| OS |
Android 4.4.2 (KitKat), Clean Pure Stock Android with Zero Bloatware |
| Chipset |
Spreadtrum SC7731G (28 nm 1.2GHz Quad-Core 32-bit Cortex-A7 Processor with Mali-400 MP2 GPU @ 500MHz) |
| RAM |
512MB RAM (Optimized for WhatsApp, calls & SMS!) |
| Storage |
4GB High-Speed Storage |
| Display |
5.0 inches • 480 x 854 pixels (16:9, Compact 5.0" FWVGA 480p 16:9 TFT LCD Display, 196 ppi) |
| Main camera |
Pro Flagship 5.0 MP Rear Camera with LED flash & 480p Video: 5.0 MP (Fixed Focus, HDR, 480p@30fps video recording) with High-Power LED flash |
| Selfie camera |
Pro Flagship 0.3 MP Front VGA Camera for Video Calling & 480p Video (0.3 MP VGA, 480p video) |
| Battery |
Monumental 2000 mAh Colossal Monster Battery! (Removable Li-Ion, swappable on the go! Powers over 14 hours continuous calling / 320 hours standby / 7 hours continuous video / 40 hours audio!), Micro-USB 2.0 charging in box + Battery Saver • Removable Li-Ion 2000 mAh (swappable on the go!) |
| Weight |
150 g (5.29 oz) |
Latest Walton Primo EF3 user agents:
| User Agent |
Browser | Platform |
| Mozilla/5.0 (Linux; Android 5.1; Primo_EF3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.101 Mobile Safari/537.36 |
Chrome Mobile 83 | Android 5Primo EF3 |
| Mozilla/5.0 (Linux; Android 4.4.2; Primo_EF3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Mobile Safari/537.36 |
Chrome Mobile 81 | Android 4Primo EF3 |
| Mozilla/5.0 (Linux; Android 4.4.2; Primo_EF3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.111 Mobile Safari/537.36 |
Chrome Mobile 81 | Android 4Primo EF3 |
| Mozilla/5.0 (Linux; Android 10; Primo_EF3 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/101.0.4951.54 Mobile Safari/537.36 |
Chrome Webview 101 | Android 10Primo EF3 |