Second, it is not poisoning. It can only be said that it is rogue software, which has a certain impact on the normal use of your mobile phone, but it will not cause security risks to the information and property in your mobile phone.
Third, how to cancel:
1, depending on where the yellow pages appear, usually a browser or an app-like file appears directly on the mobile phone desktop. You can uninstall the desktop directly, and the browser needs to go to Settings-Security Settings-Default Browser Selection.
2. Find out the downloaded software. For example, this problem appears after downloading software A. If software A is of little use to you, it is suggested that uninstalling software A can solve the problem permanently.