سامسونج A657
سامسونج A657 | ||
 | ||
Launch | ||
| Announced | 2009, April. Released 2009, Q2 | |
| Status | Discontinued | |
Network | ||
| Technology | GSM / HSPA | |
| 2G | GSM 850 / 900 / 1800 / 1900 | |
| 3G | HSDPA 850 / 1900 | |
| Speed | HSPA 3.6/0.384 Mbps | |
| GPRS | Class 10 | |
| Edge | Class 10 | |
Body | ||
| Dimensions | 115 x 52 x 19.5 mm (4.53 x 2.05 x 0.77 in) | |
| Weight | 123 g (4.34 oz) | |
| SIM | Mini-SIM | |
Display | ||
| Type | TFT, 256K colors | |
| Size | 1.9 inches (~19.0% screen-to-body ratio) | |
| Resolution | 176 x 220 pixels (~148 ppi pixel density) | |
Memory | ||
| Card Slot | microSD, up to 8 GB (dedicated slot) | |
| Internal | 128 MB | |
Sound | ||
| Alert types | Vibration; Polyphonic(72), MP3 ringtones | |
| Loudspeaker | Yes | |
| 3.5mm Jack | No | |
Comms | ||
| WLAN | No | |
| Bluetooth | v2.0, A2DP | |
| GPS | No | |
| Radio | No | |
| USB | v2.0 | |
Features | ||
| Messaging | SMS, MMS, Email | |
| Browser | WAP 2.0/xHTML | |
| Java | Yes, MIDP 2.0 | |
Battery | ||
| Battery | Removable Li-Ion 1420 mAh battery | |
| Stand-by | Up to 250 h | |
| Talk time | Up to 3 h | |
Misc | ||
| Colors | Black | |
| SAR US | 1.46 W/kg (head)     0.73 W/kg (body)     | |