if my device is already set up and i now want to move from android
Moving data from Android to IOS
iPhone 12 Pro, iOS 16
Question marked as
Here are two support articles related to what you want to do. The second one may be more along the lines of moving things to a set up iPhone.
Move from Android to iPhone, iPad, or iPod touch - Apple Support
Move content manually from your Android device to your iPhone, iPad, or iPod touch - Apple Support