Access and edit your device list.
Manufacturer: LG
Category: pre-selected as 'Connected devices'
Model: Open your LG TV Settings > General > TV Information > Model
You see something like this image:
Model Release Date: Check this page to decode your LG TV serial number.
Operating System: webOS
All LG Smart TVs run on webOS.
OS version: Open your LG TV Settings > General > TV Information > webOS TV Version
You see something like this image:
OS Release Date: Check this page for your webOS version release date
For example, if your device has 3.0.0 webOS version, you can mark the OS Release Date 1st of January 2016
An example of how the final device adding screen would look:
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