Many people use their smartphone all the time, so one of the best ways to mess with them on April Fools' Day is to mess with their smartphone.
There are plenty of ways to do this, including changing the language settings and creating new autocorrect shortcuts, but the easiest way is by changing up their contacts.
Find your number in your friend's phone and change it to mom, their ex-boyfriend's name, or someone famous, and have fun torturing them with texts all day long.
More April Fool Pranks
Food pranks are among the best because they're easy to implement, and they generally get a big reaction, especially when someone gets something they don't expect.
Place 3.500 cups of water in your friends house
When away on April Fools' Day, his roommate thought it was the perfect time for a great prank. He placed 3.500 plastic cups of water all around the house.
Insects in the lamp!
This one can really scare the crap out of someone! All you need is a pair of scissors and some paper. You'll need some skills as it isn't easy to cut out some insects!