To update your Hisense TV firmware via USB, you must download the specific file for your model from the Hisense Support website, transfer it to a drive, and trigger the installation using the TV's standby button . 🛠️ Step 1: Prepare Your USB Drive
https://hisense-usa.com/firmware/55H8G_Firmware_USB_V0000.01.00A.zip hisense firmware update usb link