If your TV isn't finding an update over the air, you can use a USB drive. Format a USB flash drive (at least 4GB) to .
Never flash a firmware intended for a different hardware revision (e.g., R851T01 or R851T03). The TCL 50EP660 uses . Firmware TCL 50EP660
Before searching for files online, check your current build. Go to > Device Preferences > About > Contact Us . This screen displays your current "Software Version," which helps you verify if the version you found online is actually newer than what you have. If your TV isn't finding an update over
TCL and Roku regularly release firmware updates to improve performance, add new features, and fix bugs. Some notable updates include: The TCL 50EP660 uses
Before downloading any files, you must confirm your TV’s version. Installing firmware for the wrong chassis can cause permanent damage to the motherboard.