Using Xmodem
- 
        After the hardware connections mentioned above, power on the VisionFive and you will see the
          startup information as follows. 
        
Figure 1. Example 
           - 
        Press any key as soon as it starts up to enter the upgrade menu.
          In this menu, you can only update u-boot. 
        
Figure 2. Example 
           - 
         Type root@s5t and press Enter to enter
          the extended version of the upgrade menu, and in this menu, you can update u-boot,
          bootloader, and ddr init.
        
Figure 3. Example 
           - Type 0 and press Enter to update the bootloader.
 - Press Ctrl+A and then press S to enter upload mode.
 - 
        Select xmodem and press Enter. 
        
Figure 4. Example 
           - 
        Select Goto from the bottom tab menu and press
            Enter. 
        
Figure 5. Example 
           - 
         Enter the directory path and press Enter.
        
Figure 6. Example 
           - 
         Select 
bootloader-JH7100-211102.bin.outby navigating using arrow keys, press Space and press Enter. - 
                
 - 
                
 
