Everyone have to be very careful while downloading applications in to our personal smart phones. There are few apps which may steal our personal details from our mobile phone. One of such kind is the Facebook ‘Unfriend’ app. This is not an official app of FB. This application can be downloaded free of cost. It gives you a notification when some one unfriend u from the facebook account, but asks for ur username and password.
Experts are warning the users to be aware of such apps. It is better to delete the application and change the passwords.