Display

Type: TFT, 256K colors
Size: 1.9 inches (~30.9% screen-to-body ratio)
Resolution: 144 x 176 pixels (~120 ppi pixel density) - Downloadable wallpapers and tones

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

Memory

Card slot: microSD, up to 8 GB
Phonebook: 1000 entries, Photocall
Call records: 30 dialed, 30 received, 30 missed calls
Internal: 50 MB

Battery

-: Li-Ion 800 mAh battery
Stand-by: Up to 350 h
Talk time: Up to 4 h

Network

Technology: GSM / UMTS
2G bands: GSM 850 / 900 / 1800 / 1900
3G bands: UMTS 850 / 1900
Speed: Yes, 384 kbps
GPRS: Class 10
EDGE: Class 10

Launch

Announced: 2008, October
Status: Discontinued

Camera

Primary: 1.3 MP, 1280 x 1024 pixels
Features: Video-calling
Video: Yes
Secondary: No

Sound

Alert types: Vibration; Downloadable polyphonic, MP3 ringtones
Loudspeaker: No
3.5mm jack: No

Comms

WLAN: No
Bluetooth: v2.0, A2DP
GPS: No
Radio: No
USB: Yes

Features

Messagingи: SMS, EMS, MMS, Email
Browser: WAP 2.0/xHTML, HTML
Games: Yes + Downloadable
Java: Yes, MIDP 2.0 - AT&T Navigator - MP3 player - Video player - Organizer - Voice memo - Built-in speakerphone - Predictive text input

Misc

Colors: White
SAR US: 1.28 W/kg (head) 0.60 W/kg (body)
Price group: 2/10 (About 80 EUR)

Samsung A637 / Specification