Leaked first before the BlackBerry World 2012, the elusive BlackBerry 10 Dev Alpha has come to fruition – it is really a developers phone that will be given to all the BlackBerry World 2012 developers attendee to test all their apps out. So you won’t be getting this one sweet device people – good thing for the developers, these BlackBerry 10 Dev Alpha devices can be swap for the actual BlackBerry 10 device when it comes out on or before October this year.

CrackBerry got one in-hand and found out it boast a whooping 4.2″ touchscreen display at 1024×768 pixel resolution, which is the same resolution of the PlayBook – which puts the pixel density at over 300 DPI. Check the BlackBerry 10 Dev Alpha gallery and see the comparison with Galaxy Nexus and iPhone 4S.

BlackBerry 10 Dev Alpha Front View

BlackBerry 10 Dev Alpha Back View

BlackBerry 10 Dev Alpha SIM, microHDMI and microUSB ports

BlackBerry 10 Dev Alpha Volume Up / Down w/ a mute key in the middle

BlackBerry 10 Dev Alpha Power button and 3.5mm headset port

BlackBerry 10 Dev Alpha Bottom Part

BlackBerry 10 Dev Alpha pack 4.2″ touchscreen display and has a 1280×768 resolution

Front comparison of Samsung Galaxy Nexus, BlackBerry Dev Alpha, Apple iPhone 4S

Back comparison of Samsung Galaxy Nexus, BlackBerry Dev Alpha, Apple iPhone 4S