LG webOS Device Compatibility

Using DisplayHUB with LG webOS TVs

DisplayHUB works directly with LG smart TVs running webOS, allowing you to stream live video and control playback without needing an external streaming device. This makes deployment simple — but performance and functionality depend on both the TV hardware and system settings.

Unlike external streaming boxes, the media player and system resources are built into the television. That means decoding performance, audio processing, and network stability all rely on the TV’s internal processor and software version.

This guide explains what to expect, how to configure your TV correctly, and how to get the most reliable performance and control.

Step 2: Enable App Control & Network Settings

For DisplayHUB to communicate with your LG TV, remote control access must be enabled in the webOS settings. Without it, the controller cannot send commands or manage playback.

You must enable mobile / app control before connecting the TV. On most LG webOS TVs:

• Open Settings → General (or Connection)
• Open Devices / External Devices or Network
• Enable LG Connect Apps and Mobile TV On

The exact wording varies by webOS version, but these settings allow external devices like DisplayHUB to control the TV over the network. When first connecting, the TV may display a permission prompt — accept it to allow control.

Just as important: webOS TVs power down their network chip in standby unless you tell them not to. The settings below keep the TV reachable so streaming reconnects automatically and the Power On button can wake it.

Required TV Settings for Reliable Operation

• QuickStart+ (2021 & older): Settings → General → QuickStart+ → Enable
• Always Ready (2022+): Settings → General → Always Ready → Enable
• Mobile TV On (Wake-on-LAN): Settings → General → Mobile TV On → Turn on via Wi-Fi → Enable
• LG Connect Apps: Settings → Network → LG Connect Apps → Enable
• Auto Power Off: Settings → General → Energy Saving → Auto Power Off → Disable or increase

Step 3: Power, Volume & Remote Control

DisplayHUB controls your LG TV directly over the network — power, volume, mute, and source/channel switching — using webOS’s built-in control service. No IR blaster or external hardware is required.

Power Off / Sleep: Works any time the TV is on. DisplayHUB sends a turn-off command over the network.

Power On (Wake): Uses Wake-on-LAN. The TV can only be woken over the network if it keeps its network alive in standby, so Mobile TV On must be enabled along with QuickStart+ / Always Ready (see Step 2). Wake-on-LAN works over both wired Ethernet and Wi-Fi on supported models. Keep the TV plugged in — deep energy-saving modes can disable the network chip and prevent remote wake. If Power On is unreliable, a wired Ethernet connection is the most dependable.

Volume & Mute: Use the TV’s native volume and mute, so on-screen feedback matches the physical remote.

First connection: webOS shows a pairing prompt the first time DisplayHUB connects. Accept it once and the controller is remembered for future commands.

Why TV Hardware Matters for Low-Latency Streaming

Standard streaming apps like Netflix or YouTube use large playback buffers — often 30 seconds or more. This hides processing delays and network variation.

Low-latency streaming works differently. DisplayHUB keeps the buffer extremely small to minimize delay. That means your TV must decode video and process audio in near real-time.

Newer LG TVs with faster processors handle this easily. Older or entry-level models may show occasional audio dropouts, buffering, or delayed playback — especially when running for long periods.

Because televisions are not designed specifically for ultra-low-latency streaming, performance can vary significantly by model year.