Samsung A657 specification and features

Network
Technology GSM / HSPA
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1900
Speed HSPA 3.6/0.384 Mbps
Launch
Announced 2009, April. Released 2009, Q2
Status Discontinued
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
  Dust, shock and splash resistant
Flashlight
Display
Type TFT, 256K colors
Size 1.9 inches, 11.4 cm2 (~19.0% screen-to-body ratio)
Resolution 176 x 220 pixels (~148 ppi density)
  Wallpapers
Memory
Card slot microSDHC (dedicated slot)
Phonebook 1000 entries
Call records Yes
Internal 128MB
Camera
  No
Sound
Loudspeaker Yes
3.5mm jack No
Comms
WLAN No
Bluetooth 2.0, A2DP
GPS No
Radio No
USB 2.0
Features
Sensors
Messaging SMS, MMS, Email
Browser WAP 2.0/xHTML
Games Yes + downloadable
Java Yes, MIDP 2.0
  MP3/eAAC+/WMA player
MP4/H.263 player
Push to Talk
Organizer
Voice memo
Stopwatch
Predictive text input
Battery
  Removable Li-Ion 1420 mAh battery
Stand-by Up to 250 h
Talk time Up to 3 h
Misc
Colors Black
SAR 1.46 W/kg (head)     0.73 W/kg (body)    
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