Currently there are 3 ways to purchase a Dragon board, please refer picture below
![](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/48073898209/original/1cDKgcwXfUvBe6Jcrw8qew4jAx3stXyO3g.png?1606923996)
As it can be seen only those that buy the AWS kit will have a preinstalled Debian. Such an installation may have a more recent kernel that the one we support.
For such cases, we recommend to flash the EMMC / SD card with an appropriate software/kernel version. In the link below all linaro releases can be found:
The version we currently support is the one highlighted in the picture below
Click into that version, it clearly states the Kernel version number. Below is an screenshot from 18.01.
![](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/48073900380/original/UnSaIYGIyRLQavX6gZ35d88546w73wgVlQ.png?1606924444)
Note: The version 19.01 also uses the same kernel version.