This documentation will introduce how to upgrade U-Boot manually.
Copy the U-Boot debian package to your board and install it directly.
The U-Boot debian package is linux-u-boot-vim1s-vendor_xxxx-2019.01_arm64.deb
,
xxxx
is the version number, e.g. 1.0.11
.
$ sudo dpkg -i linux-u-boot-vim1s-vendor_xxxx-2019.01_arm64.deb $ sync $ sudo reboot