To change your email address on an iPhone, the process depends on which account type you're updating. For your Apple ID email: Go to Settings > [Your Name] > Password & Security > Edit next to your email address. You can add a new email and remove the old one. For email accounts (Gmail, Outlook, etc.): Open Settings > Mail > Accounts, select the account you want to change, tap Edit, update the email address field, and save. For iCloud email: You can add an alias through Settings > [Your Name] > iCloud, though you cannot change your primary @icloud.com address itself. If you're changing your primary Apple ID email, Apple will send a verification link to both the old and new addresses—you'll need to verify the new one. After updating your email, you may need to re-enter your password on apps that use that account. Make sure your new email address is accessible and active before removing the old one, as you'll need it for account recovery and signing into services. If you use the account for important services, verify everything still works properly after making changes.