: Never power off or unplug the TV during the installation process, as this can permanently damage the hardware.
If you are looking for a multi-part .rar file, these are typically hosted on community forums or unofficial tech blogs.
You can update either through the TV menu or via a "forced" boot method: Insert the USB drive into the USB 2.0 slot. Navigate to Settings > About > System Update . Download T658T01 LF1V551 Update part2 rar
: Save this .zip file directly to the root of a FAT32 formatted USB drive. Installation Instructions
: Only use this software if your current TV version is V5XX . If your version is V1XX , do not update using this file and contact manufacturer support instead. : Never power off or unplug the TV
Release the button once the power LED begins to blink or the "Downloading" screen appears.
Once verified, click to restart and begin the upgrade (takes 7–10 minutes). Option 2: Forced Update (Boot Method) Unplug the TV's power cord. Hold the physical power button on the TV (not the remote). Navigate to Settings > About > System Update
The update (often identified as V8-T658T01-LF1V551 ) is a firmware version for TCL Android TVs (such as the 55C2US or U55C7006) running Android 8.0. Download and Preparation