http://xperia-x1.com/xperia-x1-must-have-apps/

http://www.inxperia.com/forums/apps/365-recommendable-applications.html

http://whirlpool.net.au/wiki/?tag=xperia_guide_software

http://www.erummunir.com/431/windows-mobile-61-softwares-for-sony-ericsson-xperia-x1

http://xperia-x1i.handster.com/software.php?id=2254&for=Xperia+X1i

www.ab-archive.com/search.php?kw=call...for_xperia

http://www.visser.com.au/blog/software-install-sony-ericsson-xperia-x1/