LG 55EA8800 Owner's Manual page 54

Updating the TV Firmware
SMART Settings SUPPORT
By default, the TV will notify you of new software updates.
You can use the Software Update menu to manually check for available updates.
Software Update
Automatic Update Mode
Check Update Version
Software Update
Set it to On.
When an updated file is detected, the file is downloaded automatically.
If an update is available, the update automatically starts without prompting.
Checks the latest update version installed.
When a new update is available, the download process can be performed manually.