While menus vary slightly by manufacturer (like Samsung or Google Pixel), the general steps are consistent across most Android devices.
This is best if you want to see everyone you have ever blocked in one place. Open the Settings App on your iPhone. Scroll down and tap . how to unblock a caller
Apple makes it easy to manage your blocked list through the Settings menu. You can unblock someone via the Phone app, FaceTime, or Messages. The most reliable method is through the main Phone settings. While menus vary slightly by manufacturer (like Samsung