GENERAL 2G Network GSM 850 / 900 / 1800 / 1900 3G Network HSDPA 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - XPERIA X1a Announced 2008, February Status Available. Released 2008, October SIZE Dimensions 110.5 x 52.6 x 17 mm Weight 145 g DISPLAY Type TFT resistive touchscreen, 65K colors Size 800 x 480 pixels, 3.0 inches - Full QWERTY keyboard - Optical trackpad SOUND Alert types Vibration; Downloadable polyphonic, MP3 ringtones, composer Speakerphone Yes - 3.5 mm audio jack MEMORY Phonebook Practically unlimited entries and fields, Photocall Call records Practically unlimited Internal 256 MB RAM, 512 MB ROM Card slot microSD, buy memory DATA GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps EDGE Yes 3G HSDPA, 7.2 Mbps; HSUPA, 2 Mbps WLAN Wi-Fi 802.11b/g Bluetooth Yes, v2.0 with A2DP Infrared port No USB Yes, v2.0 miniUSB CAMERA Primary 3.15 MP, 2048x1536 pixels, autofocus, LED flash Features Touch focus Video Yes, VGA@30fps Secondary Videocall camera FEATURES OS Microsoft Windows Mobile 6.1 Professional CPU Qualcomm MSM 7200 528 MHz processor Messaging SMS (threaded view), MMS, Email, Push email, IM Browser WAP 2.0/HTML (IE), RSS feeds Radio Stereo FM radio with RDS Games Yes + downloadable Colors Solid Black, Steel Silver GPS Yes, with A-GPS support Java Yes, MIDP 2.0 - MP3/AAC/MP4 player - Pocket Office (Word, Excel, PowerPoint, OneNote, PDF viewer) - Picture editor/blogging - Organizer - T9 - Voice memo/dial BATTERY Standard battery, Li-Po 1500 mAh (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)