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[Q & A] [RESOLVED] MI Unlock Tool cannot detect phone

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04:42, Aug-27-2017 | From PC
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Go to reply no.
This post was edited by hexerus at 10:06, Aug-28-2017

Issue Resolved. See post #6 for solution.

Hi guys, I have Redmi Note 4 Qualcomm Global variant with MIUI Global 8.5 | Stable 8.5.4.0 (NCFMIED). I want to unlock the bootloader but MI Unlock Tool (v2.3.803.10) cannot recognize the phone (connected in fastboot mode). I have gotten the permission to unlock. I'm running Win 10 x64 Creator's Update build 15063.
I've tried v2.2 of the tool and encountered same problem. Tried multiple drivers, plugging phone in/out. Running "fastboot devices" command shows the device is connected. Tried installing Mi Driver that come with the tool, its setup says it's installed but the unlock tool says it isn't. Really confused right now.
Any suggestion appreciated.

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 Author| 10:01, Aug-28-2017 | From PC
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This post was edited by hexerus at 10:03, Aug-28-2017

I finally resolved the issue. Here's a short guide of how I did it.
Note: I have Mi Unlock tool version 2.3.803.10 (latest as of now). I'm on Windows 10 x64 build 15063.

1. Extract the zipped archive of MI Unlock tool to the root of your system drive, like C:\any_folder. I extracted it to C:\unlock, so the path of the tool's executable became "C:\unlock\miflash_unlock.exe"

2. Run MiUsbDriver.exe from the folder with as administrator and click "Install". Make sure it says "Driver installed" after that. If it already says that, hit install again just to make sure. Click "Retesting" to see if it remains the same. Close the program after.

3. Put your device into fastboot mode (make sure to turn on USB debugging and OEM unlocking in the developer options), and connect it through USB 2.0 port. (I don't know if 2.0/3.0 makes a difference but if you have 2.0 available, use it).

4. Go to device manager. Expand "Android Phone", right click "Android Bootloader Interface" and click properties. Click on "Driver" tab. See if the driver provider is "Xiaomi Technology, Inc.", driver date is "11/3/2016", and driver version is "16.0.0.0".
IF it's not, then close the properties window, right click android bootloader interface and click "Update driver".  Click "Browse my computer for driver..." then "Let me pick from a list ...". Uncheck "Show compatible hardware", click "Xiaomi Technology, Inc." from the left side, then "Android Bootloader Interface" from the right and click next. After it's installed, check the properties to make sure it says what I mentioned above.

5. Go to unlock tool folder. Go to driver\win10 folder, right click android_winusb.inf and click install. You'll get operation completed successfully message.

6. Go back to unlock folder and run the tool as administrator. Now before clicking agree, click on the settings gear on the top right corner. Make sure MI Usb Driver says "Already installed". This is really important. Otherwise IT WON'T WORK. If it doesn't say that check previous steps and make sure your didn't miss any. Beyond that I have no idea.

7. Now you're good to go. Click agree, sign in and voila, your phone shall be connected, ready to unlock.

Thanks.

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billpower + 2 Thanks for sharing this solution!
TinaSchulz + 2 Great!
Barreeeiroo + 1 Thanks!
Dobu2 + 1 Fantastic!
syhrlll + 1 Fantastic!
sawan1980 + 1 Fantastic!
Muz_paray + 10 Great!

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01:33, Mar-16-2018 | From PC
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I dont know how to thank you m8! WARNING TO ALL OF YOU that you want to unlock. Copy the folder that unlocker is installed and copy it under the C:/ directory ( where program files etc.. are)  LOCATION MATTERS! Wasted 2 hours of my life for this.

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emmagine79 OMG, this saved me too after wasting my time for 2 hours. Thank you!  18:02, Jul-18-2018

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emmagine79 + 2 Awesome!

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11:59, Aug-27-2017 | From PC
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Hello,

What error are you getting?

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 Author| 01:48, Aug-28-2017 | From PC
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Muz_paray replied at 2017-8-27 11:59
Hello,

What error are you getting?

Thanks for replying. I'm getting this screen:

Tried many drivers, disabled driver signature enforcement,still the same. Even MiFlash detects the phone (in fastboot mode) but not Mi Unlock tool.

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02:00, Aug-28-2017 | From PC
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hexerus replied at 2017-8-27 23:18
Thanks for replying. I'm getting this screen:

Tried many drivers, disabled driver signature enfor ...

Are you using Anti Virus or Firewall?

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 Author| 02:05, Aug-28-2017 | From PC
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Muz_paray replied at 2017-8-28 02:00
Are you using Anti Virus or Firewall?

I have no 3rd party AV installed. Just Windows Defender, which I turned off. I didn't disable firewall, assumed it being not applicable in this scenario.

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21:43, Sep-23-2017 | From PC
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hexerus replied at 2017-8-28 10:01
I finally resolved the issue. Here's a short guide of how I did it.
Note: I have Mi Unlock tool vers ...

Thank you sir

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02:09, Nov-13-2017 | From PC
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hexerus replied at 2017-8-28 10:01
I finally resolved the issue. Here's a short guide of how I did it.
Note: I have Mi Unlock tool vers ...

Thank you so much, this tutorial saved me.
ive been trying to unlock my phone for months with all the convaluted instructions  found in other forums.

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01:16, Nov-14-2017 | From PC
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Doesn't work for me

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19:18, Dec-09-2017 | From PC
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press volume DOWN + Power button to start fastboot mode

many user runs recovery mode by presing volume UP + Power button

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