Owners of budget Xiaomi smartphones often face the need to get full access to the system of the device. the Redmi Note 5A (also known as the Y1 Lite) is based on the Qualcomm Snapdragon 425 processor and has its own features in the procedure for removing restrictions. Unlocking the bootloader allows you to install custom recovers, obtain root rights and change system files, which opens up new opportunities for the gadget.
This process is not instantaneous and requires careful attention to detail. The official procedure from the manufacturer involves waiting for and having a stable Internet connection. The key condition is to link the Mi Account to the device before all manipulations begin. If you decide to do this, be prepared for the fact that all user data will be irretrievably deleted.
Before you take action, you need to make sure you understand the risks: Interfering with the software of a smartphone can lead to malfunctioning of banking applications or total loss of warranty. However, for many enthusiasts, the benefits of free access to the system outweigh the potential inconveniences.
Device preparation and status check
The first step is to prepare your smartphone thoroughly, and you will need to enable debugging mode over USB and allow the installation of applications from unknown sources. Go to the Settings → About Phone menu and click 7 times on the Build Number until you notice that you have become a developer.
Once you activate the hidden menu, go back to the main settings and find the Advanced Settings → For Developers. You need to activate the USB Debugging Switch. Also, in the same menu, find Mi Unlock Status (or bootloader Status) and click on it. The system will ask you to link your Mi Account to your device, which is a requirement.
⚠️ Note: Once you have linked your account to the device in the bootloader status menu, you must wait 168 hours (7 days) before trying to unlock.
Make sure your smartphone has the latest available firmware. Often security updates affect Xiaomi services. Charge the battery to at least 60%, as the process can take a long time and power outages at a critical time are unacceptable.
☑️ Preparation of the Redmi Note 5A
Installation of drivers and software
Detailed drivers are needed to interact with your smartphone in deep firmware mode. Without them, the unlock utility simply won’t see the connected device. Standard Windows drivers often don’t work, so it’s better to use the dedicated ADB Drivers package or drivers that come with the Mi Flash Tool.
Download the official Mi Unlock utility from the developer's website. Please note that antivirus programs may react to the executable file as potentially unwanted, so it is recommended to disable protection or add the program to exceptions during installation and operation.
Install the program on a Windows computer (versions 7, 8, 10 or 11). Once installed, run miunlock.exe on behalf of the administrator. Sign in to the same Mi Account that was previously linked to the smartphone. Account mismatch is the most common reason for denial of access.
- 📱 Connect your smartphone to your PC through the original USB-cable.
- 💻 Make sure there are no unknown devices with a yellow icon in Windows Device Manager.
- 🔐 Enter the username and password from Mi Account in the Mi Unlock program.
- 🌐 Check the stability of the Internet connection on your computer.
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Use only the original. USB-Cheap charging cables often don't have data lines, which will lead to endless waiting for a connection in the program.
The process of unlocking the loader
When you're done, you can go to the process. Put your smartphone in Fastboot mode. Turn off the Redmi Note 5A completely, then press the volume button and hold it, connect the USB cable to your computer. There's a bunny in an orange cap that's repairing the android.
In the Mi Unlock window, click Unlock, a warning will appear that all data will be deleted, confirm the action, the process of checking the status of the device on Xiaomi servers will begin, if the account is successfully linked and the waiting period has expired, the progress bar will begin to move.
It takes between seconds and a couple of minutes, and it can reboot several times, don't turn off the cable or press any buttons on the device, and when the program is complete, the smartphone will automatically reboot to the cleaned memory system.
What if progress is stuck at 50%?
Solving Typical Errors and Problems
Even with strict adherence to the instructions, failures can occur. Error 10003 usually indicates problems with the network or authorization servers. Error 20002 often indicates that the account is not tied or has not been logged in 168 hours. In some cases, the system can report that the device cannot be unlocked, a rare case that is typical of some enterprise versions or devices purchased from unscrupulous sellers.
If the software comes up with a bug related to the software version, try upgrading the Mi Unlock utility to the latest version, and it’s also worth checking if the phone has a beta version of the firmware, which sometimes needs to be reflashed to stable before unlocking.
The table below shows the main error codes and methods for solving them:
| Error code | Description of the problem | Decision-making |
|---|---|---|
| 10003 | We were unable to get data from the server. | Check the Internet, change DNS, disable antivirus |
| 20002 | Account or deadline inconsistency | Check the Mi Account login, make sure 7 days are up |
| 20015 | The device cannot be unlocked. | Call for support, maybe the device is locked |
| 20027 | bootloader version error | Update your phone to the latest stable version |
Installation of custom TWRP Recovery
After successfully unlocking the bootloader, Redmi Note 5A owners often seek to install customized Recovery, such as TWRP. This allows you to make full system backups, install modified firmware and patches. To install you will need to download the twrp.img image file specially assembled for the code name of your device (prada for global, ugglite for China/India).
Connect your phone in Fastboot mode to your PC. Open the command line in the folder with ADB-Type the command to check the connection: fastboot devices. If the response appears serial number, you can go to the firmware recover command fastboot flash recovery. twrp.img.
An important nuance for Xiaomi is that once you have TWRP firmware, you can’t boot right into the system. You need to immediately press the button combination to enter the Recovery (usually Volume Up + Power), otherwise the standard Android system will overwrite the restored partition back to the stock one, a critical point that is often missed by beginners.
⚠️ Note: Installing a third-party backup and modifying the system partition may disrupt the SafetyNet function, which will lead to the fact that the applications of banks (Sberbank, Tinkoff, etc.) and Google Pay will cease to work on the device.
Frequently Asked Questions (FAQ)
Will the warranty bit reset after unlocking?
Can I unlock the Redmi Note 5A without a computer?
What to do if I forget my Mi Account password?
Does unlocking affect the quality of the photos and the performance of the cameras?
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Unlocking the bootloader is an irreversible action in the context of data loss. Always back up contacts and photos before starting the procedure, as it will be almost impossible to recover deleted information after formatting without pre-made backups.