Double-check that the filename matches exactly what the board expects.
Press (or your specific service code) to enter the Factory Menu. Navigate to USB Upgrade or Software Update . Select Yes to confirm.
Copy the installation file (e.g., allinstall.pkg ) directly to the USB. hktrt2861v09 firmware install
Switch on the main power while continuing to hold the button.
Release the button and wait for the progress bar to appear on the screen. Method B: System Menu (For Working TVs) Power on the TV and insert the USB drive. Double-check that the filename matches exactly what the
Once the "Welcome" screen appears, follow the on-screen prompts to set your language and network. ⚠️ Critical Warning
After the progress bar reaches 100%, the TV will typically reboot. Remove the USB drive immediately after the TV turns off. Select Yes to confirm
There are two primary methods to install firmware on this board: the and the Menu Method . Method A: Auto-Boot (Recommended for Dead TVs) Turn off the TV at the main power switch. Insert the USB drive into the USB 1 port.