This is a "brick." Unplug the TV from the wall for 5 minutes. Plug back in. If the screen remains black, you need professional service. Some users have recovered using the Emergency USB Recovery (hold the power button on the TV itself—not the remote—while plugging in a USB with the firmware).
This is the best solution. Buy an , Roku Streaming Stick 4K , or Apple TV 4K . These devices cost less than $50 and offer features far beyond webOS 4.0, including: update webos 3.9 to 4.0
Unlike a Windows PC or an Android smartphone, where operating system updates are frequently pushed to older hardware, Smart TV operating systems are deeply integrated with the specific hardware internals of the television set. This is a "brick
. If a version is available, follow the prompts to download and install. Recommended Solutions Some users have recovered using the Emergency USB
Before we dive into the "how-to," it is critical to understand what you are moving from and to .