: Download the firmware file to your computer. It's usually provided in a zip file or a similar archive format.
Copy the firmware file directly to the root directory of the USB (do not put it in a folder). Initiate Update: Power off the TV and unplug it from the outlet. Insert the USB drive into the USB 2.0 port. hktrt2861v09 firmware install
| Method | Requirement | Difficulty | |--------|-------------|-------------| | Web UI | Stock firmware has “Upgrade” page | Easy | | TFTP recovery | Serial/UART access or bootloader prompt | Medium | | Serial + YMODEM | UART + terminal (PuTTY) | Advanced | : Download the firmware file to your computer
: Download the firmware file to your computer. It's usually provided in a zip file or a similar archive format.
Copy the firmware file directly to the root directory of the USB (do not put it in a folder). Initiate Update: Power off the TV and unplug it from the outlet. Insert the USB drive into the USB 2.0 port.
| Method | Requirement | Difficulty | |--------|-------------|-------------| | Web UI | Stock firmware has “Upgrade” page | Easy | | TFTP recovery | Serial/UART access or bootloader prompt | Medium | | Serial + YMODEM | UART + terminal (PuTTY) | Advanced |
