BenQ-Siemens S81
Release Date
Released 2006, February
OS Version
Feature phone
Body
99g, 13mm thickness
RAM
Storage
30MB storage, microSD slot
Battery
920 mAh
Display
Size
2.0"
Resolution
176x220 pixels
Technology
IPS LCD
Camera
Main Camera
Video Recording
Front Camera
16MP
Hardware
Chipset
GPU
Adreno 660
Storage Options
30MB storage, microSD slot
| Technology | GSM / UMTS |
| 2G bands | GSM 900 / 1800 / 1900 |
| 3G bands | UMTS 2100 |
| Speed | Yes, 384 kbps |
| Announced | 2006, February |
| Status | Discontinued |
| Dimensions | 109 x 48 x 13 mm (4.29 x 1.89 x 0.51 in) |
| Weight | 99 g (3.49 oz) |
| SIM | Mini-SIM |
| Type | Removable Li-Ion 920 mAh battery |
| Size | 2.0 inches, 31 x 39 mm, 12.6 cm2 (~24.1% screen-to-body ratio) |
| Resolution | 176 x 220 pixels (~141 ppi density) |
| Card slot | microSD (dedicated slot) |
| Phonebook | Yes, Photo call |
| Call records | 10 dialed, 10 received, 10 missed calls |
| Internal | 30MB |
| Single | VGA videocall camera |
| Features | LED flash |
| Video | |
| Loudspeaker | No |
| Alert types | Vibration; Downloadable polyphonic, MP3, AAC ringtones |
| 3.5mm jack | No |
| WLAN | No |
| Bluetooth | 1.1 |
| GPS | No |
| Radio | No |
| USB | Proprietary |
| Sensors | |
| Messaging | SMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Games | Yes |
| Java | Yes, MIDP 2.0 |
| | MP3/AAC player Video telephony iTap Stopwatch Organizer |
| Stand-by | Up to 320 h |
| Talk time | Up to 4 h 50 min |
| Colors | Black/Silver |