Share your experience!
how I can enter in system/build.prop ?
It require root access
http://forum.xda-developers.com/showthread.php?t=1948558
On a side note, regarding the NFC post(s), do NOT create multiple posts on the same issue/question, if you want/need inmediate help contact Sony directly
http://www.sonymobile.com/global-en/support/contact-us/
