Download the image file omnipy.1.4.3.zip, unzip it and write it to an sd-card for your raspberry pi.
Note: The image is a full-install only and as such will erase information on your current and previous pods. Do not install the image until you are ready to activate a new pod - or if you don't know how to resume an active pod from the command line.
See release notes for details.
Use the latest AndroidAPS for omnipy v1.4.3 build 3 with this release.
For further information on setup, refer to the Setup & Configuration section on the wiki.