Samsung A637 specification and features

MobileSamsung A637 specification and features NetworkTechnologyGSM / UMTS2G bandsGSM 850 / 900 / 1800 / 19003G bandsUMTS 850 / 1900SpeedYes, 384 kbpsLaunchAnnounced2008, OctoberStatusDiscontinuedBodyDimensions86 x 43 x 20 mm (3.39 x 1.69 x 0.79 in)Weight92 g (3.25 oz)SIMMini-SIMDisplayTypeTFT, 256K colorsSize1.9 inches, 11.4 cm2 (~30.9% screen-to-body ratio)Resolution144 x 176 pixels (~120 ppi density) Downloadable wallpapers and tonesMemoryCard slotmicroSDHC (dedicated slot)Phonebook1000 entries, PhotocallCall records30 dialed, 30 received, 30 missed callsInternal50MBMain CameraSingle1.3 MPVideoYesSelfie camera NoSound LoudspeakerNo 3.5mm jackNoCommsWLANNoBluetooth2.0, A2DPGPSNoRadioNoUSBProprietaryFeaturesSensorsMessagingSMS, EMS, MMS, EmailBrowserWAP 2.0/xHTML, HTMLGamesYes + DownloadableJavaYes, MIDP 2.0 AT&T Navigator
MP3 player
Video player
Organizer
Voice memo
Built-in speakerphone
Predictive text inputBatteryTypeRemovable Li-Ion 800 mAh batteryStand-byUp to 350 hTalk timeUp to 4 hMiscColorsWhiteSAR1.28 W/kg (head)     0.60 W/kg (body)