Is your iPhone alarm not going off? 6 potential fixes that worked for me

I started noticing something very annoying at the beginning of the year: I'd set my iPhone alarm for 7 a.m., only to sleep right through it. At first I assumed it was my mistake -- maybe I'd accidentally left the ringer volume all the way down. But after double-checking that, even switching off vibrate and cranking the volume all the way up overnight, the problem persisted. Somewhere between frustration and desperation, I installed a third-party alarm app to try and even asked my partner to set a backup alarm on his phone. Also: How to clear your iPhone cache (and why it greatly improves performance) I was at a loss as to what was happening, so I decided to Google the issue. I found that Apple acknowledged an alarm problem back in April 2024 and that a fix was in the works. But this was over a year ago. In January, several reports claimed the issue was still happening. I consider myself an iPhone power user, so I kept thinking I could figure out what's wrong myself -- or at the very least, I hoped the fluke would resolve itself. But now, well into August, I'm turning to Reddit threads and Apple Support discussions for tech support. Every community seems to have its favorite solutions -- some simple, some nuclear. Here are all the ones I plan to try. Since the silent iPhone alarm bug appears to be intermittent, I've decided to try one solution at a time to see which actually does the trick. If you're in the same boat, here are all the troubleshooting tips I've found that will ...