: While rare, updates can sometimes reset settings; back up any critical personal preferences.
A2: No, it's recommended to avoid using your TV during the update process to prevent any potential issues. tcl 55c2us firmware update work
: Do not install firmware from a different region (e.g., using a European Vxxx build on an Australian US model) as it can "brick" the TV or break the tuner. : While rare, updates can sometimes reset settings;