A few weeks ago, I noticed that I could not add any new alarms on my iPhone. Eventually, I figured out what was going on:

  • Whenever I press any button that launches a time-based radio dial (one of the pop-up context menus that has you choose a time or date), the app crashes.

Attempts to Fix It

  • I thought this was just a problem with the Clock app (I just use the standard iPhone clock), but when I tested other apps that have the datetime radio button, like the transit app I use, the same problem occurred.
  • I don't seem to have any other problems, other than this time-radio-button. No other problems on other apps, and the phone otherwise is working fine.
  • I have tried all of the standard means of trying to fix something while in ignorance:
    • reboot the phone
    • reset all of the settings (that was a pain, but I did it)
    • uninstall and reinstall the offending apps
  • None of those efforts worked, and Google searching, I couldn't even find anyone who had a similar problem.
  • There was even an iOS update recently, and after the update, the problem was still there.

Any ideas on what could be causing the problem and what I might be able to do to fix it?

My iPhone details:

  • iOS version 14.2
  • iPhone Xs (model #: MT9J2QN/A)
  • 256 GB, with 214 GB free

Wow, after struggling for a while, I finally tried something that should have been obvious, and it worked:

  • I changed the time format from 24-hr to 12-hr, and now it is working OK.
  • To be clear, in case anyone else has this problem:
    • Settings ==> General ==> Date & Time ==> Toggle 24-Hour Time off

I do not understand why that worked; I have been using the 24-hr clock since I owned the phone a little over a year ago, and this just started happening a few weeks ago.

Does anyone know where I can report this to Apple? I suspect some auto-update introduced this bug, but I have no idea how to tell this to people who can actually track it.

(Too bad Apple does not use GitHub for anything...)

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