How to Unlock the Bootloader and Flash the Developer ROM on a Redmi Phone395

Are you interested in customizing your Redmi phone beyond what's possible with the stock firmware? Unlocking the bootloader and flashing a custom developer ROM (such as LineageOS, MIUI, or Pixel Experience) gives you full control over your device's software, allowing you to install apps, tweak settings, and optimize performance.

Unlocking the Bootloader

Step 1: Enable Developer Options

Go to Settings → About Phone → Tap "MIUI version" 7 times. This will enable Developer Options.

Step 2: Enable OEM Unlocking

Go to Settings → Additional Settings → Developer Options and toggle "OEM unlocking" to ON.

Step 3: Request Unlock Permissions

Go to /unlock and apply for unlocking permissions. This requires your Mi account and device information.

Step 4: Wait for Approval

The approval process can take up to 15 business days. Once approved, you will receive an email with a "Download Unlock Tool" link.

Step 5: Download the Unlock Tool

Download the Unlock Tool from the link in the email.

Step 6: Unpack the Unlock Tool

Extract the contents of the downloaded ZIP file to your computer.

Step 7: Boot into Fastboot Mode

Turn off your phone and press and hold the Volume Down and Power buttons simultaneously until you see the "Fastboot" logo.

Step 8: Connect the Phone

Using a USB cable, connect your phone to your computer.

Step 9: Run the Unlock Tool

Open a command prompt (CMD) on your computer, navigate to the extracted Unlock Tool folder, and run the following command:```cmd
unlock
```

Step 10: Confirm Unlock

On your phone, you will be prompted to confirm the unlock. Press the Volume Up button to proceed.

Step 11: Unlock Complete

Your bootloader is now unlocked. Your phone will restart automatically.

Flashing a Developer ROM

Prerequisites:
Unlocked bootloader
Custom recovery (e.g., TWRP) installed
Developer ROM downloaded from a trusted source (e.g., XDA Developers)

Step 1: Boot into Recovery Mode

Turn off your phone and press and hold the Volume Up and Power buttons until you see the "Recovery" logo.

Step 2: Flash the Developer ROM

In TWRP recovery, tap "Install" and navigate to the downloaded Developer ROM file. Swipe to confirm the flash. This process may take a few minutes.

Step 3: Reboot Your Phone

Once the flash is complete, tap "Reboot" and then "Reboot System". Your phone will boot into the Developer ROM.

Congratulations!

You have successfully unlocked the bootloader and flashed a developer ROM on your Redmi phone. Enjoy the customization and performance enhancements it offers.

Note:

Unofficially unlocking your bootloader and flashing custom software may void your device's warranty and could potentially cause issues. Proceed at your own risk.

2024-11-23

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