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Network	Technology	GSM / HSPA
	2G bands	GSM 850 / 900 / 1800 / 1900
	3G Network	HSDPA 900 / 1900 / 2100
		HSDPA 850 / 1900 / 2100 - XPERIA X1a
	Speed	HSPA 7.2/2 Mbps
	GPRS	Class 10
	EDGE	Yes

Launch	Announced	2008, February. Released 2008, October
	Status	Discontinued

Body	Dimensions	110.5 x 52.6 x 17 mm (4.35 x 2.07 x 0.67 in)
	Weight	145 g (5.11 oz)
	Keyboard	QWERTY
	SIM	Mini-SIM
		- Optical trackpad

Display	Type	TFT resistive touchscreen, 65K colors
	Size	3.0 inches, 25.6 cm2 (~44.1% screen-to-body ratio)
	Resolution	480 x 800 pixels, 5:3 ratio (~311 ppi density)

Platform	OS	Microsoft Windows Mobile 6.1 Professional
	Chipset	Qualcomm MSM7200
	CPU	528 MHz ARM 11

Memory	Card slot	microSD (dedicated slot)
	Internal	256 MB RAM, 512 MB ROM

Main Camera	Modules	3.15 MP, AF
	Features	LED flash
	Video	480p@30fps

Selfie Camera	Modules	Videocall camera
	Video

Sound	Loudspeaker	Yes
	3.5mm jack	Yes

Comms	WLAN	Wi-Fi 802.11b/g
	Bluetooth	2.0, A2DP
	GPS	Yes, with A-GPS
	Infrared port	No
	Radio	Stereo FM radio, RDS
	USB	miniUSB 2.0

Features	Sensors
		- MP3/AAC/MP4 player - Pocket Office - Photo editor - Organizer - Predictive text input - Voice memo/dial

Battery		Removable Li-Po 1500 mAh battery (BST-41)
	Stand-by	Up to 833 h (2G) / Up to 640 h (3G)
	Talk time	Up to 10 h (2G) / Up to 6 h (3G)

Misc
	Colors	Solid Black, Steel Silver
	SAR EU	0.57 W/kg (head)
	Price	About 220 EUR

Tests	Loudspeaker	Voice 75dB, noise 66dB, ring 82dB
	Audio quality	Noise -93.2dB / Crosstalk -96.3dB