Samsung A637
⚖️92 g (3.25 oz), 86 x 43 x 20 mm thickness
💾50MB, microSDHC (dedicated slot)
1.9"
144x176 pixels
3MP
Yes
800mAh
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Network
Technology
GSM / UMTS
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
UMTS 850 / 1900
Speed
Yes, 384 kbps
Launch
Announced
2008, October
Status
Discontinued
Body
Dimensions
86 x 43 x 20 mm (3.39 x 1.69 x 0.79 in)
Weight
92 g (3.25 oz)
SIM
Mini-SIM
Display
Type
TFT, 256K colors
Size
1.9 inches, 11.4 cm2 (~30.9% screen-to-body ratio)
Resolution
144 x 176 pixels (~120 ppi density)
Downloadable wallpapers and tones
Memory
Card slot
microSDHC (dedicated slot)
Phonebook
1000 entries, Photocall
Call records
30 dialed, 30 received, 30 missed calls
Internal
50MB
Main Camera
Single
1.3 MP
Video
Yes
Selfie camera
No
Sound
Loudspeaker
No
3.5mm jack
No
Comms
WLAN
No
Bluetooth
2.0, A2DP
Positioning
No
Radio
No
USB
Proprietary
Features
Sensors
N/A
Messaging
SMS, EMS, MMS, Email
Browser
WAP 2.0/xHTML, HTML
Games
Yes + Downloadable
Java
Yes, MIDP 2.0
AT&T Navigator
N/A
MP3 player
N/A
Video player
N/A
Organizer
N/A
Voice memo
N/A
Built-in speakerphone
N/A
Predictive text input
N/A
Battery
Type
Removable Li-Ion 800 mAh battery
Stand-by
Up to 350 h
Talk time
Up to 4 h
Misc
Colors
White
SAR
1.28 W/kg (head) 0.60 W/kg (body)