1.You could download latest image from our forum
2.Install bpi-tools on your Ubuntu. If you can't access this URL or any other problems, please go to bpi-tools repo and install this tools manually.
* curl -sL https://github.com/BPI-SINOVOIP/bpi-tools/raw/master/bpi-tools | sudo -E bash
3.After you download the image, insert your TF card into your Ubuntu
* Execute "bpi-copy xxx.img /dev/sdx" to install image on your TF card
4.After step 3, then you can insert your TF card into R1, and press power button setup R1