Me acaban de responder en spellpmell
Thanks for your patience
as the lastest muti-language rom can solved the problem for xiaomi mix 5
please check the rom link and manual to flash new rom for your phone ,the whole process will takes about 5 minutes
xiaomi mi5x rom and manual link :
https://mega.nz/#!Yypx3ZII!GZFGmgCjO...lMog-Ial-FsjSo
Flash tool link:
https://mega.nz/#!tjRAnT7A!b_hE7lx9g...LCatozTilpd1m0
any questions ,please come back to us asap,thanks
Yo voy a intentar probarlo, si alguien mas lo intenta, ir contando vuestras experiencias.
Suerte compaņeros.