root Xperia Z1??

[elegance]

Hi every one.

how can I root my xperiaz??

build number is 14.2.a.0.290

[_alexdon_]

http://talk.sonymobile.com/t5/Xperia-Z-ZL-ZR/How-to-manually-update-downgrade-root-2013-Xperias/m-p/...