Hi everyone,
I want to unlock my phone too, because my Mi4C is stuck on an outdated version of the OS.
Android version: 4.4.4 KTU84P
Patch level: 2015-12-01
MIUI version: MIUI 7 by xiaomi.eu 5.12.11 Beta
In order to flash to a more up to date ROM, I'm trying to follow the instructions above...