Changes

=== '''Method of flashing Linux image or OpenWRT image to TF card based on Ubuntu PC''' ===

1)First, prepare a TF card with 8GB or larger capacity. The transmission speed method of flashing OpenWRT image based on Ubuntu PC is the TF card must be above class10same as that of flashing Linux image. It The following is recommended to use a TF card an example of SanDisk and other brandsflashing Linux image<br>

2)Then use First, prepare a TF card reader with 8GB or larger capacity. The transmission speed of the TF card must be above class10. It is recommended to insert the use a TF card into the computerof SanDisk and other brands<br>

3)Then use a card reader to insert the TF card into the computer<br><br>4)Download balenaEtcher software, the download address is<br>

45)After entering the balenaEtcher download page, please select the Linux version of the software through the drop-down box to download<br>

56)After downloading, use '''unzip ''' to decompress. The decompressed '''balenaEtcher-1.5.109-x64.AppImage''' is the software required for burning

67)Download the Linux operating system image file compression package you want to burn from the Orange Pi data download page, and then use the decompression software to decompress it. In the decompressed file, the file ending with ".img" is the operating system image file,the size is generally above 1GB.<br>

78)Double-click balenaEtcher-1.5.109-x64.AppImage on the graphical interface of Ubuntu PC to open balenaEtcher. The opened interface is shown in the figure below<br>

89)The writing speed and remaining time will be prompted during the burning process

910)After burning, the following interface will be displayed. At this time, you can unplug the TF card from the computer and insert it into the development board to start.