Budget smartphone owners often face the desire to expand the functionality of their device, and the Redmi 7 model is no exception. Unlocking the bootloader is the first and most important step on the way to install custom firmware, completely remove ads in the system or obtain root rights. However, this process requires caution, since interfering with the system partition of the bootloader can lead to the loss of warranty or data if you do not act according to instructions.
Before you start taking action, it is important to understand that unlocking Xiaomi is not an instant procedure. The company has implemented temporary restrictions for user safety, so you will have to wait from 168 hours (7 days) to 360 hours (15 days) after submitting an application. In this article, we will discuss the entire process, from registering an account to the final unblocking through the Mi Unlock utility.
It is important to note that all operations will result in a complete Wipe Data reset, which means that all your photos, contacts, apps and settings will be permanently deleted, so first of all back up all important information to the cloud service or computer so that you do not lose valuable files during the process of flashing the device.
Preparation of a smartphone and Mi Account
The foundation of successful unlocking is a properly configured Mi Account. You need to log in to this account on the smartphone you want to unlock. You can do this through the settings menu by selecting "Mi Account" and entering your registration details. Make sure that the phone number associated with the account is active, as it will be needed to receive confirmation codes.
The next critical step is to enable USB debugging and account-based device binding, and to do so, go to About Phone and quickly click on MIUI Version (usually requiring 7-10 taps) until the message “You’re a developer” appears.
In the menu "For developers" you need to activate the switch "Debugging by" USB". Below you will find the item "Status of the loader". MIUI" — You can click on it. The system will ask for confirmation of actions, and then it will suggest that you link your account (3G/4G) For binding, because this feature often doesn't work over Wi-Fi, and after successfully binding, you'll see a countdown timer that shows how long it's left to unlock.
⚠️ Attention: If you change SIM-Your card or Mi Account on your phone while you're waiting, the timer will reset and you'll have to start over.
Necessary tools and software
To perform the operation, you will need a personal computer or laptop running the Windows operating system. Mobile ways to unlock through third-party applications do not work and can be dangerous. The official Mi Unlock Tool is only available for PC, so make sure you have a serviceable one in advance. USB-cable and stable internet connection.
You will need to download the latest version of Mi Unlock from the developer’s official website. Using modified versions of the program or tools from third parties can lead to the device locking over IMEI or infecting the computer with malware. It is also recommended to install the original ADB and Fastboot drivers, although they are often installed automatically along with the unlock program.
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Check integrity USB-Cheap charging cables often don't support data transfer, which will cause a connection error in Fastboot mode. The best thing to do is to use the original cable that came with the device, or a quality analogue from a well-known brand with data support.
Unblocking application process
The application is submitted directly from Xiaomi's device. Once you have enabled debugging over USB and become a bootloader, the system will prompt you to accept the risk warnings. You will need to tick all the boxes and click the "Unlock" button.
Then the system will ask you to enter the phone number associated with Mi akka “unt”, after entering the SMS will come with a confirmation code, enter the code, you will send a request to Xiaomi servers, if everything goes well, a notification will appear on the screen that the application has been sent, and the timer will start.
In rare cases, the system might give you a message that unlocking is not possible now and suggest you try it later, which is standard server load control practice, just wait a few hours or a day and repeat the binding and application procedure.
Direct Unlocking through Mi Unlock
When the waiting timer runs out, you can start the final stage. Turn off your smartphone completely. Then press the power and volume buttons at the same time. Hold them until the image of a hare in a hat-eared android repairing appears on the screen. That's Fastboot mode.
Connect your phone to your computer through USB-Launch the Mi Unlock Tool on your PC and log in to the same Mi Account that was used on your phone. The program must automatically identify the device. If the status of the device is displayed as "Phone connected", click the "Unlock" button".
The software will give you a warning that all data will be deleted. Confirm the action. The unlock process will begin, which will take from a few seconds to a couple of minutes. At this time, you can not turn off the cable or turn off the computer.
| Process phase | User action | System response |
|---|---|---|
| Preparation | Entering Mi Account, enabling debugging | Linking the device to the account |
| Waiting. | Absence of action (168-360 hours) | Countdown time on the Xiaomi server |
| Launch | Enter Fastboot (Power + Vol-) | Appearance of the Fastboot logo |
| Unlocking | Pressing the Unlock button in the program | Erasure of data and removal of blocking |
What if Mi Unlock can’t see the phone?
Possible mistakes and ways to solve them
One of the most common errors is the message "Couldn't verify device. Couldn't get device info." This most often indicates a driver or driver problem. USB-Try to install drivers manually through Device Manager or use another port USB, preferably located on the back of the system unit.
The “Account isn’t bound to this device” error occurs if you try to unlock your phone using an account that wasn’t tied in the bootloader settings, or if it’s been a while since the link was attached, in which case, double-check the anchor status in the phone menu.
⚠️ Warning: If you get the "Unlock failed. Try again later" error after successfully completing 99% of the process, don't panic.This could mean a temporary problem on Xiaomi servers.
Sometimes users are faced with a situation where the phone starts to load longer than usual after unlocking, which is normal, since the system recreates the file structure after cleaning. The first download can take up to 10-15 minutes.
Consequences of unlocking the loader
Once you unlock successfully, you have full control of the device, you can install customized recavators (like TWRP) that allow you to make full backups, install untested firmware, and modify system files, but with the capabilities come risks.
The unlocked bootloader allows anyone who gets physical access to your phone to read data from memory if it wasn’t encrypted by additional methods, and some of Google Pay’s banking apps and services (now Google Wallet) are shut down due to a system integrity breach.
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To work banking applications on an unlocked device, use Magisk Hide or similar modules that hide the presence of root rights and unlocked bootloader from the verification applications.
The manufacturer’s warranty obligations regarding the software part of the device are canceled. If in the future the smartphone fails for a software reason, the official service center may refuse free repairs, finding an unlocked bootloader.
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Unlocking the bootloader is an irreversible action in terms of warranty and security, opening access to deep system configuration, but requiring increased responsibility from the user.