I have a 55uj670v smart TV with webOS 3.8 installed.
I'm trying to get my Alexa system to work with the TV as a skill, but I need webOS 4.0 or higher, and my TV won't install any newer than 3.8 (it says my TV is up to date).
Can I install 4.0 or higher, or is that the end of my TVs upgradable...