rprise-grade devices.</p>
      <p>Long-term automated Canonical testing of every update and security patch ensures devices perform reliably over the full lifetime of the certified Ubuntu LTS release. Certified devices must run a Canonical kernel. We require four units of every certified board or device for continuous testing. In the case of devices built with existing certified boards, running their standard certified kernel, we reduce this requirement to two devices.</p>

      <p>Certification for device