Controls
D Pad
Separated CrossLower placement
Separated CrossUpper placement
Analogs
Dual touchpadsLower placement
Single slidepadLower placement
Face Buttons
4 Buttons
4 Buttons
Shoulder Buttons
L1, R1
L1, R1
Extra Buttons
Power, Volume +-, Back, Home, Menu x2, Search
Volume +-, Music Settings, Brightness, Home, Wireless LAN Switch
Sensors
Accelerometer, digital compass, front & rear cameras, microphone, proximity
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Connectivity
Connectivity
2G GSM, 3G HSPA, 802.11b/g/n WiFi, Bluetooth 2.1, GPS, USB OTG
802.11b WiFi, USB Mini (2.0), IRDA
Video Output
Only on developer unit
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Audio Output
3.5mm Headphone
3.5mm Headphone
Speaker
Dual StereoRear facing
Dual StereoBottom facing