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Slide-out QWERTY X2 is probably still a little cornered characterize X1. However, if the note further, the type of key used by Sony Ericsson XPERIA X2 more similar with the computer keyboard. X2 superior features include 3.5 WVGA OLED display, GPS, accelerometer, 8.1 MP autofocus camera, VGA 30fps video recorder, the processor is faster than the X1, 512 RAM, the XPERIA panel has been modified to support remote play PS3, and the ability to upgrade to OS Windows Mobile 7. But, the specification of Sony Ericsson XPERIA X2 is still a rumor, so that the data likely will be different from the final version.