====== VIM3/3L Upgrade Linux U-Boot ======

===== Introduction =====

This documentation will introduce how to upgrade U-Boot manually.

===== Upgrade =====

Copy the U-Boot debian package to your board and install it directly.

<WRAP tip >
The U-Boot debian package is ''linux-u-boot-vim3-vendor_xxxx-2015.01_arm64.deb'',\\ ''xxxx'' is the version number, e.g. ''1.0.11''.
</WRAP>


```shell
$ sudo dpkg -i linux-u-boot-vim3-vendor_xxxx-2015.01_arm64.deb
$ sync
$ sudo reboot
```