Hi,
I just upgraded mi4c 32gb.
First unlock BL with Xiaomi unlock.
Then upgrade twrp to 3.1.1.1 via fastboot.
Upgrade via three dots, it only started twrp!?
Then I wiped dalvik/cache and press install latest stable manually.
Wait for 10 minutes and voila...
I think its crucial to unlock BL and upgrade twrp as from reading other fails....
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