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Network	Technology	GSM
	2G bands	GSM 900 / 1800 / 1900
		GSM 850 / 1800 / 1900 - Sony Ericsson T637
	GPRS	Class 8
	EDGE	No

Launch	Announced	2003, Q4
	Status	Discontinued

Body	Dimensions	102 x 43 x 17 mm (4.02 x 1.69 x 0.67 in)
	Weight	92 g (3.25 oz)
	SIM	Mini-SIM

Display	Type	TFT, 65K colors
	Size	1.78 inches, 10.0 cm2 (~22.7% screen-to-body ratio)
	Resolution	128 x 160 pixels (~115 ppi density)
		Wallpapers, screensavers

Memory	Card slot	No
	Phonebook	8 fields, 510 items, Photo call
	Call records	30 received, dialed and missed calls
	Internal	2MB
		300 organizer entries

Main Camera	Modules	CIF
	Video	No

Selfie Camera	Modules	No

Sound	Loudspeaker	No
	3.5mm jack	No

Comms	WLAN	No
	Bluetooth	1.0b
	Positioning	No
	Infrared port	Yes
	Radio	No
	USB	Proprietary

Features	Sensors
		Predictive text input Organizer Voice memo

Battery	Type	Removable Li-Po 750 mAh battery
	Stand-by	Up to 315 h
	Talk time	Up to 14 h

Misc
	Colors	Frosty Silver, Black
	SAR	1.18 W/kg (head)     0.75 W/kg (body)
	SAR EU	0.73 W/kg (head)