descargando para probar ,
link original: http://forum.xda-developers.com/xper...ws521-t2827883
y este link es el oficial de xiaomi.eu
link original: http://xiaomi.eu/community/threads/4-7-25.25078
--------------------------Install GUIDE-------------------------------------------
1-Download Zip.
2-Reboot in to recovery.
3- If you come from other roms Choose (clean to install new rom(wipe system, data, chache, dalvik)
4-Choose install zip from SDCard.
5-Choose the file to flash.
6- When aroma is prompted choose your bootloader version(LB/UB and Sony VERSION C6603 / C6602).
After flash finish Reboot.