How to unlock bootloader without official permission - Xiaomi Redmi Note 4 Questions & Answers

Xiaomi won't give me permission to unlock the bootloader for some reason. Is there a way to unlock it without their official sanction?

Unfortunately, NO...

What reason should I give for unlocking my bootloader? They rejected my request when I said I wanted to install developer software

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[Q] Sim Unlock/Bootloader Unlock

Hello everyone. I just purchased an HTC One on AT&T. I want to root it, which from everything I have heard, means that I have to unlock the bootloader. I have no interest in flashing custom ROMS, I just want to use root apps like Titanium Backup and Wireless tether. If anyone knows about an exploit that allows for root without bootloader unlock, please let me know.
I also want to unlock the SIM/carrier lock via an unlock code. What I want to know is:
Should I do the SIM unlock first, then the bootloader unlock? Or the other way around?
Once the SIM/carrier lock is removed, will the bootloader unlock process have any effect on it?
Thank you,
Nick
Motochopper supposedly will root without bootloader unlock. Revone will grant s-off, allowing bootloader unlock without involving Htcdev. Sim unlock is unrelated and not affected by any of this.

Unlocked Bootloader: NO

Hi Masters!
I want to use systemless root on my Z2 but my bootloader status says 'no'. Is there a way we can turn 'no' into 'yes' like force it? Or is it possible to use systemless root even if my bootloader is locked with a stock kernel??
Thank you for your answers!
Is your phone carrier-branded?
Yes my phone is locked to a carrier? I called them to request an unlock but they refer me to a local technician to unlock. But I don't want to spend just to get it carrier-unlocked. Hopefully there is a way for me to do it on my own.
Sorrily, as of now, there is none... Spending for an unlock code would only get you carrier-unlocked...

How to Unlock FRP?

I dont have OEM options in dev menu, already rooted device and bootloader unlocked, I even installed TWRP and LineageOS - now i wanna update device but cant update TWRP because FRP is unlocked
Well, you need the OEM unlock option in the first place to lock the FRP.
As of how to do it?! I'll look in the forums and see if I come by anything

Bootloader unlock

I know that the bootloader of most, if not all, Xiaomi smartphones can be unlocked. However, in most cases, this means opening a Xiaomi account and waiting a few weeks to receive a bootloader unlock code, which can only be used by a special Windows app. I prefer to do it in Ubuntu Linux, using the default Google Android way, via a simple ADB unlock, which is possible for my current Xiaomi Android One phone, the Mi A1.
Even if there's currently no custom ROM available, I can tweak the phone by installing some custom configuration files, which is only possible if I can gain root access (not necessarily to "root" the phone for online Android apps).
I am willing to overlook the one major defect of the phone if the phone can be unlocked purely by ADB. So has anybody successfully unlocked the bootloader of the phone? Is the unlock process the same as for the Mi A1, something like "adb unlock bootloader" (not sure about the exact commands as I don't have ADB currently installed)?
This is Xiaomi Android One phone, it doesn't required an Xiaomi account or requesting unlock code...just enable Developer Option, enable OEM unlock and you can unlock the bootloader via adb...
iPusak Gaoq™ said:
This is Xiaomi Android One phone, it doesn't required an Xiaomi account or requesting unlock code...just enable Developer Option, enable OEM unlock and you can unlock the bootloader via adb...
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Thanks. I suspect that is the case. I just want to be sure Xiaomi policy hasn't changed, because I read the bootloader of most Nokia Android One phones cannot be unlocked.
Just execute this command to unlock bootloader "fastboot flashing unlock"
XaviBest said:
Just execute this command to unlock bootloader "fastboot flashing unlock"
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And second command "fastboot flashing unlock_critical" for full unlock. I used both commands for unlock my Mi A3 bootloader
Will unlocking bootloader block future OTA?
Thanks!
Goldenmeadow said:
Will unlocking bootloader block future OTA?
Thanks!
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Click to collapse
No, OTA update engine doesn't check bootloader status . But it will break Safetynet - you'll need to use Magisk or custom kernel to pass the Safetynet.

Root huawei l-21?

I am trying to unlock the bootloader but every tutorial ever says I need to get an unlock code from Huawei's own website, but the link does not exist on their website. There is no way to get the code to unlock the bootloader anymore. Is there another way than this block? If its relevant, after the unlock you flash twrp to it.

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