It doesn’t have to be April Fool’s Day to pull off a good prank. These ideas are designed for those with iPhones and iPads, especially those who keep their devices unlocked so you can mess with the settings.

While setting a reminder or alarm to go off at an odd hour might not be the greatest prank you can pull off, there's a good reason it's at the top of the list: you can do it with almost any iPhone or iPad.

Siri is the voice-activated personal assistant for iOS and is turned on by default, even when the device is on the lock screen. So, your intended victim can have their iPhone protected with a passcode and you can still play a prank on them.

Activate Siri by holding down the side button (or Home button if applicable) and give her a command. A fun prank is to create a series of reminders, such as: