Follow these instructions tochange Yahoo password on iPhone. First, tap the Yahoo Mail app. Tap the menu icon.Next, tap on ‘Manage Accounts’ followed by ‘Account Info.’ Select the option ‘Security Settings’ and enter the security code of your iPhone device. If prompted to select Yahoo account key as the login method, click on ‘Change Password’ and then click on ‘I would rather change my password.’ Enter the new password, tap ‘Continue,’ and your password has been successfully changed.
