Redmi note 4x bricked on bootloader locked with fastboot command - Xiaomi Redmi Note 4 Questions & Answers

Hello!
Today i was trying to return to factory conditions on my mido (recovery, ROM, bootloader, etc) but i locked the bootloader with "fastboot oem lock" instead of doing it with miunlock.
Now i am unable to flash anything, from fastboot roms, to custom recoveries, to anything.
Is there any way i can try and revive my device? I tried using miflash, unlocking again with miunlock, all to no avail.
Thanks in advance,
Carlo

Try this
Boot into bootloader and then connect to pc install mi flash tool and then after downloading rom click on clean and lock

Solved by using miunlock version at this link http<colon><slash><slash>en<dot>miui<dot>com<slash>forum<dot>php?mod=redirect&goto=findpost&ptid=204866&pid=
I unlocked the bootloader succesfully (amazingly!), flashed the fastboot rom with miflash and phone revived!
Hope this can be helpful to people with my same problem!

Related

CM13 bootloader issue

I have version 0323 of this rom http://forum.xda-developers.com/one.../rom-cyanogenmod-13-x-oneplus-x-onyx-t3279784 installed and I dont have custom recovery flashed I just boot into TWRP whenever I need to. Today I decided to flash 4K camera mod, but when I tried to boot into TWRP and abd said this (see picture). I've used a lot of different roms before this one and i've never had any problems with this.
It is a unoffical CM13 rom and I have unlocked my bootloader with fastboot oem unlock command and I have checked enable OEM unlock in the developer options. So should I try to unlock bootloader again?
Your bootloader is obviously locked. Try and see if you can unlock it via fastboot.

Unable to enter Recovery Mode even though officially unlocked

Hi,
I have unlocked my bootloader officially through the unlock tool and wanted to flash a custom recovery and also root my device (Redmi Note 3 - Snapdragon).
I was on Global Dev (6.5.19) before I even started to unlock my bootloader.
After unlock, I was succesffuly able to flash Cofface TWRP recovery through fastboot (well the command prompt didn't throw up any errors and had a success message).
However, when i reboot into recovery (either through button combination or "adb reboot recovery", I just get a screen that shows an image of a phone and USB cable" (similar to the image on the official bootloader unlock tool.
I checked whether the bootloader was unlocked (fastboot oem device-info) and it was indeed unlocked.
I have factory reset and reflashed 6.5.19 (Global dev rom) with MiFlash and this hasn't made any difference.
I also relocked the bootloader with MiFlash Beta and then unlocked successfully with the official unlock tool.
All of these steps still haven't made a difference.
Can someone please advise on the next step to do (as unlocked bootloader is pretty useless if I can't install a custom recovery).
P.S. I also get the same phone and usb cable image when booting into stock recovery
find it weird problem
if you dont,then first just boot the recovery
code:- fastboot boot xxxrecovery.img where xxxrecovery replace your own recovery img name in fastboot folder.
you must success and see twrp recovery
then again transfer img to sdcard and to flash from recovery.
then flash it from recovery and when you reboot ,just swipe to diseable rom to replace it with stock one.
find it really weird ,i did it hundredths of time in my offi unlocked and every time goes fine flashing recovery from fastboot
Hit thanks if i helped
please follow this... it does help for me.
http://forum.xda-developers.com/showpost.php?p=67636917&postcount=32
Thanks very much! These instructions solved my issue
mra1n1 said:
Thanks very much! These instructions solved my issue
Click to expand...
Click to collapse
I have the same problem .How u solved your problem?
You can easily flash this one ZCX Twrp. Is the best i didn`t encountered any issue until now. I`ve flashed custom roms and miui roms as well.. The install process is very simple, follow this one https://forum.xda-developers.com/redmi-note-3/how-to/zcx-twrp-install-twrp-flash-supersu-t3462448

Locking and unlocking bootloader on stock ROM&Recovery

Hi!
What happens if you don't have permission to unlock bootloader and you still try to do it using fastboot oem unlock on Xiaomi Phones?
I have already got the permission and I've rooted my phone, so I didn't really try it because I was simply afraid. Has anybody tested that?
Also, if I relock my bootloader again using fastboot oem lock, will I be able to unlock it using fastboot oem unlock or will I have to use MI tool?
Aaaand the last question - I haven't installed custom rom or TWRP - I booted TWRP using fastboot boot xxx.img, then installed SuperSU package. Is it dangerous to lock bootloader with phone rooted? Recovery is still stock, so ....

How to lock bootloader of Redmi note 7 pro?

I had unlocked my bootloader to root my phone. Now that I want to sell my phone, I have to re lock the bootloader. I have tried relocking it by downloading the fastboot ROM and flashing it via Mi Flash 2018.11.15.0 but get "Flash antirbpass error"
Also fastboot getvar anti returns anti:1.

Bootloader locked itself after a small unplug

Hi, so several months ago i installed MIUI 12 weekly to my Xiaomi Mi A3, and now I wanted to upgrade to the stable release. When i was flashing a boot image file, after restart, my twrp dissapear. I tried to flash the rom using Mi Flash on PC, but i touched the cable and the phone disconnected, locking the bootloader in the process. I have no OS, my bootloader is locked. Is my phone truly dead?
I also forgot to uninstall Magisk root from my phone, so it's my full mistake. adb doesn't recognize my phone. I can only turn on the phone, leave it on boot until the battery drains, or the fastboot. Is there any chances that I can save my phone?
did you tray loading twrp when you are in fastboot mode?
gorankx said:
did you tray loading twrp when you are in fastboot mode?
Click to expand...
Click to collapse
I lost my twrp because i flashed the boot.img image from an rom.
try flashing new twrp when in fastboot mode or flash boot.img
gorankx said:
try flashing new twrp when in fastboot mode or flash boot.img
Click to expand...
Click to collapse
I can't. It says i cannot flash while in Lock State. Basically i can't do anything without unlocked bootloader.
well unlock it, you have 2 comands to put.
fastboot flashing unlock
fastboot flashing unlock_critical
FAILED (remote: Token Verify Failed, Reboot the device) after i used the commands you told me.
What should I do next?
And Mi Unlock tool can't unlock the device, because I need to change some settings in Developer Options, and I have no rom.
did you try switching slots?
fastboot getvar current-slot
Getvar Variable not found
f###,
then only some recovery option with
mi tools.
Download mi a3 platform tool file then download fastboot and fastboot unlock critical file paste these both in platform tool folder then plug device through fastboot to pc then first click on fastboot unlock and then fastboot unlocking critical it will be unlocked then install the rom through mi flash

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