If you cannot find the exact model-specific .rar file, you can often use a universal list for Toshiba Smart TVs or create your own using the following methods:
Use PC software like SetEditZL1 to arrange the channels on your computer, then import them back to the TV.
: If a pre-made file isn't available, the most reliable way to get all current 4K and HD channels is to perform a fresh scan: Go to Settings > Channel Setup > Auto Tuning .