| Hardware and OS | Motorola A3100 | |
| Operating system | Microsoft Windows Mobile 6.1 Professional | |
| Processor | 528 MHz ARM 11 | |
| Chipset | Qualcomm MSM7201A | |
| GPU | Adreno 130 | |
| Internal memory | 256 MB, 128 MB RAM | |
| External memory | microSD, up to 16 GB (dedicated slot) | |
| Display | Motorola A3100 | other phones |
| Type | TFT | |
| Size | 2.8" inc | |
| Resolution | 240 x 320 px | |
| Touchscreen | resistive touchscreen | |
| Screen-to-Body Ratio | 37.0% | |
| Display area | 24.3 cm2 | |
| Display aspect ratio | 4:3 (height:width) | |
| Pixel Density | 143 PPI | |
| Colors | 65K | |
| Other | Handwriting recognition | |
| Connectivity | Motorola A3100 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| Wi-Fi | Wi-Fi 802.11 b/g | |
| Network | GSM / HSPA | |
| SIM card | Mini-SIM | |
| Bluetooth | 2.0, A2DP | |
| Edge | Class 12 | |
| GPRS | Class 12 | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 7.2/0.384 Mbps | |
| USB | miniUSB | |
| Camera | Motorola A3100 | other phones |
| Main camera | 3.15 MP, Single | |
| Specs | 3.15 MP, AF | |
| Features | LED flash | |
| Video | Yes | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Motorola A3100 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | No | |
| Design | Motorola A3100 | other phones |
| Colors | Black | |
| Dimensions | 110 x 59.7 x 13.7 mm | |
| Weight | 119 g | |
| Battery | Motorola A3100 | other phones |
| Battery capacity | 1170 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 298 h
Talking time- Up to 6 h 48 min
| |
| Other | Motorola A3100 | other phones |
| SAR | SAR - 1.31 W/kg (head), 1.33 W/kg (body),
SAR EU - 0.93 W/kg (head) | |
| Release date | 2009, January | |
| Sensors | | |
