Your television expects a specific file structure and format to read the update file. Use a drive with at least 8 GB of storage space.
: Try a different USB stick. Some older TCL hardware is picky about specific USB 3.0 brands.
Look at the sticker on the back of your TV or check Settings > System > About to find the exact model string (e.g., 55Q650G or 43S455). Downloading the wrong firmware can permanently damage (brick) your television. Step 1: Format the USB Drive
Note: Not all Tcl models support USB updates; verify your model’s service manual.
Before downloading any files, gather the necessary tools and verify your TV details to prevent bricking your device.
This comprehensive guide walks you through the step-by-step process of updating your TCL TV software via USB, covering Roku, Android, and Google TV platforms. Why Use a USB Drive for TCL Software Updates?
Copy the file and paste it directly into the of your USB drive. The root directory means the main folder—do not place the file inside any subfolders or newly created directories. Step 3: Installing the Update on Your TCL TV
Write down the exact string of letters and numbers (e.g., 55S425 or 65Q650G ). 3. Step 2: Format the USB Flash Drive Correctly
Ensure the USB drive is entirely empty. Delete all existing photos, documents, or media files. Step 1: Downloading the Correct TCL Firmware
Download the correct firmware for your specific model. You can often find these by contacting TCL Support or checking their official firmware pages. File Type: OTA (.zip):
Smart TVs rely heavily on their operating systems to stream content smoothly, launch apps quickly, and maintain stable network connections. If your TCL TV is experiencing sluggish performance, frequent app crashes, or network drops, a firmware update is often the best solution.
: Choose Local Update or USB Update and follow the on-screen prompts. 📱 Updating a TCL Smartphone
: Your TV will only recognize the update file if the drive uses the FAT32 file system.
⚠️ Do not unzip or extract the downloaded file unless explicitly instructed by the download page. Most TCL TVs require the file to remain in its compressed .zip or .bin format. Step 3: Copy the File to the USB Drive Open your computer's download folder. Copy the downloaded firmware file.
Roku TVs typically require USB updates only if they have never been connected to the internet. Insert the USB drive into the Roku TV. Press the button on your Roku remote. Select Settings > System > System Update . Choose I can't connect .
TCL runs different operating systems depending on the region and model year. Installing the wrong firmware can permanently damage your TV.
: Copy the firmware file (often a .zip or .bin ) to the root folder of the USB.