For the boards below you will use the ```libretech-flash-tool``` from Libre. It can be found on [their](https://github.com/libre-computer-project/libretech-flash-tool) github page.
- rk3328
- rk3399
- roc-cc-rk3399
The Orange Pi 5 and Rock 5b require proprietary blogs from Rockchip. The Rock5b uboot is built and provided by Raxda. The Orange Pi 5 uboot can be obtained from project on github or built locally using a docker container. For