Tagged: Bootloader Unlock
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May 18, 2020 at 9:17 PM #113628Rakshit SahuSpectator
In order to install LineageOS or TWRP or root your Redmi Note 7, you need to unlock the bootloader of your phone. In this post, I am presenting a step-by-step guide to unlock the bootloader of Redmi Note 7.
What is a Bootloader and why is it locked?
In computing, the startup process of a device is called as boot-up. During this boot-up process, the device is unusable by the user until it boots-up completely.
A boot-loader is a piece of software that loads other software(s) during the boot-up process. In Android, this bootloader is locked to make sure no-one can alter what is being loaded by this bootloader.
Usually, a user can install software only after the boot process is complete, and when the device is ready to use. So, basically the bootloader software is not something that is meant for the user but to run the device. If not secured, the user may alter the boot-up process leaving the device unusable.
Locking the bootloader ensures that the software integrity of the phone is trusted, meaning it has not been modified from the stock and hence used to provide or discard warranty, etc.
Before Unlocking the Bootloader
Once you understand what is the bootloader and want to unlock it on your Redmi Note 7 then below are the few things that you need to do first.
- 30% or more battery charge (just to be on the safe side)
- Register for Mi Account (you might have already done it on your phone or you can do it now)
- A Windows PC with an internet connection
- Download the MiFlash Unlock Tool (only available for Windows)
Now, How to Unlock bootloader on your Redmi Note 7?
- First, enable Developer Options which is hidden.
- Then enable the OEM unlocking and USB debugging options which are inside Developer Options settings.
- Add your Redmi Note 7 to the Mi Unlock Status
The Unlock status page will look like the below image when locked and when unlocked –
- Now unzip the MiFlash Unlock tool zip file that you have downloaded earlier (if not download it now and unzip) and run the MiUsbDriver.exe file to install the USB driver required for your Redmi Note 7 bootloader unlock.
- Then from the same folder run the miflash_unlock.exe program.
- Then sign-in to the Mi account.
- The tool will verify for the permissions on your Mi account and take you to the next screen where it will ask you to connect the phone to the PC.
- Boot the phone into Fastboot mode and then connect to the PC using a USB cable.
- Once connected the Unlock button on the application will be activated. Click on the Unlock button to start the bootloader unlock process of your Redmi Note 7.
The software application may take a while to unlock the bootloader on your Redmi Note 7. If done correctly then your phone will have an unlocked bootloader after a few seconds.
Troubleshooting, if Failed to unlock Bootloader
Sometimes the MiFlash Unlock tool shows a failed message only at 99% of processing. or if the tool is not able to detect your phone at all etc. The following could be the reasons to looks at –
- See if you have installed the USB drivers correctly and it does show in the device manager of Windows OS when you connect the phone in fastboot mode
- or See if you have put your phone in Fastboot mode or not while connecting to the PC
- Verify if you have enabled USB debugging and OEM unlock and linked your phone to Mi Unlock status
- Verify if your account has unlocked permissions.
- If everything is alright but still it fails, then contact the Xiaomi support team or you can use their forum to seek support on your case.
Well, that’s all on how to unlock bootloader on Redmi Note 7. If you face any kind of issue while following this guide, then just leave a reply here to get a response back.Like it? You can always subscribe to the Redmi Note 7 (lavender) forum to get more device specific topics.
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