When you receive an error message from AOL on iPhone, it can be irritating. You may need to reset your password in order to log in. Let’s see how to fix AOL mail not working on iPhone. Make sure the application is updated and has the latest version installed. Clear the data and cache. Go to the settings and check everything is compatible. You can also reset the AOL mail on your phone. Select the mail option in the settings. Now, click on delete account.