To update your Hisense TV firmware via USB, you must download the specific file for your model from the Hisense USA Firmware Support page by entering your TV's serial number. For regions outside the USA, you should visit your local Hisense regional site to find the correct download.
To help find the exact file you need, could you share a few details? What is the of your Hisense TV? hisense firmware update usb link
Note the (usually a long alphanumeric string, sometimes labeled as S/N). To update your Hisense TV firmware via USB,
You need a drive with at least 4GB to 8GB of free space. hisense firmware update usb link
