How to set shortcut keys at the bottom of the screen for Samsung 9 158p mobile phone?

First, the shortcut icon at the bottom of the screen can be replaced (but the application icon is fixed). If the shortcut at the bottom of the screen has no SMS or contact icon, please:

Take SMS as an example: standby interface-application-click the menu button (the button on the left of the HOME button)-edit-then find the SMS icon-click the icon and drag it to the shortcut bar at the bottom of the screen.

Note: If you can't move it, there may be too many shortcut icons at the bottom of the homepage. It is recommended to move unnecessary icons such as browsers to the above applications.

Samsung official website has produced an illustrated functional course for this kind of problem. Please refer to:

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2. If the contact and record icons are displayed in the standby interface, if it is necessary to cancel, please press and hold the icon to be deleted, and the trash can icon will appear. Just move the icon to the trash can.

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