How to cancel the icon similar to contact (SMS) in the upper left corner of Samsung note4 desktop?

If you mean that mobile phones often pop up push messages/advertisements automatically, I suggest you:

1. Open the notification bar and check whether there is "Clear" in the upper right corner of the notification bar. If yes, please click to clear the information in the notification bar.

2. If you are using Android 4. 1 or above operating system, it is recommended to operate: standby interface-slide down the top curtain of the screen-find an advertisement message and hold it down-it will prompt "Apply"-click to enter, and cancel the check mark before "Show notification".

3. The automatic pop-up advertisement push information may be the push information of downloaded third-party software. It is recommended to disable the information push function through this software setting option.

4. If it is invalid, it may be related to the downloaded software. It is recommended to uninstall and delete the corresponding software.

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