The data of the built-in card must be backed up in advance. It will be emptied.

1, the computer unzips adbdriver.zip, and runs adbDriverInstaller to install ADB driver. For win8 and above systems, it is necessary to modify the computer in advance and support the installation of third-party unsigned drivers (specifically Baidu). (recommended win7 is the best)

2. Unzip unlock_bootloader.zip and copy the obtained unlock_bootloader.sh to the root directory of the built-in card (path /sdcard/unlock_bootloader.sh).

3, the phone is completely root, it is best to update the binary file with supersu (don't ask me how I know, I just know), then install the terminal simulator (Baidu search), and install busybox pro, and use it to install the busybox instruction set (be sure to use the final game version of BusyBox Pro: v33 or above, remember). Turn on the phone usb for debugging. You'd better restart your mobile phone after this.

4. Open the terminal simulator just installed and enter Su Enter. When prompted to apply for authorization, please give root permission. Then enter sh /sdcard/unlock_bootloader.sh and press enter to confirm. Note that there is a space between sh and the path. Ps: You can change the unlock_bootloader.sh file to1.sh. Enter the code: sh/SD card/1.sh.

5. If the prompt shown in the original tutorial appears, the mobile phone operation has been successful. (Remember not to turn off the terminal simulator for the time being, but to use it. )。 If the directory of the sh file you entered is incorrect, an error message will appear. Please confirm again that the file exists and the path is correct. (busybox instruction set will also go wrong if the version is too low. )

6. Extract the files in adb.zip to the system disk (disk C) of the computer. Remember the path (such as extracting to c:\adb).

7. Enter reboot bootloader enter in the mobile terminal simulator, and the mobile phone will enter BL interface. Then connect the computer.

8. After successfully entering bl interface, the computer clicks Start Menu-Run-Enter CMD and confirm. Then locate the unzipped path before ADB.EXE in CMD, such as unzipping to the c:\adb directory before ADB.EXE. Then: enter cd c:\adb.

9. Then enter the code fastboot oem unlock and press Enter to confirm. At this time, the mobile phone will prompt you that you will lose the warranty and so on. At this time, you can confirm with the volume of your mobile phone and press the button to cancel.

10, the process of unlocking bl will last for 5 to 10 minutes, and wait patiently until a related success message appears in the CMD window (generally, one line says how many s are needed for unlocking, and one line says OK. . ) You can keep the CMD window and don't close it yet.

1 1, press and hold the power button to turn it off, and then manually enter re to brush the firmware again, remember to wipe it! Remember! Otherwise, it is likely to restart indefinitely.

12. After re-entering the system, remember to start usb debugging again, redo the complete ROOT operation, and reinstall the terminal simulator.

13. Open the terminal simulator again, enter su when authorization appears and authorize it. Then enter the following code to enter the BOOTLOADER interface again. Restart the boot program, and then connect the phone to the computer.

14. Rename the re file to recovery.img and put it in the directory where adb.exe and fastboot.exe are located (C:\adb mentioned above). After the mobile phone successfully enters the bl interface, then in the CMD window that has not been closed just now, enter the following instructions to brush the third party re. After quick start and quick recovery. Img press enter to confirm that the writing progress of the brush will appear on cmd. Wait another minute after success. Then press and hold the phone power button to turn it off.

15, manually enter re again, and you will find that it is already a third-party re. Chinese REC method: create a theme folder in the TWRP folder under the root directory of SD card, put it in ui.zip and restart, and you can start to feel it! This is the way people in China record.