Root+twrp+rom multi

[thebinary]

http://xn--xiaomiespaa-beb.com/instalar-actualizar-ultima-rom-espanol-miui-xiaomi-mi4c/

[thebinary]

este si que funciona:

http://forum.xda-developers.com/mi-4c/development/flash-twrp-using-flashify-app-pc-dev-rom-t3230355