i-mobile i691
| Type | Touch |
| Dimensions | 117.00 x 63.00 x 12.90 mm |
| Display size | 3.50" |
| Display | Color / TFT 256k colors 320 x 480 px (3.50") 165 ppi |
| Display protection |   |
| Additional display | |
| Protection of the secondary display | |
| Talk time (max.) | 2G: 600 min. (10.0 h) 3G: 450 min. (7.5 h) |
| Stand-by (max.) | 2G: 560 h. (23.3 days) 3G: 620 h. (25.8 days) |
| Standard battery | Li-Po 1250 mAhBuy powerbank
|
| Quick battery charging | |
| Wireless battery charging | |
| Memory cards |  microSD up to 16 GBBuy memory card |
| Operating system | Android 2.2 Froyo |
| Processor | Qualcomm |
| Processor clock | 600 MHz |
| GPU | - |
| Touchscreen | |
| DualSIM | |
| Hybrid DualSIM | |
| Other names | - |
| GSM frequencies | 900 1800 |
| UMTS | 850 2100 |
| LTE standard | |
| CDMA | |
| Standard TD-SCDMA | |
| UMA | |
CAMERAS - BACK
| First camera | |
| Photo matrix | 3.2 Mpx |
| Resolution | 2048x1536 px |
| Optical zoom | |
| Digital zoom | 2x |
| Flash | LED |
| Dual-colour LED flash | |
| Video resolution | 800x480 px |
| Video formats | 3GP |
| Additional | - |
CAMERAS - FRONT
| First camera | |
| Optical zoom | |
| Flash | |
| Dual-colour LED flash | |
| Video formats | 3GP |
| Additional | - |
SENSORS
| Accelerometer | |
| Proximity | |
| Light | |
| Magnetometer | |
| Gyroscope | |
| Barometer | |
| Altimeter | |
| Gravity | |
| Hall-effect | |
| Iris scanner | |
| Fingerprint scanner | |
| Thermometer | |
| Hygrometer | |
Data transfer
| xHTML | |
| WAP | |
| HSCSD | |
| HSDPA | 7.20 Mbit/s |
| HSUPA | |
| HSPA | |
| HSPA+ | |
| LTE DL | |
| LTE UP | |
| WIMAX+ | |
| GPRS | |
| EDGE | |
| Bluetooth | v2.1 EDR |
| A2DP Profile | |
| HDMI | |
| WiFi | v802.11 b/g |
| WiFi frequencies | 2,4 GHz |
| WiFi Direct | |
| WiFi Display | |
| DLNA | |
| Miracast | |
| WiFi hotspot | |
| IrDA | |
| USB | |
| GPS | |
| A-GPS | |
| Beidou | |
| NFC | |
COMMUNICATION AND MESSAGING
| Push To Talk | |
| Instant Messenger | |
| SMS | |
| EMS | |
| MMS | |
| Dictionary | OTHER |
| Swype | |
| e-mail client | |
| Hardware QWERTY keyboard | |
| RSS Reader | |
Multimedia
| Radio | |
| MP3 | |
| Stereo speakers | |
| Audio Jack | 3.5 mm |
| HD Voice | |
| Sound formats | AMR, AWB, WAV |
| Polyphony | |
| Video ringtone | |
| Ring composer | |
| Java | |
| Videophone | |
| DVB-H television | |
| TV-Out | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | |
| Stopwatch | |
| Alarm | |
| Calculator | |
| Currency converter | |
| Organizer | |
| Calendar | |
| SyncML | |
| Data and fax | |
| Screensaver | |
| Themes | |
| Interchangeable covers | |
| Voice dial | |
| Speakerphone | |
| Recorder | |
| Vibrations | |