How to unlock Xiaomi Redmi 6 Pro: bootloader, Mi Account and screen lock

Xiaomi Redmi 6 Pro is a popular budget smartphone that is still actively used due to its reliability and the ability to install custom firmware. However, many users face the need to unlock the device: whether it is a forgotten password, a locked bootloader or binding to a Mi Account. In this article, we will analyze all the current ways to unlock the Redmi 6 Pro in 2026, including official methods from Xiaomi and workarounds for experienced users.

It is important to understand that the unlocking procedures are divided into three main types: 1) Unlocking the bootloader - necessary for installing custom firmware (TWRP, LineageOS, but requires official permission from Xiaomi. 2) Resetting the pattern lock/PIN-Code – if you forget the password from the lock screen. 3) Bypassing binding to the Mi Account – when the phone requires login and password after resetting settings.

Each case has its own nuances, risks and limitations – we will discuss them below.

Before you start, check:

✅ Battery level (at least 60%).

✅ Having a backup of important data (unlocking often results in a complete reset).

✅ Access to a Windows computer 10/11 Linux (for some methods).

If you are not sure about your actions, it is better to contact the Xiaomi service center, especially if the phone is warranty.

1. Unlock bootloader on Redmi 6 Pro

The bootloader on all Xiaomi smartphones is blocked by default. Its unlocking is required for:

• 🔄 Custom recaveri installations (TWRP).
• 📱 Firmware alternative OS (LineageOS, Pixel Experience).
• 🔧 Getting root rights through Magisk.
• 🛠️ Restore the brick after a failed update.

The official way to unlock the device is to use the Mi Unlock Tool and link the Mi Account to the device, but since 2023 Xiaomi has tightened the rules: it now requires a wait of 168 hours (7 days) after linking an account to a phone, which cannot be circumvented legally.

Step-by-step:

1. Activate USB debugging: Go to Settings → About Phone → MIUI version and tap 7 times on the line with the version to turn on Developer Mode. Then go back to Settings → Additional → For Developers and turn on: USB debugging and OEM unlock.
2. Link your Mi Account: In the same developer settings, find Mi Unlock Status and link your Mi Account to your device.
3. Download Mi Unlock Tool: The official utility is available on the Xiaomi website (authentication required).
4. Connect your phone to your PC: Launch the Mi Unlock Tool, log in to your Mi Account and follow the instructions.The phone should be in Fastboot mode (clip Volume Down + Power when the device is off).

⚠️ Note: If you see a "Couldn't unlock" error (10008), it means that 168 hours have passed since the account was linked. MIUI Over 2 years old – in this case, first update your phone.

Link Mi Account in phone settings|Enable debugging on USB unlock OEM|Download the latest version of the Mi Unlock Tool|Prepare. USB-cable (preferably original)|Charge your phone to at least 60%-->

2. resetting the pattern lock or PIN-code

If you forget the screen lock password on the Redmi 6 Pro, there are several ways to reset it. Importantly, all methods except the official one will result in complete loss of data on the device.

Official method (if you have a Mi Account attached):

1. On the lock screen, click Forgot your password.
2. Enter the username and password from the Mi Account associated with the phone.
3. Follow the instructions for resetting your password.

Alternative methods (if the account is not tied or forgotten):

• 🔧 Hard Reset via Recovery: Turn off your phone → Hold the volume up + Nutrition → In the Recovery menu, select Wipe Data → Wipe All Data. After this procedure, all data, including photos and applications, will be deleted without the possibility of recovery.
• 💻 Reset via Fastboot: Connect your phone to your PC in Fastboot mode (clip Volume Down) + Power) and execute the command: fastboot erase userdata fastboot erase frp fastboot reboot This will delete all user data and reset settings FRP (discharge-proof).

⚠️ Attention: On some firmware MIUI After resetting via Fastboot, the phone may require you to enter the old password, in which case only flashing through the Fastboot will help. EDL-Mode (requires an authorized Xiaomi account).

3.Bypassing the Mi Account binding after resetting

One of the most common issues with the Redmi 6 Pro is requesting a Mi Account after a reset (FRP Lock), which is anti-theft protection, but it often interferes with legitimate owners who have forgotten their account details. There are no legal ways to bypass FRP, but there are several working methods for power users.

Method 1: Recovery and Fastboot (for MIUI 10-12)

1. Turn off the phone and press Volume Up + Power to enter Recovery.
2. Select a language (if available) and go to Connect with Mi Assistant.
3. Connect your phone to your PC and use the Mi Account Bypass Tool (available on the XDA Developers forums).
4. Follow the instructions of the FRP reset program.

Method 2: Flashing through EDL (for advanced users)

This method requires:

• 🖥️ Computer with Windows and Qualcomm drivers.
• 🔌 Cable USB Type-C (preferably original).
• 📂 Firmware for Redmi 6 Pro in.mbn format.
• 🔧 Mi Flash Tool or QFil.

Process:

1. Transfer the phone to EDL-mode (emergency boot mode) by short-circuiting test points on the board or adb reboot edl command (if debugging is enabled).
2. Connect the phone to a PC – it should be defined as Qualcomm HS-USB QDLoader 9008.
3. In the Mi Flash Tool, select the firmware and press Flash.

