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A tech guide identifies seven free streaming services offering both on-demand libraries and live, cable-like channel surfing, all available as apps on most major smart TV platforms. These services are ad-supported, meaning viewers get content at no cost but must sit through commercial breaks.
Smart TVs running WebOS, Google TV, Fire TV OS or Roku OS use standby mode to install software and app updates in the background rather than forcing users to wait through updates at power-on. OLED TVs specifically rely on standby to run pixel-refresh routines that prevent image retention and burn-in, a process that gets interrupted if the set is shut down or unplugged too soon after use.
An investigation by YouTube channel Gamers Nexus, working with independent security researchers and Level1Techs, found that LG smart TVs scan local Wi-Fi networks to catalog connected devices and nearby network names, even while offline or in standby mode. The TVs also use automatic content recognition to track viewing habits and have microphones capable of capturing and transcribing nearby conversations, with the collected data reportedly funneled to LG's advertising arm.
LG pushed back after GamersNexus published a video alleging that its G5 TVs could be hacked via a man-in-the-middle attack to capture ambient audio and viewing data, even with the microphone switch off. LG stated its TVs only process voice data when the remote's voice button is pressed or a wake word is spoken, and that unrecognized audio is never sent to its servers.
An investigation by Gamers Nexus and Level1Techs, alongside independent security researchers, found LG's smart OLED TVs use Automatic Content Recognition to monitor viewing habits across all input sources and scan connected home networks, sending this data to LG Ad Solutions for targeted advertising. The team also uncovered a security flaw allowing the TVs' built-in microphone to be secretly activated for audio recording even when the set appears off, with stored recordings capable of being transmitted later once reconnected to power and internet.
An investigation by YouTube channels Gamers Nexus and Level1Techs, using packet capture tools and firmware analysis, found that LG TVs including the $2,500 G5 OLED can scan a household's entire local network, detecting phones, smartwatches and other unrelated devices even when those devices are never connected to the TV. Researchers say this behavior is built into the TV's native functionality rather than the result of a security flaw, and can occur even when the TV is turned off.
An analysis breaks down why cheap and expensive smart TVs differ mainly in their system-on-a-chip, which handles video decoding, upscaling, and app performance. Budget TVs often lack AI-assisted upscaling, are capped at 60Hz refresh rates, and tend to run menus and apps more slowly, while pricier models handle 120Hz output and sharper image reconstruction.
An investigation by Gamers Nexus, working with Level1Techs and independent security researchers, found that LG OLED TVs continually scan local Wi-Fi networks for nearby devices, log location and network details, and send this data to LG Ad Solutions. The TVs were also found capable of capturing microphone audio during standby, storing it locally when disconnected from the internet and uploading it once reconnected, alongside using Automatic Content Recognition to identify what owners watch through apps and HDMI inputs.
Philips Hue has released the Play Screen Sync camera, a $119.99 device that mounts above a TV and uses a fisheye lens to read whatever is on screen—including native smart TV apps and live broadcasts—then adjusts connected Hue lights to match. Alongside it, the company introduced a slimmer $149.99 Play HDMI Sync Box 4K with a single HDMI input and output, supporting 4K at 60fps.
Most smart TVs ship with limited internal storage that quickly fills up due to app caches, temporary files, and manufacturer-installed bloatware that can be difficult or impossible to remove. Users can clear app cache through settings for temporary relief or uninstall unused apps, though bloatware removal is often restricted by manufacturers. An alternative workaround is attaching an external streaming device like a Fire TV Stick, Roku, or Google TV Streamer, which brings its own storage and app ecosystem independent of the TV's built-in memory.