Samsung A657
| Network | 2G 3G | GSM 850 / 900 / 1800 / 1900 HSDPA 850 / 1900 |
| Size | Dimensions Weight Display | 115 x 52 x 19.5 mm 123 gram TFT, 256K colors 176 x 220 pixels, 1.9 inches (~148 ppi pixel density) |
| Memory | Phonebook Call records Internal Card slot | 1000 entries, Photocall Yes 128 MB microSD, up to 8 GB |
| Data | GPRS EDGE 3G WLAN Bluetooth Infrared port USB | Class 10 (4+1/3+2 slots), 32 - 48 kbps Class 10, 236.8 kbps HSDPA, 3.6 Mbps v2.0 with A2DP microUSB v2.0 |
| Features | OS CPU Messaging Ringtones Browser Radio GPS Games Camera Video Colors Java | SMS, MMS, Email Vibration; polyphonic(72), MP3 ringtones WAP 2.0/xHTML Yes Black MIDP 2.0 - Loudspeaker - Dust, shock and splash resistant - Flashlight - Wallpapers - MP3/eAAC+/WMA player - MP4/H.263 player - Push to Talk - Organizer - Voice memo - Stopwatch - Predictive text input - Clock - Calendar - Alarm |
| Battery | Stand-by Talk time | Standard battery, Li-Ion 1420 mAh Up to 250 h Up to 3 h |
Image: http://www.unwiredview.com/2009/04/10/rugged-samsung-a657-introduced-by-att/