4 Unlock if the phone is in a "brick" state

Brick is a condition where the Redmi 6 Pro does not turn on, boot or hang on the MI logo. The reasons can be different: a failed firmware, an interrupted update, damage to the boot partition. In most cases, the device can be restored, but you will need a PC and special tools.

Brick diagnostics:

• 🟢 Soft Brick: The phone is turned on but does not load beyond the logo or load into the phone. Recovery/Fastboot. It's a reflash.
• 🔴 Hard Brick: Phone unresponsive to buttons, undetected by PC. Requires repair or firmware through EDL.
• ⚫ Bootloop: Infinite reboot. Often reset via Recovery helps.

Recovery via Fastboot:

1. Download the official firmware for Redmi 6 Pro (codename sakura) from the Xiaomi Firmware Updater website.
2. Unpack the archive and place the file flash_all.bat firmware.
3. Connect your phone in Fastboot mode and launch flash_all.bat.

If the phone is not identified in Fastboot:

• Try another one. USB-cable.
• Install Qualcomm and ADB drivers manually through Device Manager.
• Use the test cable to log into the EDL (closing contacts on the board).

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If the phone hangs on the MI logo after firmware, try pinching Volume Up + Power for 10-15 seconds to force it to turn off. Then repeat the Fastboot erase userdata.

5 Unlocking with Third-Party Tools

There are third-party utilities available to make unlocking easier, but there are risks ranging from data loss to device failure. We’ll only look at the proven tools discussed on XDA Developers and 4PDA.

1. XiaomiTool V2

A popular utility for unlocking the bootloader and firmware Xiaomi. Supports Redmi 6 Pro (codename sakura).

• ✅ Automates the unlocking process.
• ✅ Supports installation TWRP.
• ❌ Requires a tied Mi Account.
• ❌ It does not work on the latest versions. MIUI 14 without additional manipulation.

2. SP Flash Tool (for firmware via MTK)

The Redmi 6 Pro is built on a Qualcomm Snapdragon 625 processor, but some modifications (for example, for the Indian market) can use MediaTek chips. SP Flash Tool.

Instructions:

1. Download the SP Flash Tool and firmware in scatter format.
2. Launch it. flash_tool.exe and download the scatter file.
3. Connect the phone to the PC (without battery if possible).
4. Press Download and wait for the process to end.

⚠️ Attention: Firmware through SP Flash Tool on the wrong version of the software can cause damage IMEI module NFC. Always check firmware compatibility with your model (Sakura for Redmi 6 Pro).

6. Frequent errors and their solutions

When you unlock Redmi 6 Pro, users often encounter common errors, and we've collected the most common and corrective ways to do so.

If you see an error not described in the table, check the firmware logs (file) flash_log.txt in the folder with Mi Flash Tool) and search for a solution in the forums 4PDA or XDA code-in-code.

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Before any firmware or unlock, always check the phone model (in this case, sakura for the Redmi 6 Pro). Using firmware from another model will cause the device to fail.

7. Alternative methods: unlocking without PC

If you don't have access to your computer, there are a limited number of ways to unlock the Redmi 6 Pro, most of which require that the phone be debugging on USB or that you know your Mi Account.

Method 1: Reset by Find My Device (if enabled)

1. Go to i.mi.com and log in.
2. Select your Redmi 6 Pro from the list of devices.
3. Press Erase Device (Erase Device).

This will delete all data, including the lock password, but the phone must be connected to the internet.

Method 2: Use Safe Mode

If the screen lock is caused by a third-party app (like AppLock), try:

1. Press the power button before the off menu appears.
2. Hold your finger to the option “Switch off power” until the prompt to go to Safe Mode appears.
3. In safe mode, remove the problem application.

Method 3: Bypassing an emergency call (for older versions of MIUI)

Some MIUI 9-10 firmwares have been affected by the vulnerability:

1. On the lock screen, press Emergency Call.
2. Enter #4636## and go to Testing.
3. Go back to the main menu and try to open the settings.

This method does not work on MIUI 11 and later.

8.When to contact the service center

Not all problems with unlocking the Redmi 6 Pro can be solved by yourself.

• 🔧 The phone is in a Hard Brick state (no button response, no PC detection).
• 🔒 You forgot your Mi Account details and your phone needs them after you reset.
• 📡 After the firmware, the network is missing, it does not work. IMEI or Wi-Fi module.
• 🛡️ The screen displays a message that says “This device is locked by Mi Cloud” (requires official proof of ownership).

The cost of unlocking the service center varies from 1,500 to 5,000 rubles depending on the problem, and official centers can request a check or box to confirm ownership of the device.

Advantages of using the service:

• ✅ Guarantee for work performed.
• ✅ Maintenance of the official guarantee (if applicable).
• ✅ Recovery capability IMEI and serial number.

Disadvantages:

• ❌ Long wait (from 3 days).
• ❌ High cost compared to self-repair.

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Before visiting the service center, back up your data via ADB (if the phone is switched on at all).

adb pull /sdcard/ C:\Backup\

FAQ: Frequently Asked Questions