To change the language on your phone, you'll need to head into the Settings app - yeah, it's like the control center of your phone! Once you're in, look for the Language & Region or Language and Input section - it might be hiding under a general or advanced tab, so keep an eye out!
Now, this is where things can get a bit interesting. Depending on your phone's operating system, the steps might vary slightly - Android and iOS have different ways of doing things, but don't worry, I've got you covered! Just remember, it's all about finding that language menu and making your selection.