| Batdescription 1 | Removable Li-Ion 820 mAh battery |
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| Batsize Hl | 820 |
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| Batstandby 1 | Up to 270 h |
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| Battalktime 1 | Up to 5 h |
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| Battype Hl | Li-Ion |
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| Bluetooth | No |
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| Body Hl | 85g, 17.6mm thickness |
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| Cam 1modules | No |
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| Chipset Hl | |
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| Colors | Anthracite, Ruby Red |
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| Dimensions | 102 x 46 x 17.6 mm, 75 cc (4.02 x 1.81 x 0.69 in) |
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| Displayres Hl | 128x128 pixels |
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| Displayresolution | 128 x 128 pixels, 1:1 ratio |
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| Displaysize | |
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| Displaysize Hl | |
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| Displaytype | CSTN, 65K colors |
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| Edge | No |
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| Featuresother | Predictive text input
Organizer |
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| Gprstext | Class 8 |
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| Gps | No |
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| Internalmemory | 1.5MB |
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| Memoryslot | No |
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| Modelname | Siemens A31 |
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| Net 2g | GSM 900 / 1800 |
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| Nettech | GSM |
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| Os Hl | Feature phone |
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| Radio | No |
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| Released Hl | Released 2005, November |
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| Sensors | |
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| Sim | Mini-SIM |
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| Status | Discontinued |
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| Storage Hl | 1.5MB storage, no card slot |
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| Usb | No |
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| Videopixels Hl | No video recorder |
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| Weight | 85 g (3.00 oz) |
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| Wlan | No |
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| Year | 2005, November |
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