At https://developer.garmin.com/connect-iq/sdk/ the download link for Linux is incorrect. It is:
https://developer.garmin.com/downloads/connectiq-sdk-lin-3.0.10-2019-4-9-b0d8876.zip
But should be:
https://developer.garmin.com/downloads/connect-iq/sdks/connectiq-sdk-lin-3.0.10-2019-4-9-b0d8876.zip
