According to your description, if you need to uninstall the mobile phone software, you have the following three ways:
1. Settings-Application Manager-Download-Click on the software to uninstall-Uninstall.
2. Press and hold the Home button (S5 series, click the button of recent application) to enter the task manager-download-click "uninstall".
3. Applications-Menu Button-Uninstall (uninstall/disable applications)-Please click the program with the red "minus sign" icon to try to uninstall the software. If there is no "minus sign" icon, the software does not support uninstallation (some mobile phone built-in software does not support uninstallation).
If you have any comments, suggestions and comments, please click: support.samsung.com.cn/survey.