Not sure if it still exists, but a few years ago there was a bug that if an alarm was created using Siri, it wouldn’t make a noise at the set time. It would sho

Not sure if it still exists, but a few years ago there was a bug that if an alarm was created using Siri, it wouldn’t make a noise at the set time. It would show as a switched on in the clock app, but wouldn’t actually do the one thing it was meant to do.