How to turn off the mobile SMS of handheld TV?

Generally, it is a reminder that the viewing service is about to expire. After you go in and read it, the short message symbol will disappear automatically.

Turn on the TV, use the remote control, and press the "mail" button of the remote control. 2. You can see an email after opening it. You can click Open to see what it is. 4. After reading it, do as required. F 1 means to delete the current mail, and F2 means to delete all mail, which can be deleted according to personal circumstances. As long as you read the mail, the envelope will no longer be displayed on the screen.