| Physical features | Alcatel OT-991 |
| Model | |
| Other model names | Alcatel One Touch 991D Dual-sim, Alcatel 991 |
| Country or region available | feature not registered |
| Brand | Alcatel |
| Release date | September, 2012 |
| Depth | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 68 x 122 millimeters (2.68 x 4.8 in) |
| Weight | 131 grams (4.59 ounces) |
| Qwerty physical keyboard | Not supported |
| Antenna | Internal antenna |
| Build, materials | feature not registered |
| Protection against water and others | Not supported |
| System (OS) | Alcatel OT-991 |
| Operating system | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered |
| Hardware | Alcatel OT-991 |
| Chipset | 32bit – MediaTek MT6573 |
| CPU processor | 800Mhz Single-Core ARM11 |
| GPU graphical controller | PowerVR SGX531 |
| RAM memory | 256MB |
| Internal storage | 512MB (150MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) |
| Display | Alcatel OT-991 |
| Display type | TFT LCD |
| Screen size | 4″ inches |
| Screen-to-body ratio | ~57.4% (screen-to-body ratio) |
| Display resolution | 320×480 pixels |
| Touchscreen | Capacitive Multitouch |
| Pixel density (dot pitch) | 144 PPI |
| Colors | 260 thousand |
| Scratch-resistant glass | Not supported |
| Display features | feature not registered |
| Mobile networks | Alcatel OT-991 |
| Dual-SIM | Dual-SIM Standby – Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum download/upload | 7.2 Mbps |
| Network technology | 2G |
| Frequency, bands | Expand band details |
| Calling | Alcatel OT-991 |
| Messaging | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported |
| Video calling | Supported |
| Call control | Voice recorder |
| Camera | Alcatel OT-991 |
| Back camera (main camera) | 3.1 megapixels |
| Main camera resolution | 2048×1536 pixels |
| Video recording (primary) | VGA (720×480) 30 fps |
| Flash | LED flash |
| Focal aperture | feature not registered |
| Focal length | feature not registered |
| Sensor size | feature not registered |
| Pixel size | feature not registered |
| Autofocus | Not supported |
| Touch focus | feature not registered |
| Image stabilization | feature not registered |
| Zoom | Only digital zoom |
| Face/smile detection | feature not registered |
| BSI sensor | feature not registered |
| HDR | feature not registered |
| 2ª camera | Alcatel OT-991 |
| Front camera (secondary) | 0.3 megapixels |
| Front camera resolution | 640×480 pixels |
| Video recording (secondary) | Not supported |
| Front flash | Not supported |
| Focal aperture | feature not registered |
| Focal length | feature not registered |
| Sensor size | feature not registered |
| Pixel size | feature not registered |
| Multimedia | Alcatel OT-991 |
| Radio | FM (RDS) |
| TV | Not supported |
| Video formats | MP4, H.264 |
| Audio formats | MP3, WAV, WMA, AAC+ |
| Connectivity | Alcatel OT-991 |
| USB | MicroUSB 2.0 |
| TV output | Not supported |
| Audio output | 3.5mm jack |
| Bluetooth | 4.0 + A2DP |
| WiFi | 802.11 b/g/n (2.4Ghz) |
| DLNA | feature not registered |
| NFC | Not supported |
| GPS | A-GPS, GeoTagging |
| Infrared port | feature not registered |
| Other functions | Alcatel OT-991 |
| Active noise cancellation | feature not registered |
| Vibrating alert | Supported |
| Ringtones | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player |
| Sensors | Accelerometer Proximity sensor Compass |
| Other features | – Colors: Black, White – HAC (M3/T3) – WiFi hotspot – Java framework |
| Power supply | Alcatel OT-991 |
| Battery | Li-Ion: Lithium-Ion (Removable) |
| Battery capacity | 1500 mAh |
| Charger, watts | Standard charging |
| Talk time autonomy | 600 minutes | 10 hours | 0.4 day |
| Standby | 22000 minutes | 366.7 hours | 15.3 days |
| Radiation rate | Alcatel OT-991 |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered |
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