1. Download and unzip the universal quick start tool on your computer. This gadget is a green ADB tool. Brush it in and delete it directly. After downloading and decompressing, put it aside and decompress it to the desktop for easy search.

2. The downloaded recovery package in img format must be a file with suffix. Img format. Rename it to recovery.img, and then copy the file in img format to the "Universal Quick Start Tool" that has just been decompressed.

3. At this time, you need to put the mobile phone in the quick start mode, turn it off, and press and hold the volume down+power button to enter the quick start mode.

4. When the mobile phone looks like this, it means that it has entered the fast start mode.

4. Connect the mobile phone that has entered the quick start mode to the computer. If the computer prompts that the connection is unsuccessful, the driver is basically installed incorrectly.

5. First, install the driver on the computer. After connecting, double-click to open the folder of the universal quick start tool, hold down the shift key on the keyboard, right-click in the blank space, and select "Open dialogue window here" in the dialog box that appears.

6. At this point, manually enter "fastboot"? Flash recovery.img "(quotation marks are not required), and then press enter to confirm. When the following similar characters appear on the screen, the word "OK, finished" will be prompted, indicating that the brush-in is successful.

7. Then turn off the phone, and press and hold the power off button and the volume down button at the same time to enter the recovery mode.

8. Click Erase twice to complete the reboot.