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| 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 |
|---|---|---|
| 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 | |
| Positioning | GPS | |
| NFC | No | |
| Radio | FM radio | |
| USB | microUSB 2.0, OTG |
| Features | Sensors | Accelerometer, proximity |
|---|
| Battery | Type | Li-Ion 1900 mAh, removable |
|---|
| Misc | Colors | White, Black |
|---|---|---|
| Models | R831K | |
| Price | About 130 EUR |
