Host "OsmAnd-submodules" repo & update OsmAnd to 2.7.5
mvdan suggests that the "OsmAnd-submodules" should be hosted under F-Droid's org : https://github.com/mvdan/OsmAnd-submodules/pull/32#issuecomment-318857850
Can you, then, update the app to 2.7.5? It may overseed the issue #778 (closed).