Use a USB port labeled Service or USB 2.0 (avoid USB 3.0 if possible).
If you are looking to update the firmware on your Beston TV, you can usually do so via the system menus or a USB drive. Press the Home or Menu button on your remote. Navigate to Settings > Device Preferences or About . Select System Update or Check for Update . beston tv software update
Some users have reported that updates can take a long time or get stuck if internet speeds are low or if there are specific router configuration issues. Use a USB port labeled Service or USB 2