Beware of third-party sites offering "unlocked" or "modified" firmware—they can brick your TV. Always use official sources.
Updating to Android 8.0 (e.g., version V568 or similar) provides a modern home screen layout and slightly more responsive menus compared to the original Android 6/7 versions. Tcl 55c2us Firmware Update
: It is often recommended to perform a factory reset after a major firmware jump to ensure system stability. How to update the software on an Android TV - TCL Support Tcl 55c2us Firmware Update
The is a legacy model from approximately 2017–2018, and its firmware update history is a mix of major performance improvements and significant post-update bugs. While newer updates like Android 8.0 (Oreo) refreshed the interface, many users found the experience inconsistent. Firmware Update Review Tcl 55c2us Firmware Update