| Local Name | OT-991 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 1700 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 7.2/0.384 Mbps |
| GPRS | Class 12 |
| EDGE | Class 12 |
| Announced | 2012, February |
| Status | Available. Released 2012, Q3 |
| Dimensions | 122 x 68 x 10.8 mm (4.80 x 2.68 x 0.43 in) |
| Weight | 131.3 g (4.62 oz) |
| SIM | Mini-SIM |
| Display Type | TFT capacitive touchscreen, 256K colors |
| Screen Size | 4.0 inches (~57.4% screen-to-body ratio) |
| Resolution | 320 x 480 pixels (~144 ppi pixel density) |
| Mulitouch | Yes |
| OS | Android OS, v2.3 (Gingerbread) |
| Chipset | Mediatek MT6573 |
| CPU | 800 MHz Cortex-A9 |
| GPU | PowerVR SGX531 |
| Card Slot | microSD, up to 32 GB |
| Internal Memory | 150 MB |
| Primary Camera | 3.15 MP, 2048 x 1536 pixels, LED flash |
| Camera Features | Geo-tagging |
| Video | Yes |
| Secondary Camera | Yes |
| Alert Types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | v4.0, A2DP |
| GPS | Yes, with A-GPS |
| Radio | Stereo FM radio with RDS |
| USB | microUSB v2.0 |
| Sensors | Accelerometer, proximity, compass |
| Messaging | SMS(threaded view), MMS, Email, IM |
| Browser | WAP 2.0/xHTML, HTML |
| Java | Yes, via Java MIDP emulator |
| Features Summary | MP3/AAC+/WAV/WMA player, MP4/H.264 player, Document viewer, Photo viewer/editor, Organizer, Voice memo, Predictive text input |
| Battery | Li-Ion 1500 mAh battery |
| Stand By | Up to 400 h |
| Talk Time | Up to 12 h (2G) / Up to 10 h (3G) |
| Colors | Black, White |
| SAR EU | 0.54 W/kg (head) 0.84 W/kg (body) |
