We keep getting these unsolicited messages on screen in the form of quizzes and tips. If you press the OK button, you get charged for it so you have to press the "Back" or the "Cut" button. We have two vodafone post paid cell connections and we are registered on the "Do Not Disturb Registry of india". These unsolicited messages which appear on the screen cause the following probles: 1) They are unsolicited; 2) If you press "OK" by mistake you get charged for it; 3) You have to press "Back" or... read full review »