P.S. I see now that my mi 5 is ok, that the post i read is old . Anyway it is here : "http://forum.xda-developers.com/mi-5/development/recovery-twrp-xiaomi-mi-5-t3412123"
here too.
"https://tapatalk.com/topic/3436516-3793"
So the latest TWRP already fixed otg