| Price | 51 USD |
| Brand | walton |
| Model | Walton Primo EF4 |
| Status | Available |
| Release Date |
| RAM | 512 MB RAM |
| STORAGE | |
| Memory Slot |
| Rear Camera | 5 MP |
| Feature | Auto focus, BSI censors, LED flash |
| Video Recording | 3GP, 720p , Yes |
| Front Camera | 2 MP |
| Front Video Recording |
| Network | |
| USB | Yes |
| GPS | Yes, with A-GPS |
| Bluetooth | Yes, v4.0 |
| WLAN | Wi-Fi 802.11, Wi-Fi Hotspot |
| SIM | Dual SIM (dual stand-by) |
| EDGE | Yes |
| GPRS | Yes |
| Speed | HSPA+ |
| Type | Removable Battery |
| Size | 2300 mAh, Li-Ion Battery |
| Charging |
| Sensors | Accelerometer |
| Type | |
| Screen to Body Ratio | % |
| Protection | |
| Build |
| OS | Android OS, v6.0 (Marshmallow) |
| Chipsets | |
| GPU | Mali 400 |
| CPU | 1.2 GHz Quad Core |
| Colors | Pure Black, White Golden, White Silver |
| Weight | 155 g |
| Dimensions | 145.28 x 73.09 x 10.35 mm |
| NFC | |
| 3.5mm Jack | |
| Charging | |
| Water Proof |
| Radio | FM radio |
| Loudspeaker |