Thanks for your help @werewolf2 ,
Of course i tried to change the charger and the usb cable.
The problem come definitively from the motherboard. An phone reparator confirmed.
My question was can i do something to repare the phone or should i buy a new one ?
Hi @werewolf2 , thanks for your answer.
Unfortunatly my phone was bought on the refurbished market and it is no more under warranty.
How can could "OEM unlock" and flash another ROM my phone while it does not work (impossible to turn on the phone, phone not recognize by the computer, etc.)...
My mi 9 does not turn on. The phone has'nt suffered any shock or oxydation. A reparator said the motherboard is dead, they can't do anything for me.
Is it possible to change the motherboard of a mi 9 ? Who can do it ? What is the price for this operation ? Should I buy a new phone...
I can't restart My Xiaomi Mi 9 for two weeks now, and the FastBoot's methods don't work.
However, I can still turn my phone back on after it runs out of battery. The phone works normally but turns off automatically after a while (a few minutes to several hours). And I have to wait until the...