You can find out which country is for your firmware by searching your Customization Number.
You must enter in the Service Menu by pressing "*#*#7378423#*#*" (*#*#SERVICE#*#*) in the phone dialer, and after tapping "Service Info" - "Software Info".
After that, you can download from this topic: http://forum.xda-developers.com/show....php?t=2608983 "Xperia update Checker".
With that software, you can check the last firmware for a specified Customization number, but also check which country and which carrier your firmware is for!
The developers of Android, that is Google, gave users several great debugging tools that can be used in … more
17 Sep 2014
By Tomek Kondrat
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?