iOS Minion sounds not playing

This issue has been recurring for months. It doesn’t seem to matter what I do, only reinstalling can fix it. Some sounds play but others like minion sounds, or hero chats are silent. Happens in multiple languages.

Happens in game, and there are no minion sounds when crafting in the collection, either.

Happened on iOS 9.3.5, happens on iOS 10.3.3. Restarting iOS does nothing. Once it happens, it has happened and the only way to fix it that I have found is reinstalling completely.

It’s been reported since at least February, and it is still happening. Game running slowly, and one game it just stops playing half the sounds.

iPhone 5.
Please fix.