Two smart TVs with similar screen sizes and brand names can have different software and app availability. The model code gives support something more useful than the size, purchase year or name on the remote.
Get the exact model and software
Find the model code on the label or in the television’s information menu. Avoid sharing its serial number. On compatible Samsung menus, Software Update is under Settings and Support. LG menu paths depend on the webOS version and model. Use the manufacturer’s model-specific support page if your menus differ.
Install updates through the television’s normal update screen when available. Do not install firmware for a similar model or change region as a first troubleshooting step. Check whether the device is still eligible for the specific application you need.
Check the store before selecting a package
Ask VUAH which app and store region apply to the television. Compare the app name and developer with the legitimate store listing. If the approved app is unavailable for that model, ask about a separate supported viewing device and verify it before buying anything.
A TV that can browse its app store can still have unstable playback. Try an app you already use, on your normal network and in your normal viewing room. If a second device works in that room, report what is different about the television rather than assuming the router is at fault.
Before you send a support request
Include the model, software version and store region, plus the exact screen where you get stuck. If the app has never appeared, say so. If it appeared but playback fails, name the app version and whether another video app works. Samsung UK software checks · LG UK support.
Find the Samsung and LG device guides