How to Unlock Bootloader on Redmi 15C Officially | HyperOS Step-by-Step Guide 2026

786firmware
Jun 8, 2026

How to Unlock Bootloader on Redmi 15C Official Method (HyperOS) – Complete Step-by-Step Guide

Unlock Bootloader Redmi 15C

Unlocking the bootloader on your Redmi 15C is the first step if you want to install custom ROMs, root your device with Magisk, flash custom recovery, or perform advanced modifications. Xiaomi has changed the bootloader unlocking process on HyperOS, and users now need permission through the Mi Community app before unlocking their device.

In this complete guide, we will explain the official Xiaomi HyperOS bootloader unlock method for Redmi 15C. Follow every step carefully to avoid errors during the unlocking process.

What is Bootloader Unlocking?

The bootloader is a security component that verifies and loads the operating system when your phone starts. Xiaomi locks the bootloader by default to protect the device from unauthorized modifications.

Unlocking the bootloader allows you to:

  • Install Custom ROMs
  • Root your Redmi 15C using Magisk
  • Flash Custom Recovery (TWRP)
  • Modify system partitions
  • Install GSI ROMs
  • Use advanced flashing tools

Important Warning

Before unlocking the bootloader, keep the following points in mind:

  • Unlocking the bootloader will erase all data from your device.
  • Create a complete backup before proceeding.
  • Charge your device above 60%.
  • Use the original USB cable whenever possible.
  • Sign in with the same Xiaomi account on both your phone and Mi Unlock Tool.

Requirements

  • Redmi 15C running HyperOS
  • Active Xiaomi Account
  • Stable Internet Connection
  • Windows PC or Laptop
  • Official Mi Unlock Tool
  • USB Data Cable

Step 1: Apply for Xiaomi Bootloader Unlock Permission

HyperOS devices require users to obtain unlocking permission through the Mi Community application.

Download Mi Community App

Install the latest Mi Community application from Xiaomi.

Login to Your Xiaomi Account

Open Mi Community and sign in using the same Xiaomi account that is logged into your Redmi 15C.

Change Region to Global

  1. Open Mi Community App.
  2. Go to Profile.
  3. Open Settings.
  4. Select Region.
  5. Choose Global.

Apply for Unlock Permission

  1. Open Mi Community App.
  2. Go to Bootloader Unlock Section.
  3. Tap Apply.
  4. Complete verification if required.
  5. Wait for approval.

Once approved, you can continue with the unlocking process.

Step 2: Enable Developer Options

Developer Options must be enabled before accessing bootloader settings.

  1. Open Settings.
  2. Go to About Phone.
  3. Tap OS Version repeatedly 7-10 times.
  4. You will see the message "You are now a developer".

Step 3: Enable OEM Unlocking

  1. Open Settings.
  2. Go to Additional Settings.
  3. Open Developer Options.
  4. Enable OEM Unlocking.
  5. Tap Enable when prompted.

Step 4: Enable USB Debugging

  1. Open Developer Options.
  2. Enable USB Debugging.
  3. Confirm the warning message.

USB Debugging is required for communication between your Redmi 15C and your PC.

Step 5: Add Xiaomi Account in Mi Unlock Status

This is the most important step. Many users fail because they skip account binding.

  1. Open Settings.
  2. Go to Additional Settings.
  3. Open Developer Options.
  4. Select Mi Unlock Status.
  5. Tap Add Account and Device.

Your device must have:

  • SIM Card Inserted
  • Mobile Data Enabled
  • Xiaomi Account Logged In

If successful, you will see:

Added Successfully. Mi Account is associated with this device now.

Step 6: Download Mi Unlock Tool

Download the official Mi Unlock Tool on your Windows PC.

MI Unlock Tool- 786Firmware

Extract the ZIP file and open the Mi Unlock Tool folder.

Run the application as Administrator.

Step 7: Login to Mi Unlock Tool

  1. Open Mi Unlock Tool.
  2. Sign in with the same Xiaomi Account used on Redmi 15C.
  3. Wait for account verification.

Using a different account will cause unlocking errors.

Step 8: Boot Redmi 15C into Fastboot Mode

Now you need to enter Fastboot Mode.

  1. Power off your Redmi 15C.
  2. Press and hold Volume Down + Power Button.
  3. Keep holding until Fastboot Mode appears.

You should see the Fastboot logo on the screen.

Step 9: Connect Redmi 15C to PC

  1. Connect your device using a USB cable.
  2. Wait for Windows to install drivers.
  3. Ensure Mi Unlock Tool detects your device.

If the device is not detected:

  • Install Xiaomi USB Drivers.
  • Change USB Port.
  • Use another USB cable.
  • Restart Mi Unlock Tool.

Step 10: Start Bootloader Unlocking

  1. In Mi Unlock Tool, click Unlock.
  2. Read the warning carefully.
  3. Click Unlock Anyway.

The tool will verify your Xiaomi account and device authorization.

Waiting Period (If Required)

Xiaomi may impose a waiting period depending on account status and device policy.

Common waiting times include:

  • 72 Hours
  • 168 Hours (7 Days)
  • 360 Hours

During this period:

  • Do not remove your Xiaomi account.
  • Do not factory reset your device.
  • Do not remove SIM card.
  • Keep internet connection active.

After the waiting period expires, repeat the unlocking process.

Unlock Successful

When the waiting period is completed, Mi Unlock Tool will unlock the bootloader successfully.

The phone will automatically reboot and perform a factory reset.

You can verify bootloader status by:

  1. Settings
  2. Additional Settings
  3. Developer Options
  4. Mi Unlock Status

Or use Fastboot command:

fastboot oem device-info

You should see:

Device unlocked: true

Benefits After Unlocking Bootloader

  • Install HyperOS Custom ROMs
  • Install Android 15 Custom ROMs
  • Flash TWRP Recovery
  • Root with Magisk
  • Remove Bloatware
  • Install GSI ROMs
  • Advanced System Modifications

Common Errors and Solutions

Couldn't Add Account

  • Use Mobile Data instead of Wi-Fi.
  • Insert SIM Card.
  • Verify Xiaomi Account.

Device Not Connected

  • Install Drivers.
  • Use Original USB Cable.
  • Enable USB Debugging.

Current Account Not Bound

  • Add Account Again in Mi Unlock Status.
  • Wait a few minutes after binding.

Unlock Permission Not Available

  • Apply through Mi Community.
  • Wait for approval.

Final Words

The official Xiaomi HyperOS bootloader unlocking process is now more secure and requires Mi Community authorization before unlocking. By following the steps above, Redmi 15C users can successfully unlock their bootloader using Xiaomi's official method.

After unlocking, you will be able to flash custom ROMs, install Magisk root, use custom recovery, and explore the full potential of your Redmi 15C.

Device: Redmi 15C
Method: Official Xiaomi HyperOS Bootloader Unlock
Status: Safe & Working
Author: 786Firmware

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