For those who had hardbricked your mi5, there are two ways to recover it.
One with a DIY usb cable, here, two tutorials how to make one:
h t t p : / / w w w . a l e g r e c o m p r a . c o m / b l o g / t a g / x i a o m i -mi5-edl-flash-cable/
h t t p : / / e n . m i u I . c o m / t h r e a d -310325-1-1.html
Other way it's open your mi5 and bypass the motherboard like in this video
h t t p s : / / w w w . y o u t u b e . c o m / watch?v=ED96PJ-qYMM
Can't post links until I have 10 messages, please copy addresses and remove spaces.
Hope all of you can recover your mi5