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Sony also promises that the Android 4.3 update is "right around the corner" for the rest of its Xperia lineup.
The Xperia Z1 is arguably Sony's most accomplished smart phone to date so if you're one of the lucky individuals who own one, you'll want to know how best to exploit its power.
A limited-time promotion sees Sony giving away hundreds of dollars worth of movies, music, and apps for the Xperia Z1, Z1S, and Z2.
The company says that the devices will run KitKat as standard and include some updates to native apps.
The BlackBerry Messenger app on your iPhone or Android phone is finally out -- click here for the official link to download the BBM app.
Get to know 20 lesser-known iOS features you somehow survived without until now.
The Xperia Z1F is a sawed-off version of Sony's waterproof flagship Android smartphone, with a 4.3-inch screen instead of a 5-incher.
The Sony Xperia Z1 gets that shrinking feeling with a new, smaller version officially announced in Japan.
People who own older versions of Apple's iDevices are being offered a chance to grab the most recent version compatible with their operating system.
Sony's Xperia Z Ultra Google Play Edition flaunts an enormous 6.44-inch screen, fast processor, and stock Android 4.4 KitKat.