Record the starting point
Write down the television model, installed software version and the symptom you are investigating. If important picture or sound settings have been adjusted, note them as well. This gives you a useful before-and-after record without claiming an update will necessarily fix a particular stream.
Choose a time when the television can remain powered throughout the process. An update is maintenance, not a useful experiment to start in the middle of an important live event. Make sure anyone else using the equipment knows that a restart may be part of the procedure.
Prefer the television’s online check
LG documents checking and installing software through the Settings menu when the TV is online. Menu labels vary by generation; use the model’s Software Update entry and read the version offered. An automatic-update preference governs future checks and is separate from confirming what is installed now.
Keep the power and network connection available until the TV reports completion. LG warns against unplugging the television or disconnecting it during an update. Wait for its own completion and restart flow rather than interpreting a temporary blank screen as a reason to interrupt it.
Use USB only with an exact package match
LG also documents a computer-and-USB route for a TV without internet access. Use the support page for the complete model number and follow its package and drive-format instructions. Similar retail names or screen sizes do not establish that two televisions accept the same firmware.
A downloaded archive is not a player installer, and the USB port is not a general Android sideloading route. If the model or package identity is uncertain, resolve that before proceeding. Retain the source link and version as a private maintenance note, without publishing the television’s serial number.
Verify what changed
After the TV returns to ordinary operation, check the installed version and reopen the same player and item. Confirm account state, picture and sound rather than assuming that a successful update proves every application works. If the original problem persists, retain the new version in the support record.
Do not roll through several unrelated settings immediately afterwards. A stable comparison helps distinguish a system update effect from a separate app change. An update can improve stability or features, but it does not add a contractual channel entitlement or guarantee availability of an app excluded from the model’s store.