| Local Name | Allegro |
| Additional Information | Also known as Acer W4, Acer M310 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 900 / 2100 | HSDPA 850 / 1900 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2011, October |
| Status | Available. Released 2011, November |
| Dimensions | 116 x 59 x 13 mm (4.57 x 2.32 x 0.51 in) |
| Weight | 126 g (4.44 oz) |
| SIM | Mini-SIM |
| Display Type | TFT capacitive touchscreen, 16M colors |
| Screen Size | 3.6 inches (~53.9% screen-to-body ratio) |
| Resolution | 480 x 800 pixels (~259 ppi pixel density) |
| Mulitouch | Yes |
| OS | Microsoft Windows Phone 7.5 Mango |
| Chipset | Qualcomm MSM8255 Snapdragon |
| CPU | 1 GHz Scorpion |
| GPU | Adreno 205 |
| Card Slot | No |
| Internal Memory | 8 GB |
| Primary Camera | 5 MP, 2592 х 1944 pixels, autofocus |
| Camera Features | Geo-tagging |
| Video | Yes |
| Secondary Camera | No |
| Alert Types | Vibration, MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, DLNA |
| Bluetooth | v2.1, A2DP, EDR |
| GPS | Yes, with A-GPS |
| Radio | No |
| USB | microUSB v2.0 |
| Sensors | Accelerometer, proximity, compass |
| Messaging | SMS (threaded view), MMS, Email, Push Email |
| Browser | HTML5 |
| Java | Yes |
| Features Summary | MP3/WAV/WMA/eAAC+ player, MP4/WMV/H.264 player, Document viewer, Voice memo, Predictive text input |
| Battery | Li-Ion 1300 mAh battery |
| Talk Time | Up to 6 h |
| Colors | Black, White |