Which operating system would you like a download for? I can link a few mirror versions which should hopefully work for you.
1. https://www.mediafire.com/file/p3ggj3wannrhyjp/rebelduet.iondivvy-release.apk/file
2. https://pixeldrain.com/u/77TEj9p8
3. https://workupload.com/file/gUssnnQmnsR
Please let me know if you have issues downloading from these links. Apologies for the inconvenience, and thank you for the support!