| Price | 0 USD |
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| Brand | siemens |
| Model | Siemens A31 |
| Status | Discontinued |
| Release Date | 2005-11 |
| RAM | |
| STORAGE | 1.5 MB |
| Memory Slot | No |
| Rear Camera | MP |
| Feature | |
| Video Recording | |
| Front Camera | MP |
| Front Video Recording |
| Network | 2G |
| USB | No |
| GPS | No |
| Bluetooth | No |
| WLAN | No |
| SIM | Mini-SIM |
| EDGE | No |
| GPRS | Class 8 |
| Speed |
| Type | Removable Battery |
| Size | 820 mAh, Li-Ion Battery |
| Charging |
| Sensors | |
| Type | CSTN, 65K colors |
| Size | inches, 128 x 128 Pixel |
| Aspect Ratio | 1:1 |
| Protection | |
| Build |
| OS | |
| Chipsets | |
| GPU | |
| CPU |
| Colors | Anthracite, Ruby Red |
| Weight | 85 g (3.00 oz) |
| Dimensions | 102 x 46 x 17.6 mm, 75 cc (4.02 x 1.81 x 0.69 in) |
| NFC | |
| 3.5mm Jack | |
| Charging | |
| Water Proof |
| Radio | No |
| Loudspeaker |