Inside Unreal: ChunkDownloader Explained

I am stuck on a loop on mobile packaging. For android i have disabled Package game data inside apk. and enabled generate chunks in the packaging settings. This gives me a small Apk and a large OBB. i dont want the OBB file since i want the content to be delivered through chunks. and the app doesnt work without the OBB.

The chunks are generated perfectly in the build folder inside the project. tried to look all over the internet for solutions still dont have one