You should use this tutorial: DebrandA2, with this "customize.upgrade.xml":
<?xml version="1.0" encoding="utf-8"?>
<customization>
<info>
<cda-number>1212-9617</cda-number>
<cda-revision>R7A</cda-revision>
</info>
</customization>
The website doesn't support C905.
Any other ideas to generate CDA for C905?