Tcl 55c2us Firmware Update !full! -

Scroll down and select , then click About . Choose System Update . Select Network Update .

While holding the button, turn on the TV (or plug it back in) and continue holding for about 10 seconds until the "upgrading" notification appears. Tcl 55c2us Firmware Update

Important: Before downloading, verify your TV’s (e.g., T658T01). The 55C2US typically uses the Realtek RTD2873 or similar, but double-check. Scroll down and select , then click About

: Ensure the TV is connected to a stable Wi-Fi or Ethernet network. Scroll down and select

Plug the USB flash drive into the of your TCL 55C2US (avoid the USB 3.0 port if your model experiences boot errors with it). Go to Settings > About > System Update . Select Local Update .