: Updates are often performed using the TCL Mobile Upgrade tool or Smart Assistant software on a computer while the phone is connected via USB.
Ensure the USB drive is formatted to FAT32. Large drives (over 32GB) sometimes default to exFAT on Windows; use a smaller drive or a third-party partitioning tool to force a FAT32 format.
Delete the file, download it again, and check that the file size matches the website. Incompatible USB port Tcl Software Update Usb
: Try a different USB stick. Some older TCL hardware is picky about specific USB 3.0 brands.
This is the hardest step.
Updating your TCL TV via USB is a reliable way to install the latest firmware when an over-the-air (OTA) update fails or is unavailable. This process typically involves downloading a specific firmware file, preparing a FAT32-formatted USB drive, and using a hidden physical button method on the TV to trigger the installation . Phase 1: Preparation of the USB Drive
TCL manufactures TVs running different operating systems, primarily or Roku TV . The update files and menu layouts differ significantly between these platforms. How to Find Your Model Number : Updates are often performed using the TCL
Turn off your television completely and unplug the power cord from the wall outlet.