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Mi MIX 3/Mi MIX 3 5G

[Q & A] Mi Mix 3 5G play store crashed a few times then it went off, now it won't turn on/charge.

2021-09-17 00:42:10
302 2
I have had my Mi Mix 3 5g for a number of years. It was working absolutely fine until.. it started having a few 'google play has stopped responding' type errors popped up in a row, and then the phone went off.
It now:
  • no longer lights up when plugged in (i.e. no leds)
  • can't be turned on (have tried leaving it plugged in for several hours then power switch, also leaving it unplugged several hours as well)
  • can't get to fastboot/reset (power switch + volume up) or (power switch + volume down)
  • Connecting it to the PC detects it as 'Qualcomm HS-USB QDloader 9008' under ports (com3) in device manager.

It was completly stock and no funky business had been done.


I tried Xiaomi support, but they couldn't help. I asked for a repair quote but also havn't recevied one.

Is the phone dead dead? why did it just stop? can it be fixed? A quick google suggests deep flashing (EDL mode) and stuff like that might be possible.. but it is a bit beyond me.
2021-09-17 00:42:10
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Super moderator

Torlyn | from app

#1

Ok, I would recommend to NOT charge it for now. I will ask our ROM specialist to jump in,it's his area of expertise. But that doesn't sound immensely promising TBH.
2021-09-17 05:49:43

Super moderator

Sudd1976 | from app

#2

Hello,<br>
sorry to hear about your phone, it can be brought back to life but it's not easy.<br>
As you have said in your post you will have to try the EDL testpoint method to unbrick it as a last resort.<br>
First I would try to flash the device using MIflash tool as this is a simple process and doesn't mean having to open the device.
if you need any help please drop me a PM<br>
2021-09-17 15:47:23
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