| Network | |
|---|---|
| Technology | GSM / HSPA |
| 2G bands | GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 |
| 3G bands | HSDPA 2100 |
| Speed | HSPA |
| Launch | |
| Announced | 2014, August. Released 2014, August |
| Status | Discontinued |
| Body | |
| Dimensions | 132 x 65.8 x 9.2 mm (5.20 x 2.59 x 0.36 in) |
| Weight | 128 g (4.52 oz) |
| Build | Glass front, plastic back, plastic frame |
| SIM | Dual SIM (Mini-SIM/ Micro-SIM) |
| Display | |
| Type | IPS LCD capacitive touchscreen, 16M colors |
| Size | 4.5 inches, 55.8 cm2 (~64.2% screen-to-body ratio) |
| Resolution | 480 x 854 pixels, 16:9 ratio (~218 ppi density) |
| Platform | |
| OS | Android 4.2.1 (Jelly Bean) |
| Chipset | Mediatek MT6572 (28 nm) |
| CPU | Dual-core 1.3 GHz Cortex-A7 |
| GPU | Mali-400 |
| Memory | |
| Card slot | microSDHC (dedicated slot) |
| Internal | 4GB 1GB RAM |
| Main Camera | |
| Single | 5 MP, AF |
| Features | LED flash |
| Video | 720p@30fps |
| Selfie camera | |
| Single | 2 MP |
| Video | |
| Sound | |
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| Comms | |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | 2.1 |
| GPS | Yes, with A-GPS |
| Radio | FM radio |
| USB | microUSB 2.0, USB On-The-Go |
| Features | |
| Sensors | Accelerometer, proximity |
| Battery | |
| Removable Li-Ion 1900 mAh battery | |
| Misc | |
| Colors | White, Black |
| Models | R831K |