Depending on your TV's current state, use one of these methods:

Once you have obtained all parts of the firmware (e.g., part 1, 2, and 3), follow these steps to prepare your USB drive:

: Use a Windows PC to format a USB flash drive to FAT32 .

: If your TV is stuck in a boot loop and cannot access the internal menus, you should contact Toshiba Support with your serial number and main board code to request a specific USB recovery package. 2. USB Update Preparation

: For many 4K models, official firmware updates are hosted on the Dynabook Support site .

To ensure you have the correct file for your specific hardware (board and panel version), it is recommended to use Toshiba's official support channels: