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Unlocked/locked LineageOS Redmi Note 8 - "The system has been destroyed"

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ossook

Member
Jul 24, 2021
5
0
Hello everyone,

I'm new here and I'm looking forward to reading your answers about my problem.

In 2018, I successfully installed LineageOS 17.1 in an unlocked Redmi Note 8. But I have accidentally locked it again using the terminal line "fastboot oem lock".

The fastboot mode is still available but I can't flash anything with fastboot or Xiaomi MiFlash tool (snapshot 1).

- MiFlash : error: Writing "xbl" FAILED (remote: 'Flashing is not allowed in Lock State').

Annotation 2021-07-24 120411.png


So I tried to unlock it again using Xiaomi Unlock tool (following this tutorial) but it doesn't work (snapshot 2). I can't get access and modify the phone Settings.

- Mi Unlock Tool: "Please add your account in MIUI's settings".

Annotation 2021-07-24 121403.png


Do you have any clue to fix this problem?

Thanks in advance !
 

Kenora_I

Senior Member
Jun 12, 2021
1,275
3
280
Ireland
Redmi 7A
Samsung Galaxy A21s

Boot Redmi Note 8 Into EDL 9008 Mode:​

Redmi Note 8 EDL Mode PINOUT Redmi Note 8 Test Points


  • Power off the device if possible.
  • Open back cover of dead Redmi Note 8 . [You may do Google to tear down Redmi Note 8 at home]
[Be careful at the time of removing back cover of the device and make sure you are not going to damage any hardware of the device]

  • Once you are able to remove back cover, disconnect the battery connector first. Battery not required for EDL mode.
  • Now remove the black tape to visible the edl points of .
IMPORTANT: Most of the other Xiaomi phone’s edl mode points are visible but inRedmi Go it comes in hidden mode. Reasons are not disclosed by Xiaomi. But you can visible these test points by removing the black tape. After removing the black tape you can see two test points easily.

  • Now EDL mode or Xiaomi Redmi Go edl test points are in front of you. And you can use them to install the firmware on Redmi 7 without unlocking the bootloader.
 

ossook

Member
Jul 24, 2021
5
0
Thanks for your tips. The first doesn't work:

fastboot oem unlock
FAILED (remote: 'Token Verify Failed, Reboot the device')
fastboot: error: Command failed

I'll try the EDL mode.
 

ossook

Member
Jul 24, 2021
5
0
I tried the EDL mode following this tutorial: https://forum.xda-developers.com/t/...ight-turns-on-for-a-second-using-edl.4228641/

I've disconnected the battery and shorted the 2 pins to get into EDL mode. But when I connect the phone (first without then with the battery connected) to my computer with the USB cable, Windows doesn't recognize it. No sound is triggered.

The phone is recognized in fastboot mode and I tried to use QFIL anyway. I got the Sahara protocol fail.

Any clue?

Annotation 2021-07-24 191932.png
 

ossook

Member
Jul 24, 2021
5
0
I finally got it. I tried several times to plug and unplug the USB cable and the phone entered in EDL mode and has been recognized by Windows. I also runned QFIl several times and it finally downloaded the rom.

Thanks Kenora_I !