Flashtool 0.9.11.0: Pros and Cons of Using Emma to Flash Your Xperia Device
Xperia Tablet Z users, who cannot wait for the Jelly Bean update to reach their region and wish to install the same manually, may follow our guide. The firmware download link and screenshots are shared by senior XDA member, lowtraxx. The member claims that he has successfully flashed the firmware using Flashtool. The official build is only for the 16GB version of the Xperia Tablet Z LTE (SGP321). Head over to the development thread to learn more about the release.