARMv7 |
| Cores | 32 KB + 32 KB (kilobytes) |
| CPU Frequency | 256 KB (kilobytes), 0.25 MB (megabytes) |
| GPU | ARM Mali-400 MP |
| Storage and memory |
| Memory card | microSD, microSDHC, microSDXC |
| Internal memory |
4 GB (gigabytes)
|
| RAM type | 1 |
| RAM channels | 500 MHz (megahertz) |
| RAM frequency | 512 MB (megabytes) |
| Cameras |
| Sensor model | LED |
| Sensor type | 2048 x 1536 pixels, 3.15 MP (megapixels) |
| Sensor size | 800 x 480 pixels, 0.38 MP (megapixels) |
| Sensor Pixel size | 30 fps (frames per second) |
| Aperture | Autofocus, Face detection |
| Resolution | Autofocus, Continuous shooting, Digital zoom, Digital image stabilization, Geotagging, Panorama, HDR, Touch focus, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode |
| Video Resolution | Phase detection |
| 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 | 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 | Autofocus |
| 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 | A2DP (Advanced Audio Distribution Profile) |
| GPS | GPS, A-GPS |
| Radio | Yes |
| USB | Micro USB |
| Sensors | Proximity, Accelerometer |
| Battery |
| Battery | 1650 mAh (milliampere-hours) |
| Battery type | Fast charging, Non-removable |
| Fast charging | No |
| Wireless charging | No |
