Hello, this is weekly rom, therefore you have toinstal previous miui 8 weekly. You can instal it but before instalation You have to do wipe chache, Dalvik, system and data. You will lose all apps instaled.
Hello
I have some videos in my channel of Youtube explaning how to update mi4c from android 5.1 to android 7. You can check it in . If you want to change the recovery with ADB follow this