Siemens A31
Release Date
Released 2005, November
OS Version
Feature phone
Body
85g, 17.6mm thickness
RAM
Storage
1.5MB storage, no card slot
Battery
820 mAh
Display
Size
Resolution
128x128 pixels
Technology
IPS LCD
Camera
Main Camera
Video Recording
Front Camera
16MP
Hardware
Chipset
GPU
Adreno 660
Storage Options
1.5MB storage, no card slot
| Technology | GSM |
| 2G bands | GSM 900 / 1800 |
| | Predictive text input Organizer |
| GPRS | Class 8 |
| EDGE | No |
| Announced | 2005, November |
| Status | Discontinued |
| Dimensions | 102 x 46 x 17.6 mm, 75 cc (4.02 x 1.81 x 0.69 in) |
| Weight | 85 g (3.00 oz) |
| SIM | Mini-SIM |
| Type | Removable Li-Ion 820 mAh battery |
| Size | |
| Resolution | 128 x 128 pixels, 1:1 ratio |
| Card slot | No |
| Phonebook | Yes |
| Call records | 10 dialed, 10 received, 10 missed calls |
| Internal | 1.5MB |
| Loudspeaker | Yes |
| Alert types | Vibration; Polyphonic(32) ringtones |
| 3.5mm jack | No |
| WLAN | No |
| Bluetooth | No |
| GPS | No |
| Radio | No |
| USB | No |
| Sensors | |
| Messaging | SMS, EMS, MMS |
| Browser | WAP 1.2.1 |
| Games | Yes + downloadable |
| Java | Yes, MIDP 1.0 |
| Stand-by | Up to 270 h |
| Talk time | Up to 5 h |
| Colors | Anthracite, Ruby Red |