1, log in to Xiaomi official website to unlock the webpage and apply for unlocking permission.

2. After the application is approved, you will receive Xiaomi's successful notice, and then you can download Xiaomi's unlocking tool from Tencent's mobile phone housekeeper.

3. After downloading the unlocking tool, you should decompress and run the MiFlashUnlock.exe inside, then read the license agreement and log in the account. If the account has successfully applied for unlocking permission before and passed, it will go to an unlocking page after logging in.

4. If manual shutdown is required, please press and hold the power button to reduce the volume to enter the quick start mode.

5, USB link phone, click "unlock phone", after unlocking, you will be prompted to restart the phone, and you can get an incomplete root right after restarting.

6. Then download adb command to open adb command, double-click adb.exe to run, and a black interface window will pop up.

7, and then enter adb root in the black window. Does the mobile phone have to be connected to the computer at this time?

Then enter adb disable-verity and enter? , [size=36.0069px] Summary: Enter adb reboot to restart the phone, or press and hold the power button directly to restart the phone. Now whether you use a third-party RE to brush your phone or use your own root to modify system files.