Here's how you can customize the size of the clock on your iPhone's lock screen in a few simple steps. You can also change ...

To change the alarm sound on your Samsung Galaxy S10, you'll have to make a new alarm or edit an old one, and then tap the "Alarm sound" button.

You can't change the snooze time on the iPhone's Clock app, but you can get around it by setting multiple alarms or using third-party apps.