When you open Bulkr, you are prompted for an update.Upgrading to v1.7 is easy and it takes only few minutes! Please follow the steps below: Therefore, we request all our users to upgrade to a new version Bulkr-v1.7 before 27-June-2014. Please note that all other versions including v1.6 will not work after 27-June-2014.
We have released a new version Bulkr-v1.7 to comply with the change. You can read more about this announcement on Flickr Developer Blog here. Flickr recently updated its web and mobile apps to use HTTPS and is permanently deprecating non-SSL access to its API from 27-June-2014.