Answers Informer doesn't require you to attach a mobile phone. If you want to change the mobile phone, then you've probably registered on another website. To change details about your account, access the Account page while you are logged in. Locate the Avatar section, then press on Browse. Select the picture you want and then accept the changes. Your new image should be displayed immediately. In case it doesn't, press CTRL+F5. Click on Save Profile again, and that's it.