You can set the following steps to cancel the automatic upgrade of the TV system and change it to manual upgrade.

Step 1: Turn on the TV and select Settings on the home page.

Step 2, then select network settings.

Step 3: In the network setting interface, click wired network.

Step 4, set the IP acquisition mode to manual. After this setting, the TV will not automatically connect to the network to download, and the TV will not automatically upgrade unless the system upgrade is manually clicked.

Step 5: Return after completion and click System Upgrade.

Step 6, there is an update status, and a download icon will be displayed. As long as you don't click download, you won't automatically upgrade.